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| bigdata-doris | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-doris |
| bigdata-doris | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-doris |
| bigdata-druid | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-druid |
| bigdata-druid | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-druid |
| bigdata-flink | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-flink |
| bigdata-flink | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-flink |
| bigdata-hadoop | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-hadoop |
| bigdata-hadoop | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-hadoop |
| bigdata-hbase | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-hbase |
| bigdata-hbase | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-hbase |
| bigdata-hive | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-hive |
| bigdata-hive | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-hive |
| bigdata-info | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-info |
| bigdata-info | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-info |
| bigdata-kafka | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-kafka |
| bigdata-kafka | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-kafka |
| bigdata-project | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-project |
| bigdata-project | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-project |
| bigdata-spark-sql | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-spark-sql |
| bigdata-spark-sql | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-spark-sql |
| bigdata-spark-streaming | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-spark-streaming |
| bigdata-spark-streaming | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-spark-streaming |
| bigdata-springboot | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-springboot |
| bigdata-springboot | https://github.com/lingithublearn/Bigdata/tree/master/bigdata-springboot |
| spark-core | https://github.com/lingithublearn/Bigdata/tree/master/spark-core |
| spark-core | https://github.com/lingithublearn/Bigdata/tree/master/spark-core |
| spark-graphx | https://github.com/lingithublearn/Bigdata/tree/master/spark-graphx |
| spark-graphx | https://github.com/lingithublearn/Bigdata/tree/master/spark-graphx |
| spark-mllib | https://github.com/lingithublearn/Bigdata/tree/master/spark-mllib |
| spark-mllib | https://github.com/lingithublearn/Bigdata/tree/master/spark-mllib |
| .gitignore | https://github.com/lingithublearn/Bigdata/blob/master/.gitignore |
| .gitignore | https://github.com/lingithublearn/Bigdata/blob/master/.gitignore |
| README.md | https://github.com/lingithublearn/Bigdata/blob/master/README.md |
| README.md | https://github.com/lingithublearn/Bigdata/blob/master/README.md |
| pom.xml | https://github.com/lingithublearn/Bigdata/blob/master/pom.xml |
| pom.xml | https://github.com/lingithublearn/Bigdata/blob/master/pom.xml |
| README | https://github.com/lingithublearn/Bigdata |
| https://github.com/lingithublearn/Bigdata#大数据技术之路 |
| https://github.com/lingithublearn/Bigdata#1hadoop |
| Hadoop | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-hadoop |
| MapReduce | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-hadoop/src/main/java/com/libin/doc/mapreduce/README.md |
| HDFS | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-hadoop/src/main/java/com/libin/doc/hdfs/README.md |
| YARN | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-hadoop/src/main/java/com/libin/doc/yarn/README.md |
| https://github.com/lingithublearn/Bigdata#2spark |
| Spark | https://github.com/lingithublearn/Bigdata/blob/master/spark-core |
| Spark-Core | https://github.com/lingithublearn/Bigdata/blob/master/spark-core |
| Spark-Streaming | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-spark-streaming |
| Spark-Sql | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-spark-sql |
| Spark-GraphX | https://github.com/lingithublearn/Bigdata/blob/master/spark-graphx |
| Spark-MLlib | https://github.com/lingithublearn/Bigdata/blob/master/spark-mllib |
| https://github.com/lingithublearn/Bigdata#3flink |
| Flink | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-flink |
| Flink DataStream | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-flink/src/main/docs/module/dataStream.md |
| Flink Table API & SQL | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-flink/src/main/docs/module/tableAndSql.md |
| Flink CEP | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-flink/src/main/docs/module/cep.md |
| Flink DataSet | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-flink/src/main/docs/module/dataSet.md |
| Flink ML | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-flink/src/main/docs/module/ml.md |
| Flink Gelly | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-flink/src/main/docs/module/gelly.md |
| https://github.com/lingithublearn/Bigdata#4大数据生态圈一些其它技术框架 |
| Hive | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-hive/README.md |
| HBase | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-hbase/README.md |
| Kafka | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-kafka/README.md |
| Doris | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-doris/README.md |
| Kudu | https://github.com/lingithublearn/Bigdata/blob/master |
| Parquet | https://github.com/lingithublearn/Bigdata/blob/master |
| Kylin | https://github.com/lingithublearn/Bigdata/blob/master |
| Superset | https://github.com/lingithublearn/Bigdata/blob/master |
| Druid | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-druid/README.md |
| Talos | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-info/src/main/java/com/libin/talos/README.md |
| Pegasus | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-info/src/main/java/com/libin/pegasus/README.md |
| Griffin | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-info/src/main/java/com/libin/griffin/README.md |
| ElasticSearch | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-info/src/main/java/com/libin/elasticsearch/README.md |
| Oozie | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-info/src/main/java/com/libin/oozie/README.md |
| Redis | https://github.com/lingithublearn/Bigdata/blob/master |
| MySQL | https://github.com/lingithublearn/Bigdata/blob/master |
| SpringBoot | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-springboot/README.md |
| Vue | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-info/src/main/java/com/libin/vue/README.md |
| https://github.com/lingithublearn/Bigdata#5大数据相关技能前奏 |
| Scala | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-info/src/main/java/com/libin/scala/README.md |
| Java | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-info/src/main/java/com/libin/java/README.md |
| SQL | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-info/src/main/java/com/libin/sql/README.md |
| Maven | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/bigdata/maven.md |
| Git | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/bigdata/git.md |
| Linux Shell | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/bigdata/linux.md |
| 大数据算法 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/bigdata/%E5%A4%A7%E6%95%B0%E6%8D%AE%E7%AE%97%E6%B3%95.md |
| 大数据相关计算机理论知识 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/bigdata/%E5%A4%A7%E6%95%B0%E6%8D%AE%E7%9B%B8%E5%85%B3%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%90%86%E8%AE%BA%E7%9F%A5%E8%AF%86.md |
| 大数据产品技能 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/bigdata/%E5%A4%A7%E6%95%B0%E6%8D%AE%E4%BA%A7%E5%93%81%E6%8A%80%E8%83%BD.md |
| 大数据应用场景 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/bigdata/%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%BA%94%E7%94%A8%E5%9C%BA%E6%99%AF.md |
| 大数据相关硬件知识 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/bigdata/%E5%A4%A7%E6%95%B0%E6%8D%AE%E7%9B%B8%E5%85%B3%E7%A1%AC%E4%BB%B6%E7%9F%A5%E8%AF%86.md |
| 大数据平台相关知识 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/bigdata/%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%B9%B3%E5%8F%B0%E7%9B%B8%E5%85%B3%E7%9F%A5%E8%AF%86.md |
| https://github.com/lingithublearn/Bigdata#6大数据一些相关项目 |
| 用户画像 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/java/userProfile/readme.md |
| Id-Mapping | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/java/idmapping/readme.md |
| 离线数仓 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/java/dataWarehouse/readme.md |
| 实时数仓 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/java/realTimeWarehouse/readme.md |
| 特征系统 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/java/featureEngineering/readme.md |
| 数据报告 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/java/dataReport/readme.md |
| 精准运营 | https://github.com/lingithublearn/Bigdata/blob/master |
| 实时监控 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/java/realTimeMonitor/README.md |
| https://github.com/lingithublearn/Bigdata#7数据相关知识点 |
| 1、数据仓库 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/1.%E6%95%B0%E6%8D%AE%E4%BB%93%E5%BA%93.md |
| 2、数据中台 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/2.%E6%95%B0%E6%8D%AE%E4%B8%AD%E5%8F%B0.md |
| 3、数据建模 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/3.%E6%95%B0%E6%8D%AE%E5%BB%BA%E6%A8%A1.md |
| 4、数据监控 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/4.%E6%95%B0%E6%8D%AE%E7%9B%91%E6%8E%A7.md |
| 5、数据治理 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/5.%E6%95%B0%E6%8D%AE%E6%B2%BB%E7%90%86.md |
| 6、数据质量 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/6.%E6%95%B0%E6%8D%AE%E8%B4%A8%E9%87%8F.md |
| 7、数据血缘 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/7.%E6%95%B0%E6%8D%AE%E8%A1%80%E7%BC%98.md |
| 8、数据计算 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/8.%E6%95%B0%E6%8D%AE%E8%AE%A1%E7%AE%97.md |
| 9、数据存储 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/9.%E6%95%B0%E6%8D%AE%E5%AD%98%E5%82%A8.md |
| 数据收集 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/%E6%95%B0%E6%8D%AE%E6%94%B6%E9%9B%86.md |
| 数据压缩 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/%E6%95%B0%E6%8D%AE%E5%8E%8B%E7%BC%A9.md |
| 数据加解密 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/%E6%95%B0%E6%8D%AE%E5%8A%A0%E8%A7%A3%E5%AF%86.md |
| 数据产生 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/%E6%95%B0%E6%8D%AE%E4%BA%A7%E7%94%9F.md |
| 数据延迟 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/%E6%95%B0%E6%8D%AE%E5%BB%B6%E8%BF%9F.md |
| 数据可视化 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/%E6%95%B0%E6%8D%AE%E5%8F%AF%E8%A7%86%E5%8C%96.md |
| 数据字典 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/%E6%95%B0%E6%8D%AE%E5%AD%97%E5%85%B8.md |
| 数据分析 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90.md |
| 数据集市 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/data/%E6%95%B0%E6%8D%AE%E9%9B%86%E5%B8%82.md |
| https://github.com/lingithublearn/Bigdata#8大数据学习相关资料 |
| https://github.com/lingithublearn/Bigdata#81大数据学习网站 |
| Apache官网 | http://www.apache.org/ |
| DataFunTalk知乎 | https://www.zhihu.com/org/datafuntalk/posts |
| 美团大数据 | https://tech.meituan.com/tags/%E5%A4%A7%E6%95%B0%E6%8D%AE.html |
| InfoQ大数据 | https://www.infoq.cn/topic/bigdata |
| https://github.com/lingithublearn/Bigdata#82大数据学习书籍 |
| Hadoop权威指南 | https://github.com/lingithublearn/Bigdata/blob/master |
| Hadoop技术内幕（3本） | https://github.com/lingithublearn/Bigdata/blob/master |
| Hadoop实战 | https://github.com/lingithublearn/Bigdata/blob/master |
| Hive编程指南 | https://github.com/lingithublearn/Bigdata/blob/master |
| HBase权威指南 | https://github.com/lingithublearn/Bigdata/blob/master |
| Spark快速大数据分析 | https://github.com/lingithublearn/Bigdata/blob/master |
| Spark技术内幕 | https://github.com/lingithublearn/Bigdata/blob/master |
| https://github.com/lingithublearn/Bigdata#83大数据论文 |
| The Google File System (HDFS) | https://github.com/lingithublearn/Bigdata/blob/master |
| BigTable (HBase) | https://github.com/lingithublearn/Bigdata/blob/master |
| MapReduce | https://github.com/lingithublearn/Bigdata/blob/master |
| Spark | https://github.com/lingithublearn/Bigdata/blob/master |
| https://github.com/lingithublearn/Bigdata#84学习网址收藏 |
| Apache 官网地址 | https://www.apache.org/ |
| Hadoop 官网地址 | http://hadoop.apache.org/ |
| Spark 官网地址 | http://spark.apache.org/ |
| Flink 官网地址 | http://flink.apache.org/ |
| Doris GitHub地址 | https://github.com/apache/incubator-doris/wiki |
| Doris 官网地址 | http://doris.apache.org/master/zh-CN/ |
| https://github.com/lingithublearn/Bigdata#9必会知识点 |
| 9.1、Spark Core | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 1）、Spark作业提交流程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 2）、Spark的内存模型？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 3）、SparkContext创建流程？源码级别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 4）、简述Spark个版本区别？1.x与2.x？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 5）、使用Spark中遇到过哪些问题？如何解决的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 6）、Spark的Shuffle过程？ 和MR Shuffle区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 7）、Spark中的数据倾斜问题有啥好的解决方案？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 8）、Spark有哪些聚合类的算子，我们应该怎么避免使用这些算子？ReduceByKey和GroupByKey的区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 9）、Spark On Yarn作业执行流程？yarn-client和yarn-cluster的区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 10）、Spark中Job、Task、RDD、DAG、Stage的理解？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 11）、Spark中RDD如何通过记录更新的方式容错？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 12）、Spark常用调优方法？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 13）、Spark中宽依赖和窄依赖如何理解？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 14）、Spark中Job和Task如何理解？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 15）、Spark中Transformation和action区别是什么？列举出常用的方法？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 16）、Spark中persist()和cache()的区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 17）、Spark中map和mapPartitions的区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 18）、Spark中Worker和Executor的异同？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 19）、Spark中提供的2中共享变量是啥？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 20）、菲波那切数列可以用Spark做出来么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 21）、看过哪些Spark源码？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 22）、Spark通信机制？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 23）、Spark的存储级别有哪些？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 24）、Spark序列化模式有哪些？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 25）、Spark使用到的安全协议有哪些？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 26）、Spark部署模式有哪些？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 27）、Spark的cache后能不能接其它算子？是不是action操作? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 28）、Spark中reduceByKey是action算子不？reduec呢? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 29）、Spark中数据本地性是哪个阶段确定的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 30）、Spark中RDD的弹性提现在哪里？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 31）、Spark中容错机制？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 32）、Spark中RDD的缺陷？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 33）、Spark中有哪些聚合类的算子？应该避免什么类型的算子? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 34）、Spark中并行度怎么设置比较合理一些？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 35）、Spark中数据的位置由谁来管理？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 36）、Spark中数据本地性有哪几种？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 37）、Spark如何处理不被序列化的数据？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 38）、Spark中collect功能是啥？其底层是如何实现的? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 39）、Spark作业在没有获得足够资源就开始启动了,可能会导致什么问题？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 40）、Spark中map和flatmap有啥区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 41）、介绍一下join操作优化经验？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 42）、Spark有哪些组件？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 43）、Spark的工作机制？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 44）、Spark中的宽窄依赖？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 45）、Spark如何划分stage？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 46）、spark-submit时候如何引用外部的jar包？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 47）、Spark中RDD有哪些特性？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 48）、Spark的一个工作流程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 49）、Spark on yarn与standalone区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 50）、Spark优化之内存管理？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 51）、Spark优化之广播变量？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 52）、Spark优化之数据本地性？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 53）、Spark中task有几种类型？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 54）、Spark中基本概念？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 55）、Spark中的ShuffleManager？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 56）、Spark中Shuffle时候数据一定会落磁盘么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 57）、Spark和MR中Shuffle不同？Spark的优势? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 58）、Spark如何做checkpoint? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 59）、Spark比MR速度快的原因? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 60）、Spark distinct去重原理? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 61）、Spark cache和checkpoint区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 62）、Spark Core和Spark SQL区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 63）、Spark和MapReduce区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 64）、Spark不同版本区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkcore.md |
| 9.2、Spark SQL | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparksql.md |
| 1）、Spark SQL和Hive区别？Spark SQL一定比Hive快么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparksql.md |
| 2）、Spark SQL有使用过么？在哪些项目中使用过？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparksql.md |
| 3）、Spark SQL中UDF使用？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparksql.md |
| 4）、SparkSession、SparkContext和SQLContext区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparksql.md |
| 5）、Spark SQL用过哪些算子？遇到哪些问题？如何解决的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparksql.md |
| 6）、Spark SQL程序调优？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparksql.md |
| 7）、Spark SQL运行原理？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparksql.md |
| 8）、Spark SQL适用的场景,Spark Core不适合的? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparksql.md |
| 9）、Spark SQL2.0和3.0区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparksql.md |
| 10）、Spark SQL的DataFrame和RDD有啥区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparksql.md |
| 9.3、Spark Streaming | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 1）、Spark Streaming如何保证数据仅且消费一次？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 2）、Spark Streaming中DataFrame和DataSet区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 3）、Spark Streaming如何做checkPoint检查点？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 4）、Spark Streaming如何设置batch大小？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 5）、Spark Streaming程序消费过慢如何解决？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 6）、统计实时流中某一单词出现的总个数（eg：比如一天某商品被点击的PV）？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 7）、Spark Streaming工作流程是怎样的？和Storm以及Flink有什么区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 8）、Spark Streaming输出小文件问题？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 9）、Spark Streaming中foreachRDD如何使用？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 10）、Spark Streaming的启动时序图？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 11）、Spark Streaming程序调优？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 12）、Spark Streaming窗口大小？每个窗口处理的数据量？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 13）、Spark Streaming中updateStateByKey和mapWithState的区别与使用？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 14）、Spark Streaming面对高峰数据如何处理？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 15）、Spark Streaming反压机制？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 16）、Spark Streaming如何实现ExactlyOnce？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sparkstreaming.md |
| 9.4、Flink Streaming | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 1）、Flink如何保证数据仅且消费一次？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 2）、Flink如何做checkPoint检查点？分布式快照原理是啥? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 3）、Flink程序消费过慢如何解决？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 4）、统计实时流中某一单词出现的总个数（eg：比如一天某商品被点击的PV）？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-flink/src/main/scala/com/libin/data/flink/streaming/etl/GenCodeFromState.scala |
| 5）、Flink中时间有几种？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 6）、Flink中窗口有几种？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 7）、Flink中state如何理解？状态机制? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 8）、Flink中Operator是啥？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 9）、Flink中StreamExecutionEnvironment初始化流程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 10）、用过DataStream里面的哪些方法？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 11）、Flink程序调优？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 12）、Flink如何解决数据乱序问题？Watermark使用过么?EventTime+Watermark可否解决数据乱序问题? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 13）、Flink的checkpoint存储有哪些(状态存储)？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 14）、Flink如何实现exactly-once？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 15）、海量key去重,双十一场景,滑动窗口长度为1小时,滑动距离为10s,亿级别用户,如何计算UV？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 16）、Flink的checkpoint和spark streaming比较？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 17）、Flink CEP编程中当状态没有达到时候,数据会保存在哪里？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 18）、3种时间语义？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 19）、Flink面对高峰数据如何处理？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 20）、Flink程序运行慢如何优化处理？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 21）、Flink程序延迟高如何解决？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 22）、Flink如何做容错？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 23）、Flink有没有重启策略？说说有哪几种? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 24）、Flink分布式快照原理是什么? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 25）、Flink的Kafka连接器有什么特别的地方? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 26）、Flink的内存管理? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 27）、Flink序列化都有哪些?怎么实现的? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 28）、Flink的window出现了数据倾斜,如何解决? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 29）、Flink在使用聚合函数GroupBy、KeyBy、Distinct等函数出现数据热点如何解决? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 30）、Flink如何处理反压?和spark streaming和storm区别有了解么? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 31）、Flink的Operator Chains算子链了解么? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 32）、Flink什么时候会把Operator Chain在一起行程算子链? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 33）、Flink1.7特性?Flink1.9特性 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 34）、Flink组件栈有哪些? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 35）、Flink运行需要依赖哪些组件?必须依赖Hadoop么? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 36）、Flink基础编程模型? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 37）、Flink集群有哪些角色?各有什么作用? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 38）、Flink中Task Slot概念?Slot和parallelism区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 39）、Flink中常用算子有哪些? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 40）、Flink分区策略? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 41）、Flink并行度如何设置? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 42）、Flink分布式缓存用过没?如何使用? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 43）、Flink广播变量,使用时候需要注意什么? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 44）、Flink Table&SQL熟悉不?TableEnvironment这个类有什么作用? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 45）、Flink SQL实现原理是什么?如何实现SQL的解析? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 46）、Flink如何支持流批一体的? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 47）、Flink如何支如何做到高效的数据转换? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 48）、Flink如何做内存管理? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 49）、Flink Job提交流程? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 50）、Flink的三层图结构是哪几个图? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 51）、Flink中JobManager在集群中扮演的角色? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 52）、Flink中JobManager在集群启动中扮演的角色? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 53）、Flink中TaskManager在集群中扮演的角色? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 54）、Flink中TaskManager在集群启动时候扮演的角色? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 55）、Flink计算资源的调度是如何实现的? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 56）、简述Flink的数据抽象以及数据交换过程? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 57）、FlinkSQL的实现原理? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 58）、Flink压测和监控? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 59）、有了Spark为啥还要用Flink? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 60）、Flink的应用架构有哪些? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 61）、Flink Barrier对齐? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 62）、Flink slot和cpu core区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 63）、JobGraph生成? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 64）、Flink和SparkStreaming区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 65）、Flink中什么场景会用到state? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 66）、Flink如何快速定位问题? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 67）、Flink中watermark 机制? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 68）、Flink集群有哪些角色？各自有什么作用？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 69）、Flink中多流Join? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 70）、Flink中两阶段提交? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 71）、Flink中多流checkpoint? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 72）、Flink中多流合并反压? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 73）、Flink中多流Join，数据延迟? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 74）、Flink中checkpoint存的数据是什么? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 75）、Flink中checkpoint和savepoint区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 76）、Flink中join类型? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 77）、Flink与SparkStreaming的优缺点?适用的场景? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 78）、Flink背压如何实现? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 79）、Flink如何取消state?1.7版本如如何取消? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 80）、Flink如何实现自定义sink? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 81）、Flink分布式缓存? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 82）、Flink计数器? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 86）、Flink SQL解析方式? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 87)、Flink Window的分组？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 88)、Flink Window 的生命周期？清除？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 89)、Flink Window 的触发器？以及内置自定义触发器？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 90)、Flink Window 的窗口函数？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 91)、Flink Window 的驱逐器Evictors？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 92)、Flink Window 允许时延？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkstreaming.md |
| 9.5、Flink Batch | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkbatch.md |
| 1）、Flink中ExecutionEnvironment初始化流程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkbatch.md |
| 2）、用过DataSet里面的哪些方法？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/flinkbatch.md |
| 9.6、Hive | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 1）、简述Hive主要结构？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 2）、Hive解析成MapReduce过程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 3）、Hive与传统数据库的区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 4）、Hive内部表和外部表区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 5）、Hive中order by、sort by、distribute by和cluster by的区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 6）、Hive中row_number()、rank()和dense_rank()区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 7）、Hive中常用的系统函数有哪些？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 8）、Hive使用过udf函数么？如何使用的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 9）、Hive如何实现分区？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 10）、Hive导入和导出数据的方式？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 11）、Hive窗口函数有哪些? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 12）、Hive中如何使用UDTF? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 13）、Hive表关联查询，如何解决数据倾斜问题？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 14）、Hive中数据的null在底层是如何存储的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 15）、Hive有哪些方式保存元数据？各有哪些特点？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 16）、Hive中split、coalesce和collect_list函数的用法？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 17）、Hive在join时候大表和小表放置顺序？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 18）、Hive使用两张表关联，使用MapReduce怎么实现？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 19）、Hive中使用什么可以代替in查询？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 20）、所有的Hive任务底层都会执行MapReduce么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 21）、Hive函数中UDF、UDAF和UDTF区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 22）、Hive桶表的理解？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 23）、Hive实现UDF函数的流程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 24）、Hive SQL语句是怎么执行的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 25）、Hive用过哪些优化？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 26）、Hive如何设置并行数？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 27）、Hive如何合并小文件？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 28）、Hive动态分区？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 29）、Hive的Fetch抓取？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 30）、Hive的Group By？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 31）、Hive的Count(Distinct) 去重统计？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 32）、Hive的笛卡尔积？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 33）、Hive的JVM重用？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 34）、Hive的行列过滤？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 35）、Hive的Map数？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 36）、Hive的Reduce数？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 37）、Hive的并行执行？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 38）、Hive的本地模式？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 39）、Hive的列裁剪和分区裁剪？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 40）、Hive的谓词下推? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 41）、Hive的严格模式? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 42）、Hive启用压缩? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hive.md |
| 9.7、HBase | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 1）、HBase是什么？特点有哪些？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 2）、HBase和Hive的区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 3）、HBase的rowKey如何设计？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 4）、简述HBase架构模块？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 5）、描述HBase中一个cell结构？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 6）、HBase中compact用途是什么？什么时候触发？分为哪两种？有什么区别？有哪些相关参数？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 7）、HBase优化？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 8）、HBase如何建立预分区？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 9）、HBase中HRegionServer宕机如何处理？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 10）、HBase中scan和get的功能以及实现的异同？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 11）、HBase读流程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 12）、HBase写流程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 13）、HBase内部机制是什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 14）、HBase在进行模型设计时重点在什么地方？一张表定义多个Column Family最合适？为什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 15）、如何提高HBase客户端的读写性能？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 16）、直接将时间戳作为行键存储在HBase中，在写入单个Region时候会发生热点问题，为什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 17）、请描述如何解决HBase中Region太大和Region太小带来的冲突？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 18）、简述下布隆过滤器的原理？HBase中如何使用的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 19）、简述下LSM树的原理？HBase中如何使用的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 20）、HBase中二级索引原理？有使用过么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 21）、HBase有put方法，那如何批量进HBase中？用什么方法？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 22）、访问HBase有哪些方式？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 23）、HBase中最小存储单元是什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 24）、HBase中的MemStore是用来做什么的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 25）、HBase中scan对象的setCache和setBatch方法的使用？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 26）、每天百亿数据存入HBase，如何保证数据的存储正确以及在规定时间里全部录入完毕，不残留数据？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 27）、HBase的RowFilter和BloomFilter原理？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 28）、HBase的HRegion如何划分的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 29）、HBase的HRegion如何分裂的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 30）、HBase的MemStore和BlockCache区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hbase.md |
| 9.8、HDFS | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 1）、自己写个HDFS需要实现哪些模块？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 2）、HDFS读流程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 3）、HDFS写流程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 4）、HDFS的事物日志和镜像文件怎么理解？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 5）、HDFS的SecondaryNameNode工作机制？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 6）、HDFS的NameNode和SecondaryNameNode区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 7）、HDFS节点动态上线下线怎么操作？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 8）、HDFS的单点问题？如何解决？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 9）、HDFS的HA如何实现？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 10）、HDFS的Federation如何理解？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 11）、HDFS的Block和spark的partition有什么区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 12）、HDFS的压缩算法？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 13）、HDFS的3个DataNode，其中有一个出现问题，会怎么样？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 14）、HDFS的小文件过多时候，如何解决小文件问题？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 15）、有一个200M文件写入HDFS，是先写入128M复制完之后再写72M，还是全部写完再复制？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 16）、HDFS中的RPC协议，底层是如何进行封装的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 17）、HDFS出现文件丢失怎么处理？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 18）、描述HDFS的SecondaryNameNode进行checkpoint的过程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 19）、HDFS的数据完整性如何保证？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 20）、HDFS什么时候进入安全模式？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 21）、HDFS的副本存放机制？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 22）、如何理解分布式？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/hdfs.md |
| 9.9、MapReduce | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 1）、MapReduce和Spark都是并行计算，有什么区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 2）、Spark比MapReduce快么？为什么快？快在哪里？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 3）、MapReduce的Shuffle过程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 4）、MapReduce架构原理？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 5）、MapReduce如何读取小文件？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 6）、MapReduce调优？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 7）、MapReduce作业执行过程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 8）、MapReduce切片机制？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 9）、描述mapReduce中combiner的作用是什么，一般使用情景，哪些情况不需要，及和reduce的区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 10）、描述Hadoop MapReduce的容错机制？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 11）、在一个运行的Hadoop 任务中，什么是InputSplit？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 12）、如何判定一个job的map和reduce的数量? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 13）、分片与分块的区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 14）、什么叫数据本地性？Hadoop采用了哪些机制提高任务的数据本地性？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 15）、编写MapReduce作业时，如何做到在Reduce阶段，先对key排序，再对value排序？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/mapreduce.md |
| 9.10、YARN | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/yarn.md |
| 9.11、Java | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 1）、说说Java中有哪些数据结构？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 2）、Java中有几种基本类型，各占多少字节？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 3）、Java中String可以被继承不？String、StringBuffer和StringBuilder有什么区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 4）、Java中ArrayList和LinkedList有什么区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 5）、Java中类的初始化顺序？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 6）、Java中HashMap内部实现原理？如何扩容？线程安全不？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 7）、描述动态代理的几种实现方式？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 8）、Java的反射中，Class.forName和ClassLoader区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 9）、Java中nio和bio区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 10）、写出三种单例模式实现方式？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 11）、垃圾回收机制？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 12）、Java的内存模型？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 13）、数组和链表数据结构描述？各自时间复杂度 | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 14）、Java1.5中引入了泛型，泛型的存在用来解决什么问题？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 15）、Java的HashSet内部如何实现的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 16）、Java中List、Set和Map之间的区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 17）、Java中哪些集合类是线程安全的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 18）、Java中synchronized和volatile区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 19）、Jvm中一次完整的GC流程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 20）、Java中CurrentHashMap和HashMap的区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 21）、Java中int和Integer区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 22）、Java中内存溢出和内存泄漏区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 23）、Java中进程和线程的区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 24）、深拷贝和浅拷贝区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 25）、什么是值传递和引用传递？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 26）、可以在static环境中访问非static变量吗？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 27）、Java支持多继承么,为什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 28）、构造器是否可被重写？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 29）、char型变量中能不能存贮一个中文汉字，为什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 30）、如何实现对象克隆？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 31）、object中定义了哪些方法？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 32）、hashCode的作用是什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 34）、列举出JAVA中6个比较常用的包？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 35）、JDK 7有哪些新特性？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 36）、JDK 和 JRE 有什么区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 37）、说说你熟悉的设计模式有哪些？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 38）、在自己的代码中，如果创建一个java.lang.String类，这个类是否可以被类加载器加载？为什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 39）、java8的新特性? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 40）、switch是否能作用在byte 上，是否能作用在long 上，是否能作用在String上? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 41）、是否可以从一个静态（static）方法内部发出对非静态（non-static）方法的调用? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 42）、equals与==的区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 43）、final, finally, finalize 的区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 44）、重载和重写的区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 45）、BIO、NIO、AIO 有什么区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 46）、String，StringBuffer，StringBuilder的区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 47）、Comparator与Comparable有什么区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 48）、说说反射的用途及实现原理，Java获取反射的三种方法? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 49）、Java中IO流分为几种? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 50）、Java创建对象有几种方式? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 51）、守护线程是什么？用什么方法实现守护线程? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 52）、String s与new String与有什么区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 53）、反射中，Class.forName和ClassLoader的区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 54）、Java的类加载机制? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 55）、JVM调优? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 56）、数据库3范式? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 57）、rpc服务和http服务区别? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 58）、CurrentHashMap底层结构? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 59）、单例模式双重检测机制? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 60）、java字符串contains实现原理? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 61）、Java map的contains实现? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 62）、java1.8 currentHashMap原理? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 63）、java CAS机制? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 64）、java中的悲观锁与乐观锁? | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/java.md |
| 9.12、Scala | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 1）、伴生对象Object和伴生类Class区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 2）、var、val和def三个关键字之间的区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 3）、trait和abstract class区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 4）、case class是什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 5）、apply和unapply区别？以及各自的使用场景？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 6）、Nil、Null、None和Nothing四个类型的区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 7）、Unit类型是什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 8）、Option类型的定义和使用场景？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 9）、yield如何工作？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 10）、Scala隐士转换如何理解？什么场景下使用？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 11）、什么是偏函数？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 12）、什么是柯里化？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 13）、什么是闭包？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 14）、Array和ArrayBuffer区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 15）、Scala中协变和逆变区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 16）、Scala中有break么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 17）、Scala中上界和下界区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 18）、Scala中Any AnyRef AnyVal区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/scala.md |
| 9.13、Kafka | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 1）、Kafka如何保证消息的顺序？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 2）、Kafka的receiver和direct区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 3）、Kafka和Flink保证仅消费一次ExactlyOnce？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 4）、Kafka中ISR、AR表示什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 5）、Kafka中HW、LEO等表示什么意思？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 6）、Kafka中是怎么体现消息顺序性的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 7）、Kafka中分区器、序列化器、拦截器是否了解？它们之间的顺序使什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 8）、Kafka生产者客户端整体结构式什么样子的？使用了几个线程处理？分别是什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 9）、Kafka消费组中的消费者个数如果超过了topic的分区，那么就会有消费者消费不到数据，这句话是否正确？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 10）、Kafka中消费者提交消费位移时提交的是当前消费到的最新消息offset还是offset+1？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 11）、Kafka中有哪些情形会造成重复消费？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 12）、Kafka中有哪些情形会造成消息漏消费？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 13）、当使用kafka-topics.sh创建(删除)一个topic之后，kafka背后会执行什么逻辑？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 14）、Kafka的topic分区数可不可以增加？如果可以怎么增加？如果不可以，那又是为什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 15）、Kafka的topic分区数可不可以减少？如果可以怎么增加？如果不可以，那又是为什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 16）、Kafka有内部的topic么？如果有是什么？有什么用？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 17）、Kafka分区分配的概念？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 18）、简述Kafka日志目录结构？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 19）、如果指定了一个offset，Kafka Controller怎么找到对应的消息？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 20）、Kafka Controller的作用？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 21）、Kafka中有哪些地方需要选举，这些地方的选举策略有哪些？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 22）、Kafka失效副本是指什么？有哪些应对策略？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 23）、Kafka的哪些设计让它有如此高的性能？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 24）、简述Kafka的基础架构？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 25）、Kafka的用途有哪些？适用于哪些使用场景？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 26）、Kafka中过期数据清理？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 27）、Kafka中幂等是怎么实现的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 28）、Kafka中优先副本是什么？有什么特殊的作用？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 29）、Kafka中zookeeper作用是什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 30）、Kafka的ACK机制？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 31）、Kafka如何实现ExactlyOnce？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 32）、说说Kafka的使用场景？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 33）、Kafka与传统MQ消息系统之间有三个关键区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 34）、kafka如何保证不丢失消息？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 35）、Kafka分区的目的？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 36）、Kafka消息是采用Pull模式，还是Push模式？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 37）、Kafka 数据存储类型？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/kafka.md |
| 9.14、SQL | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sql.md |
| 1）、SQL执顺序？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sql.md |
| 2）、排名函数ROW_NUMBER,RANK,DENSE_RANK啥区别？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sql.md |
| 3)、用一条sql语句查询出每门课都大于80分的学生姓名？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sql.md |
| 4)、sql窗口函数？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sql.md |
| 5)、sql窗口函数使用？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sql.md |
| 6)、sql中条件函数使用？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/sql.md |
| 9.15、Doris | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 1）、Doris数据模型？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 2）、Doris底层存储原理？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 3）、MPP引擎的选型？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 4）、Doris简介？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 5）、Doris适用场景？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 6）、Doris的查询规划过程？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 7）、Doris的Rollup？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 8）、Doris的写入方式？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 9）、Doris优缺点？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 10）、Doris查询方式？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 11）、Doris的调度？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 12）、Doris的数据划分？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 13）、Doris的Bitmap去重？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 14）、Doris、ClickHouse、Druid对比？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 15）、Doris内置函数？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 16）、MPP数据库？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 17）、数据库架构设计？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 18）、Doris近似去重、精确去重功能？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 19）、DorisDB基本概念？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 20）、Doris分区？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 21）、Doris分桶？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 22）、Doris的Bloom Filter索引？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 23）、Doris物化视图？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 24）、Doris系统架构？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 25）、Doris的Rollup？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 26）、Doris用Bitmap实现精确去重？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 27）、Doris用HLL(HyperLogLog)实现近似去重？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/doris.md |
| 9.16、Flink Table API&SQL | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 1）、1、Flink API&SQL概述？是什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 2）、Flink API&SQL的planner？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 3）、Flink API&SQL的编程模板？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 4）、Flink API&SQL的TableEnvironment？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 5）、catalog是什么？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 6）、catalog中创建临时表与永久表？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 7）、catalog中创建虚表(Virtual Tables)？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 8）、catalog中创建外部数据源表(Connector Tables)？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 9）、查询表Table API方式？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 10）、查询表SQL方式？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 11）、API&SQL底层的转换与执行，Old planner？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 12）、API&SQL底层的转换与执行 Blink planner？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 13）、查询优化，Old planner？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 14）、查询优化，Blink planner？ | https://github.com/lingithublearn/Bigdata/blob/master/bigdata-project/src/main/doc/tableAndSql.md |
| 9.17、大数据算法 | https://github.com/lingithublearn/Bigdata/blob/master |
| 1）、逻辑回归公式推导？ | https://github.com/lingithublearn/Bigdata/blob/master |
| 9.18、大数据后端【SpringBoot】 | https://github.com/lingithublearn/Bigdata/blob/master |
| 1）、什么是微服务？ | https://github.com/lingithublearn/Bigdata/blob/master |
| 9.19、大数据前端【Vue】 | https://github.com/lingithublearn/Bigdata/blob/master |
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