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Title: GitHub - wdnmdpython/interview_internal_reference: 2019年最新总结，阿里，腾讯，百度，美团，头条等技术面试题目，以及答案，专家出题人分析汇总。

Open Graph Title: GitHub - wdnmdpython/interview_internal_reference: 2019年最新总结，阿里，腾讯，百度，美团，头条等技术面试题目，以及答案，专家出题人分析汇总。

X Title: GitHub - wdnmdpython/interview_internal_reference: 2019年最新总结，阿里，腾讯，百度，美团，头条等技术面试题目，以及答案，专家出题人分析汇总。

Description: 2019年最新总结，阿里，腾讯，百度，美团，头条等技术面试题目，以及答案，专家出题人分析汇总。. Contribute to wdnmdpython/interview_internal_reference development by creating an account on GitHub.

Open Graph Description: 2019年最新总结，阿里，腾讯，百度，美团，头条等技术面试题目，以及答案，专家出题人分析汇总。. Contribute to wdnmdpython/interview_internal_reference development by creating an account on GitHub.

X Description: 2019年最新总结，阿里，腾讯，百度，美团，头条等技术面试题目，以及答案，专家出题人分析汇总。. Contribute to wdnmdpython/interview_internal_reference development by creating an account on GitHub.

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X: @github

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313 Commits	https://github.com/wdnmdpython/interview_internal_reference/commits/master/
	https://github.com/wdnmdpython/interview_internal_reference/commits/master/
01.阿里篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/01.%E9%98%BF%E9%87%8C%E7%AF%87
01.阿里篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/01.%E9%98%BF%E9%87%8C%E7%AF%87
02.华为篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/02.%E5%8D%8E%E4%B8%BA%E7%AF%87
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03.百度篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/03.%E7%99%BE%E5%BA%A6%E7%AF%87
04.腾讯篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/04.%E8%85%BE%E8%AE%AF%E7%AF%87
04.腾讯篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/04.%E8%85%BE%E8%AE%AF%E7%AF%87
05.美团篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/05.%E7%BE%8E%E5%9B%A2%E7%AF%87
05.美团篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/05.%E7%BE%8E%E5%9B%A2%E7%AF%87
06.头条篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/06.%E5%A4%B4%E6%9D%A1%E7%AF%87
06.头条篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/06.%E5%A4%B4%E6%9D%A1%E7%AF%87
07.滴滴篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/07.%E6%BB%B4%E6%BB%B4%E7%AF%87
07.滴滴篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/07.%E6%BB%B4%E6%BB%B4%E7%AF%87
08.京东篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/08.%E4%BA%AC%E4%B8%9C%E7%AF%87
08.京东篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/08.%E4%BA%AC%E4%B8%9C%E7%AF%87
09.MySQL篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/09.MySQL%E7%AF%87
09.MySQL篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/09.MySQL%E7%AF%87
10.Redis篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/10.Redis%E7%AF%87
10.Redis篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/10.Redis%E7%AF%87
11.MongoDB篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/11.MongoDB%E7%AF%87
11.MongoDB篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/11.MongoDB%E7%AF%87
12.Zookeeper篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/12.Zookeeper%E7%AF%87
12.Zookeeper篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/12.Zookeeper%E7%AF%87
13.Nginx篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/13.Nginx%E7%AF%87
13.Nginx篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/13.Nginx%E7%AF%87
14.算法篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/14.%E7%AE%97%E6%B3%95%E7%AF%87
14.算法篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/14.%E7%AE%97%E6%B3%95%E7%AF%87
15.内存篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/15.%E5%86%85%E5%AD%98%E7%AF%87
15.内存篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/15.%E5%86%85%E5%AD%98%E7%AF%87
16.CPU篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/16.CPU%E7%AF%87
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19.安全篇	https://github.com/wdnmdpython/interview_internal_reference/tree/master/19.%E5%AE%89%E5%85%A8%E7%AF%87
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	https://github.com/wdnmdpython/interview_internal_reference#2019年最新总结阿里腾讯百度美团头条等技术面试题目以及答案专家出题人分析汇总持续更新中
阿里篇	https://github.com/wdnmdpython/interview_internal_reference#1
华为篇	https://github.com/wdnmdpython/interview_internal_reference#2
百度篇	https://github.com/wdnmdpython/interview_internal_reference#3
腾讯篇	https://github.com/wdnmdpython/interview_internal_reference#4
美团篇	https://github.com/wdnmdpython/interview_internal_reference#5
头条篇	https://github.com/wdnmdpython/interview_internal_reference#6
滴滴篇	https://github.com/wdnmdpython/interview_internal_reference#7
京东篇	https://github.com/wdnmdpython/interview_internal_reference#8
MySQL篇	https://github.com/wdnmdpython/interview_internal_reference#9
Redis篇	https://github.com/wdnmdpython/interview_internal_reference#10
MongoDB篇	https://github.com/wdnmdpython/interview_internal_reference#11
Zookeeper篇	https://github.com/wdnmdpython/interview_internal_reference#12
Nginx篇	https://github.com/wdnmdpython/interview_internal_reference#13
算法篇	https://github.com/wdnmdpython/interview_internal_reference#14
内存篇	https://github.com/wdnmdpython/interview_internal_reference#15
cpu篇	https://github.com/wdnmdpython/interview_internal_reference#16
磁盘篇	https://github.com/wdnmdpython/interview_internal_reference#17
网络通信篇	https://github.com/wdnmdpython/interview_internal_reference#18
安全篇	https://github.com/wdnmdpython/interview_internal_reference#19
并发篇	https://github.com/wdnmdpython/interview_internal_reference#20
	https://github.com/wdnmdpython/interview_internal_reference#阿里篇
1.1.1 如何实现一个高效的单向链表逆序输出？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.1.1%20%E5%A6%82%E4%BD%95%E5%AE%9E%E7%8E%B0%E4%B8%80%E4%B8%AA%E9%AB%98%E6%95%88%E7%9A%84%E5%8D%95%E5%90%91%E9%93%BE%E8%A1%A8%E9%80%86%E5%BA%8F%E8%BE%93%E5%87%BA%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#111-如何实现一个高效的单向链表逆序输出
1.1.2 已知sqrt(2)约等于1.414，要求不用数学库，求sqrt(2)精确到小数点后10位	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.1.2%20%E5%B7%B2%E7%9F%A5sqrt%282%29%E7%BA%A6%E7%AD%89%E4%BA%8E1.414%EF%BC%8C%E8%A6%81%E6%B1%82%E4%B8%8D%E7%94%A8%E6%95%B0%E5%AD%A6%E5%BA%93%EF%BC%8C%E6%B1%82sqrt%282%29%E7%B2%BE%E7%A1%AE%E5%88%B0%E5%B0%8F%E6%95%B0%E7%82%B9%E5%90%8E10%E4%BD%8D.md
	https://github.com/wdnmdpython/interview_internal_reference#112-已知sqrt2约等于1414要求不用数学库求sqrt2精确到小数点后10位
1.1.3 给定一个二叉搜索树(BST)，找到树中第 K 小的节点	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.1.3%20%E7%BB%99%E5%AE%9A%E4%B8%80%E4%B8%AA%E4%BA%8C%E5%8F%89%E6%90%9C%E7%B4%A2%E6%A0%91%28BST%29%EF%BC%8C%E6%89%BE%E5%88%B0%E6%A0%91%E4%B8%AD%E7%AC%AC%20K%20%E5%B0%8F%E7%9A%84%E8%8A%82%E7%82%B9.md
	https://github.com/wdnmdpython/interview_internal_reference#113-给定一个二叉搜索树bst找到树中第-k-小的节点
1.1.4 LRU缓存机制	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.1.4%20LRU%E7%BC%93%E5%AD%98%E6%9C%BA%E5%88%B6.md
	https://github.com/wdnmdpython/interview_internal_reference#114-lru缓存机制
1.1.5 关于epoll和select的区别，以下哪些说法是正确的	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.1.5%20%E5%85%B3%E4%BA%8Eepoll%E5%92%8Cselect%E7%9A%84%E5%8C%BA%E5%88%AB%EF%BC%8C%E4%BB%A5%E4%B8%8B%E5%93%AA%E4%BA%9B%E8%AF%B4%E6%B3%95%E6%98%AF%E6%AD%A3%E7%A1%AE%E7%9A%84.md
	https://github.com/wdnmdpython/interview_internal_reference#115-关于epoll和select的区别以下哪些说法是正确的
1.1.6 从innodb的索引结构分析，为什么索引的 key 长度不能太长	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.1.6%20%E4%BB%8Einnodb%E7%9A%84%E7%B4%A2%E5%BC%95%E7%BB%93%E6%9E%84%E5%88%86%E6%9E%90%EF%BC%8C%E4%B8%BA%E4%BB%80%E4%B9%88%E7%B4%A2%E5%BC%95%E7%9A%84%20key%20%E9%95%BF%E5%BA%A6%E4%B8%8D%E8%83%BD%E5%A4%AA%E9%95%BF.md
	https://github.com/wdnmdpython/interview_internal_reference#116-从innodb的索引结构分析为什么索引的-key-长度不能太长
1.1.7 MySQL的数据如何恢复到任意时间点？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.1.7%20MySQL%E7%9A%84%E6%95%B0%E6%8D%AE%E5%A6%82%E4%BD%95%E6%81%A2%E5%A4%8D%E5%88%B0%E4%BB%BB%E6%84%8F%E6%97%B6%E9%97%B4%E7%82%B9%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#117-mysql的数据如何恢复到任意时间点
	https://github.com/wdnmdpython/interview_internal_reference#118-nfs-和-smb-是最常见的两种-nasnetwork-attached-storage协议当把一个文件系统同时通过-nfs-和-smb-协议共享给多个主机访问时以下哪些说法是错误的
1.1.9 输入 ping IP 后敲回车，发包前会发生什么？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.1.9%20%E8%BE%93%E5%85%A5%20ping%20IP%20%E5%90%8E%E6%95%B2%E5%9B%9E%E8%BD%A6%EF%BC%8C%E5%8F%91%E5%8C%85%E5%89%8D%E4%BC%9A%E5%8F%91%E7%94%9F%E4%BB%80%E4%B9%88%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#119-输入-ping-ip-后敲回车发包前会发生什么
1.2.0 请解释下为什么鹿晗发布恋情的时候，微博系统会崩溃，如何解决？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.2.0%20%E8%AF%B7%E8%A7%A3%E9%87%8A%E4%B8%8B%E4%B8%BA%E4%BB%80%E4%B9%88%E9%B9%BF%E6%99%97%E5%8F%91%E5%B8%83%E6%81%8B%E6%83%85%E7%9A%84%E6%97%B6%E5%80%99%EF%BC%8C%E5%BE%AE%E5%8D%9A%E7%B3%BB%E7%BB%9F%E4%BC%9A%E5%B4%A9%E6%BA%83%EF%BC%8C%E5%A6%82%E4%BD%95%E8%A7%A3%E5%86%B3%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#120-请解释下为什么鹿晗发布恋情的时候微博系统会崩溃如何解决
1.2.1 现有一批邮件需要发送给订阅顾客，且有一个集群（集群的节点数不定，会动态扩容缩容）来负责具体的邮件发送任务，如何让系统尽快地完成发送？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.2.1%20%E7%8E%B0%E6%9C%89%E4%B8%80%E6%89%B9%E9%82%AE%E4%BB%B6%E9%9C%80%E8%A6%81%E5%8F%91%E9%80%81%E7%BB%99%E8%AE%A2%E9%98%85%E9%A1%BE%E5%AE%A2%EF%BC%8C%E4%B8%94%E6%9C%89%E4%B8%80%E4%B8%AA%E9%9B%86%E7%BE%A4%EF%BC%88%E9%9B%86%E7%BE%A4%E7%9A%84%E8%8A%82%E7%82%B9%E6%95%B0%E4%B8%8D%E5%AE%9A%EF%BC%8C%E4%BC%9A%E5%8A%A8%E6%80%81%E6%89%A9%E5%AE%B9%E7%BC%A9%E5%AE%B9%EF%BC%89%E6%9D%A5%E8%B4%9F%E8%B4%A3%E5%85%B7%E4%BD%93%E7%9A%84%E9%82%AE%E4%BB%B6%E5%8F%91%E9%80%81%E4%BB%BB%E5%8A%A1%EF%BC%8C%E5%A6%82%E4%BD%95%E8%AE%A9%E7%B3%BB%E7%BB%9F%E5%B0%BD%E5%BF%AB%E5%9C%B0%E5%AE%8C%E6%88%90%E5%8F%91%E9%80%81%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#121-现有一批邮件需要发送给订阅顾客且有一个集群集群的节点数不定会动态扩容缩容来负责具体的邮件发送任务如何让系统尽快地完成发送
1.2.2 有一批气象观测站，现需要获取这些站点的观测数据，并存储到 Hive 中。但是气象局只提供了 api 查询，每次只能查询单个观测点。那么如果能够方便快速地获取到所有的观测点的数据？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.2.2%20%E6%9C%89%E4%B8%80%E6%89%B9%E6%B0%94%E8%B1%A1%E8%A7%82%E6%B5%8B%E7%AB%99%EF%BC%8C%E7%8E%B0%E9%9C%80%E8%A6%81%E8%8E%B7%E5%8F%96%E8%BF%99%E4%BA%9B%E7%AB%99%E7%82%B9%E7%9A%84%E8%A7%82%E6%B5%8B%E6%95%B0%E6%8D%AE%EF%BC%8C%E5%B9%B6%E5%AD%98%E5%82%A8%E5%88%B0%20Hive%20%E4%B8%AD%E3%80%82%E4%BD%86%E6%98%AF%E6%B0%94%E8%B1%A1%E5%B1%80%E5%8F%AA%E6%8F%90%E4%BE%9B%E4%BA%86%20api%20%E6%9F%A5%E8%AF%A2%EF%BC%8C%E6%AF%8F%E6%AC%A1%E5%8F%AA%E8%83%BD%E6%9F%A5%E8%AF%A2%E5%8D%95%E4%B8%AA%E8%A7%82%E6%B5%8B%E7%82%B9%E3%80%82%E9%82%A3%E4%B9%88%E5%A6%82%E6%9E%9C%E8%83%BD%E5%A4%9F%E6%96%B9%E4%BE%BF%E5%BF%AB%E9%80%9F%E5%9C%B0%E8%8E%B7%E5%8F%96%E5%88%B0%E6%89%80%E6%9C%89%E7%9A%84%E8%A7%82%E6%B5%8B%E7%82%B9%E7%9A%84%E6%95%B0%E6%8D%AE%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#122-有一批气象观测站现需要获取这些站点的观测数据并存储到-hive-中但是气象局只提供了-api-查询每次只能查询单个观测点那么如果能够方便快速地获取到所有的观测点的数据
1.2.3 如何实现两金额数据相加（最多小数点两位）	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.2.3%20%E5%A6%82%E4%BD%95%E5%AE%9E%E7%8E%B0%E4%B8%A4%E9%87%91%E9%A2%9D%E6%95%B0%E6%8D%AE%E7%9B%B8%E5%8A%A0%EF%BC%88%E6%9C%80%E5%A4%9A%E5%B0%8F%E6%95%B0%E7%82%B9%E4%B8%A4%E4%BD%8D%EF%BC%89.md
	https://github.com/wdnmdpython/interview_internal_reference#123-如何实现两金额数据相加最多小数点两位
1.2.4 关于并行计算的一些基础开放问题	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.2.4%20%E5%85%B3%E4%BA%8E%E5%B9%B6%E8%A1%8C%E8%AE%A1%E7%AE%97%E7%9A%84%E4%B8%80%E4%BA%9B%E5%9F%BA%E7%A1%80%E5%BC%80%E6%94%BE%E9%97%AE%E9%A2%98.md
	https://github.com/wdnmdpython/interview_internal_reference#124-关于并行计算的一些基础开放问题
1.2.5 请计算XILINX公司VU9P芯片的算力相当于多少TOPS，给出计算过程与公式	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.2.5%20%E8%AF%B7%E8%AE%A1%E7%AE%97XILINX%E5%85%AC%E5%8F%B8VU9P%E8%8A%AF%E7%89%87%E7%9A%84%E7%AE%97%E5%8A%9B%E7%9B%B8%E5%BD%93%E4%BA%8E%E5%A4%9A%E5%B0%91TOPS%EF%BC%8C%E7%BB%99%E5%87%BA%E8%AE%A1%E7%AE%97%E8%BF%87%E7%A8%8B%E4%B8%8E%E5%85%AC%E5%BC%8F.md
	https://github.com/wdnmdpython/interview_internal_reference#125-请计算xilinx公司vu9p芯片的算力相当于多少tops给出计算过程与公式
1.2.6 一颗现代处理器，每秒大概可以执行多少条简单的MOV指令，有哪些主要的影响因素	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.2.6%20%E4%B8%80%E9%A2%97%E7%8E%B0%E4%BB%A3%E5%A4%84%E7%90%86%E5%99%A8%EF%BC%8C%E6%AF%8F%E7%A7%92%E5%A4%A7%E6%A6%82%E5%8F%AF%E4%BB%A5%E6%89%A7%E8%A1%8C%E5%A4%9A%E5%B0%91%E6%9D%A1%E7%AE%80%E5%8D%95%E7%9A%84MOV%E6%8C%87%E4%BB%A4%EF%BC%8C%E6%9C%89%E5%93%AA%E4%BA%9B%E4%B8%BB%E8%A6%81%E7%9A%84%E5%BD%B1%E5%93%8D%E5%9B%A0%E7%B4%A0.md
	https://github.com/wdnmdpython/interview_internal_reference#126-一颗现代处理器每秒大概可以执行多少条简单的mov指令有哪些主要的影响因素
1.2.7 请分析 MaxCompute 产品与分布式技术的关系、当前大数据计算平台类产品的市场现状和发展趋势	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.2.7%20%E8%AF%B7%E5%88%86%E6%9E%90%20MaxCompute%20%E4%BA%A7%E5%93%81%E4%B8%8E%E5%88%86%E5%B8%83%E5%BC%8F%E6%8A%80%E6%9C%AF%E7%9A%84%E5%85%B3%E7%B3%BB%E3%80%81%E5%BD%93%E5%89%8D%E5%A4%A7%E6%95%B0%E6%8D%AE%E8%AE%A1%E7%AE%97%E5%B9%B3%E5%8F%B0%E7%B1%BB%E4%BA%A7%E5%93%81%E7%9A%84%E5%B8%82%E5%9C%BA%E7%8E%B0%E7%8A%B6%E5%92%8C%E5%8F%91%E5%B1%95%E8%B6%8B%E5%8A%BF.md
	https://github.com/wdnmdpython/interview_internal_reference#127-请分析-maxcompute-产品与分布式技术的关系当前大数据计算平台类产品的市场现状和发展趋势
1.2.8 对大数据平台中的元数据管理是怎么理解的，元数据收集管理体系是怎么样的，会对大数据应用有什么样的影响	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.2.8%20%E5%AF%B9%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%B9%B3%E5%8F%B0%E4%B8%AD%E7%9A%84%E5%85%83%E6%95%B0%E6%8D%AE%E7%AE%A1%E7%90%86%E6%98%AF%E6%80%8E%E4%B9%88%E7%90%86%E8%A7%A3%E7%9A%84%EF%BC%8C%E5%85%83%E6%95%B0%E6%8D%AE%E6%94%B6%E9%9B%86%E7%AE%A1%E7%90%86%E4%BD%93%E7%B3%BB%E6%98%AF%E6%80%8E%E4%B9%88%E6%A0%B7%E7%9A%84%EF%BC%8C%E4%BC%9A%E5%AF%B9%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%BA%94%E7%94%A8%E6%9C%89%E4%BB%80%E4%B9%88%E6%A0%B7%E7%9A%84%E5%BD%B1%E5%93%8D.md
	https://github.com/wdnmdpython/interview_internal_reference#128-对大数据平台中的元数据管理是怎么理解的元数据收集管理体系是怎么样的会对大数据应用有什么样的影响
1.2.9 你理解常见如阿里，和友商大数据平台的技术体系差异以及发展趋势和技术瓶颈，在存储和计算两个方面进行概述	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.2.9%20%E4%BD%A0%E7%90%86%E8%A7%A3%E5%B8%B8%E8%A7%81%E5%A6%82%E9%98%BF%E9%87%8C%EF%BC%8C%E5%92%8C%E5%8F%8B%E5%95%86%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%B9%B3%E5%8F%B0%E7%9A%84%E6%8A%80%E6%9C%AF%E4%BD%93%E7%B3%BB%E5%B7%AE%E5%BC%82%E4%BB%A5%E5%8F%8A%E5%8F%91%E5%B1%95%E8%B6%8B%E5%8A%BF%E5%92%8C%E6%8A%80%E6%9C%AF%E7%93%B6%E9%A2%88%EF%BC%8C%E5%9C%A8%E5%AD%98%E5%82%A8%E5%92%8C%E8%AE%A1%E7%AE%97%E4%B8%A4%E4%B8%AA%E6%96%B9%E9%9D%A2%E8%BF%9B%E8%A1%8C%E6%A6%82%E8%BF%B0.md
	https://github.com/wdnmdpython/interview_internal_reference#129-你理解常见如阿里和友商大数据平台的技术体系差异以及发展趋势和技术瓶颈在存储和计算两个方面进行概述
	https://github.com/wdnmdpython/interview_internal_reference#130-在云计算大数据处理场景中每天运行着成千上万的任务每个任务都要进行-io-读写存储系统为了更好的服务经常会保证高优先级的任务优先执行当多个作业或用户访问存储系统时如何保证优先级和公平性
1.3.1 最大频率栈	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.3.1%20%E6%9C%80%E5%A4%A7%E9%A2%91%E7%8E%87%E6%A0%88.md
	https://github.com/wdnmdpython/interview_internal_reference#131-最大频率栈
1.3.2 给定一个链表，删除链表的倒数第N个节点，并且返回链表的头结点	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.3.2%20%E7%BB%99%E5%AE%9A%E4%B8%80%E4%B8%AA%E9%93%BE%E8%A1%A8%EF%BC%8C%E5%88%A0%E9%99%A4%E9%93%BE%E8%A1%A8%E7%9A%84%E5%80%92%E6%95%B0%E7%AC%ACN%E4%B8%AA%E8%8A%82%E7%82%B9%EF%BC%8C%E5%B9%B6%E4%B8%94%E8%BF%94%E5%9B%9E%E9%93%BE%E8%A1%A8%E7%9A%84%E5%A4%B4%E7%BB%93%E7%82%B9.md
	https://github.com/wdnmdpython/interview_internal_reference#132-给定一个链表删除链表的倒数第n个节点并且返回链表的头结点
1.3.3 如果让你设计一个通用的、支持各种数据库秒级备份和恢复的系统，你会如何设计	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.3.3%20%E5%A6%82%E6%9E%9C%E8%AE%A9%E4%BD%A0%E8%AE%BE%E8%AE%A1%E4%B8%80%E4%B8%AA%E9%80%9A%E7%94%A8%E7%9A%84%E3%80%81%E6%94%AF%E6%8C%81%E5%90%84%E7%A7%8D%E6%95%B0%E6%8D%AE%E5%BA%93%E7%A7%92%E7%BA%A7%E5%A4%87%E4%BB%BD%E5%92%8C%E6%81%A2%E5%A4%8D%E7%9A%84%E7%B3%BB%E7%BB%9F%EF%BC%8C%E4%BD%A0%E4%BC%9A%E5%A6%82%E4%BD%95%E8%AE%BE%E8%AE%A1.md
	https://github.com/wdnmdpython/interview_internal_reference#133-如果让你设计一个通用的支持各种数据库秒级备份和恢复的系统你会如何设计
1.3.4 如果让你来设计一个支持数据库、NOSQL 和大数据之间数据实时流动的数据流及处理的系统，你会考虑哪些问题？如何设计？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.3.4%20%E5%A6%82%E6%9E%9C%E8%AE%A9%E4%BD%A0%E6%9D%A5%E8%AE%BE%E8%AE%A1%E4%B8%80%E4%B8%AA%E6%94%AF%E6%8C%81%E6%95%B0%E6%8D%AE%E5%BA%93%E3%80%81NOSQL%20%E5%92%8C%E5%A4%A7%E6%95%B0%E6%8D%AE%E4%B9%8B%E9%97%B4%E6%95%B0%E6%8D%AE%E5%AE%9E%E6%97%B6%E6%B5%81%E5%8A%A8%E7%9A%84%E6%95%B0%E6%8D%AE%E6%B5%81%E5%8F%8A%E5%A4%84%E7%90%86%E7%9A%84%E7%B3%BB%E7%BB%9F%EF%BC%8C%E4%BD%A0%E4%BC%9A%E8%80%83%E8%99%91%E5%93%AA%E4%BA%9B%E9%97%AE%E9%A2%98%EF%BC%9F%E5%A6%82%E4%BD%95%E8%AE%BE%E8%AE%A1%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#134-如果让你来设计一个支持数据库nosql-和大数据之间数据实时流动的数据流及处理的系统你会考虑哪些问题如何设计
1.3.5 给定一个整数数组和一个整数，返回两个数组的索引，这两个索引指向的数字的加和等于指定的整数。需要最优的算法，分析算法的空间和时间复杂度	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.3.5%20%E7%BB%99%E5%AE%9A%E4%B8%80%E4%B8%AA%E6%95%B4%E6%95%B0%E6%95%B0%E7%BB%84%E5%92%8C%E4%B8%80%E4%B8%AA%E6%95%B4%E6%95%B0%EF%BC%8C%E8%BF%94%E5%9B%9E%E4%B8%A4%E4%B8%AA%E6%95%B0%E7%BB%84%E7%9A%84%E7%B4%A2%E5%BC%95%EF%BC%8C%E8%BF%99%E4%B8%A4%E4%B8%AA%E7%B4%A2%E5%BC%95%E6%8C%87%E5%90%91%E7%9A%84%E6%95%B0%E5%AD%97%E7%9A%84%E5%8A%A0%E5%92%8C%E7%AD%89%E4%BA%8E%E6%8C%87%E5%AE%9A%E7%9A%84%E6%95%B4%E6%95%B0%E3%80%82%E9%9C%80%E8%A6%81%E6%9C%80%E4%BC%98%E7%9A%84%E7%AE%97%E6%B3%95%EF%BC%8C%E5%88%86%E6%9E%90%E7%AE%97%E6%B3%95%E7%9A%84%E7%A9%BA%E9%97%B4%E5%92%8C%E6%97%B6%E9%97%B4%E5%A4%8D%E6%9D%82%E5%BA%A6.md
	https://github.com/wdnmdpython/interview_internal_reference#135-给定一个整数数组和一个整数返回两个数组的索引这两个索引指向的数字的加和等于指定的整数需要最优的算法分析算法的空间和时间复杂度
1.3.6 假如给你一个新产品，你将从哪些方面来保障它的质量？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.3.6%20%E5%81%87%E5%A6%82%E7%BB%99%E4%BD%A0%E4%B8%80%E4%B8%AA%E6%96%B0%E4%BA%A7%E5%93%81%EF%BC%8C%E4%BD%A0%E5%B0%86%E4%BB%8E%E5%93%AA%E4%BA%9B%E6%96%B9%E9%9D%A2%E6%9D%A5%E4%BF%9D%E9%9A%9C%E5%AE%83%E7%9A%84%E8%B4%A8%E9%87%8F%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#136-假如给你一个新产品你将从哪些方面来保障它的质量
1.3.7 请评估一下程序的执行结果？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/01.%E9%98%BF%E9%87%8C%E7%AF%87/1.3.7%20%E8%AF%B7%E8%AF%84%E4%BC%B0%E4%B8%80%E4%B8%8B%E7%A8%8B%E5%BA%8F%E7%9A%84%E6%89%A7%E8%A1%8C%E7%BB%93%E6%9E%9C%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#137-请评估一下程序的执行结果
	https://github.com/wdnmdpython/interview_internal_reference#华为篇
	https://github.com/wdnmdpython/interview_internal_reference#210-static有什么用途请至少说明两种
	https://github.com/wdnmdpython/interview_internal_reference#211-引用与指针有什么区别
	https://github.com/wdnmdpython/interview_internal_reference#212-描述实时系统的基本特性
	https://github.com/wdnmdpython/interview_internal_reference#213-全局变量和局部变量在内存中是否有区别如果有是什么区别
	https://github.com/wdnmdpython/interview_internal_reference#214-什么是平衡二叉树
	https://github.com/wdnmdpython/interview_internal_reference#215-堆栈溢出一般是由什么原因导致的
	https://github.com/wdnmdpython/interview_internal_reference#216-什么函数不能声明为虚函数
	https://github.com/wdnmdpython/interview_internal_reference#217-冒泡排序算法的时间复杂度是什么
	https://github.com/wdnmdpython/interview_internal_reference#218-写出float-x-与零值比较的if语句
	https://github.com/wdnmdpython/interview_internal_reference#219-internet采用哪种网络协议该协议的主要层次结构
	https://github.com/wdnmdpython/interview_internal_reference#220-internet物理地址和ip地址转换采用什么协议
	https://github.com/wdnmdpython/interview_internal_reference#221-ip地址的编码分为哪俩部分
	https://github.com/wdnmdpython/interview_internal_reference#222-用户输入mn值从1至n开始顺序循环数数每数到m输出该数值直至全部输出写出c程序
	https://github.com/wdnmdpython/interview_internal_reference#223-不能做switch的参数类型是
	https://github.com/wdnmdpython/interview_internal_reference#224-int-ansize其中隐藏着若干0其余非0整数写一个函数int-funcint-a-int-nsize使a把0移至后面非0整数移至数组前面并保持有序返回值为原数据中第一个元素为0的下标
	https://github.com/wdnmdpython/interview_internal_reference#225-写一个程序-要求功能求出用125这三个数不同个数组合的和为100的组合个数
	https://github.com/wdnmdpython/interview_internal_reference#226-实现一个函数把一个字符串中的字符从小写转为大写
	https://github.com/wdnmdpython/interview_internal_reference#227-随机输入一个数判断它是不是对称数回文数如31211232145254不能用字符串库函数
	https://github.com/wdnmdpython/interview_internal_reference#228-求22000的所有素数有足够的内存要求尽量快
	https://github.com/wdnmdpython/interview_internal_reference#229-abcd四个进程a向buf里面写数据bcd向buf里面读数据当a写完且bcd都读一次后a才能再写用pv操作实现
	https://github.com/wdnmdpython/interview_internal_reference#230-将单向链表reverse如abcd变成dcba只能搜索链表一次
	https://github.com/wdnmdpython/interview_internal_reference#231-将二叉树的两个孩子换位置即左变右右变左不能用递规
	https://github.com/wdnmdpython/interview_internal_reference#232-以下属于物理层的设备是
	https://github.com/wdnmdpython/interview_internal_reference#233-在以太网中是根据地址来区分不同的设备的
	https://github.com/wdnmdpython/interview_internal_reference#234-以下为传输层协议的是
	https://github.com/wdnmdpython/interview_internal_reference#235-以下对mac地址描述正确的是
	https://github.com/wdnmdpython/interview_internal_reference#236-以下属于数据链路层功能的是
	https://github.com/wdnmdpython/interview_internal_reference#237-ieee8023u标准是指
	https://github.com/wdnmdpython/interview_internal_reference#238-如果要将两计算机通过双绞线直接连接正确的线序是
	https://github.com/wdnmdpython/interview_internal_reference#239-在v35和v24规程中控制信号rts表示
	https://github.com/wdnmdpython/interview_internal_reference#240-路由器作为网络互连设备必须具备以下哪些特点
	https://github.com/wdnmdpython/interview_internal_reference#241-路由器的作用有
	https://github.com/wdnmdpython/interview_internal_reference#242-调用上一条历史命令的快捷键是
	https://github.com/wdnmdpython/interview_internal_reference#243-交换机工作在osi七层的哪一层
	https://github.com/wdnmdpython/interview_internal_reference#244-以下对csmacd描述正确的是
	https://github.com/wdnmdpython/interview_internal_reference#245-以下对store-andforward描述正确的是
	https://github.com/wdnmdpython/interview_internal_reference#246-以下对交换机工作方式描述正确的是
	https://github.com/wdnmdpython/interview_internal_reference#247-vlan的主要作用有
	https://github.com/wdnmdpython/interview_internal_reference#248-在交换机中用户权限分为几个级别
	https://github.com/wdnmdpython/interview_internal_reference#249-在路由器的配置过程中查询以s开头所有命令的方法是
	https://github.com/wdnmdpython/interview_internal_reference#250-第一次配置路由器时可以使用的方法为
	https://github.com/wdnmdpython/interview_internal_reference#251-在何种状态下可以为路由器改名
	https://github.com/wdnmdpython/interview_internal_reference#252-某公司申请到一个c类ip地址但要连接6个的子公司最大的一个子公司有-26台计算机每个子公司在一个网段中则子网掩码应设为
	https://github.com/wdnmdpython/interview_internal_reference#253-与101101229mask-255255255224属于同一网段的主机ip地址是
	https://github.com/wdnmdpython/interview_internal_reference#254-arp协议的作用是
	https://github.com/wdnmdpython/interview_internal_reference#255-当路由器接收的ip报文的ttl值等于1时采取的策略是
	https://github.com/wdnmdpython/interview_internal_reference#256-在netware-网络中客户需要访问某个类型的服务器时首先要发送一个-广播报文来寻找服务器
	https://github.com/wdnmdpython/interview_internal_reference#257-ipx地址网络地址有-个字节
	https://github.com/wdnmdpython/interview_internal_reference#258-对于帧中继描述正确的是
	https://github.com/wdnmdpython/interview_internal_reference#259-对于inverse-arp的描述正确的是
	https://github.com/wdnmdpython/interview_internal_reference#百度篇
	https://github.com/wdnmdpython/interview_internal_reference#310-在函数内定义一个字符数组用gets函数输入字符串的时候如果输入越界为什么程序会崩溃
	https://github.com/wdnmdpython/interview_internal_reference#311-c中引用与指针的区别
	https://github.com/wdnmdpython/interview_internal_reference#312-cc程序的内存分区
	https://github.com/wdnmdpython/interview_internal_reference#313-快速排序的思想时间复杂度实现以及优化方法
	https://github.com/wdnmdpython/interview_internal_reference#314-io模型io多路复用机制
	https://github.com/wdnmdpython/interview_internal_reference#315-常用的linux命令
	https://github.com/wdnmdpython/interview_internal_reference#316-c中变量的存储类型有哪些
	https://github.com/wdnmdpython/interview_internal_reference#317-动态规划的本质
	https://github.com/wdnmdpython/interview_internal_reference#318-实践中如何优化mysql
	https://github.com/wdnmdpython/interview_internal_reference#319-什么情况下设置了索引但无法使用
	https://github.com/wdnmdpython/interview_internal_reference#320-sql语句的优化
	https://github.com/wdnmdpython/interview_internal_reference#321-数据库索引的底层实现原理和优化
	https://github.com/wdnmdpython/interview_internal_reference#322-http和https的主要区别
	https://github.com/wdnmdpython/interview_internal_reference#323-如何设计一个高并发的系统
	https://github.com/wdnmdpython/interview_internal_reference#324-两条相交的单向链表如何求他们的第一个公共节点
	https://github.com/wdnmdpython/interview_internal_reference#325-求单向局部循环链表的环入口
	https://github.com/wdnmdpython/interview_internal_reference#326-ip地址如何在数据库中存储
	https://github.com/wdnmdpython/interview_internal_reference#327-newdelete和mallocfree的底层实现
	https://github.com/wdnmdpython/interview_internal_reference#328-overloadoverrideoverwrite的介绍
	https://github.com/wdnmdpython/interview_internal_reference#329-小端大端机器
	https://github.com/wdnmdpython/interview_internal_reference#330-守护进程
	https://github.com/wdnmdpython/interview_internal_reference#331-多线程的优缺点
	https://github.com/wdnmdpython/interview_internal_reference#332-长连接与短连接
	https://github.com/wdnmdpython/interview_internal_reference#333-二分图应用于最佳匹配问题游客对房间的满意度之和最大问题
	https://github.com/wdnmdpython/interview_internal_reference#334-class与struct的区别
	https://github.com/wdnmdpython/interview_internal_reference#335-虚函数和纯虚函数
	https://github.com/wdnmdpython/interview_internal_reference#336-menset函数
	https://github.com/wdnmdpython/interview_internal_reference#337-实现一个函数对一个正整数n算得到1需要的最少操作次数操作规则为如果n为偶数将其除以2如果n为奇数可以加1或减1一直处理下去
	https://github.com/wdnmdpython/interview_internal_reference#338-找到满足条件的数组
	https://github.com/wdnmdpython/interview_internal_reference#339-一个大的含有50m个url的记录一个小的含有500个url的记录找出两个记录里相同的url
	https://github.com/wdnmdpython/interview_internal_reference#340-海量日志数据提取出某日访问百度次数最多的那个ip
	https://github.com/wdnmdpython/interview_internal_reference#341-有10个文件每个文件1g每个文件的每一行都存放的是用户的query每个文件的query都可能重复如何按照query的频度排序
	https://github.com/wdnmdpython/interview_internal_reference#342-蚂蚁爬杆问题
	https://github.com/wdnmdpython/interview_internal_reference#343-当在浏览器中输入一个url后回车后台发生了什么比如输入url后你看到了百度的首页那么这一切是如何发生的呢
	https://github.com/wdnmdpython/interview_internal_reference#344-判断两棵树是否相等请实现两棵树是否相等的比较相等返回1否则返回其他值并说明算法复杂度
	https://github.com/wdnmdpython/interview_internal_reference#345-三个警察和三个囚徒的过河问题
	https://github.com/wdnmdpython/interview_internal_reference#346-从300万字符串中找到最热门的10条
	https://github.com/wdnmdpython/interview_internal_reference#347-如何找出字典中的兄弟单词给定一个单词a如果通过交换单词中字母的顺序可以得到另外的单词b那么定义b是a的兄弟单词现在给定一个字典用户输入一个单词如何根据字典找出这个单词有多少个兄弟单词
	https://github.com/wdnmdpython/interview_internal_reference#348-找出数组中出现次数超过一半的数现在有一个数组已知一个数出现的次数超过了一半请用on的复杂度的算法找出这个数
	https://github.com/wdnmdpython/interview_internal_reference#349-找出被修改过的数字
	https://github.com/wdnmdpython/interview_internal_reference#350-设计dns服务器中cache的数据结构要求设计一个dns的cache结构要求能够满足每秒5000以上的查询满足ip数据的快速插入查询的速度要快题目还给出了一系列的数据比如站点数总共为5000万ip地址有1000万等等
	https://github.com/wdnmdpython/interview_internal_reference#351-找出给定字符串对应的序号
	https://github.com/wdnmdpython/interview_internal_reference#352-找出第k大的数字所在的位置写一段程序找出数组中第k大小的数输出数所在的位置例如24347中第一大的数是7位置在4第二大第三大的数都是4位置在13随便输出哪一个均可
	https://github.com/wdnmdpython/interview_internal_reference#353-给40亿个不重复的unsigned-int的整数没排过序的然后再给几个数如何快速判断这几个数是否在那40亿个数当中
	https://github.com/wdnmdpython/interview_internal_reference#354-在一个文件中有10g个整数乱序排列要求找出中位数内存限制为2g
	https://github.com/wdnmdpython/interview_internal_reference#355-时分秒针在一天之类重合多少次24小时
	https://github.com/wdnmdpython/interview_internal_reference#356-将多个集合合并成没有交集的集合
	https://github.com/wdnmdpython/interview_internal_reference#357-平面内有11个点由它们连成48条不同的直线由这些点可连成多少个三角形
	https://github.com/wdnmdpython/interview_internal_reference#腾讯篇
	https://github.com/wdnmdpython/interview_internal_reference#java基础
	https://github.com/wdnmdpython/interview_internal_reference#410-java中的几种基本数据类型是什么各自占用多少字节
	https://github.com/wdnmdpython/interview_internal_reference#411-string类能被继承吗为什么
	https://github.com/wdnmdpython/interview_internal_reference#412-stringstringbufferstringbuilder的区别
	https://github.com/wdnmdpython/interview_internal_reference#413-arraylist和linkedlist有什么区别
	https://github.com/wdnmdpython/interview_internal_reference#414-讲讲类的实例化顺序比如父类静态数据构造函数字段子类静态数据构造函数字段当new的时候他们的执行顺序
	https://github.com/wdnmdpython/interview_internal_reference#415-用过哪些map类都有什么区别hashmap是线程安全的吗并发下使用的map是什么他们内部原理分别是什么比如存储方式hashcode扩容默认容量等
	https://github.com/wdnmdpython/interview_internal_reference#416-java8的concurrenthashmap为什么放弃了分段锁有什么问题吗如果你来设计你如何设计
	https://github.com/wdnmdpython/interview_internal_reference#417-有没有有顺序的map实现类如果有他们是怎么保证有序的
	https://github.com/wdnmdpython/interview_internal_reference#418-抽象类和接口的区别类可以继承多个类么接口可以继承多个接口么类可以实现多个接口么
	https://github.com/wdnmdpython/interview_internal_reference#419-继承和聚合的区别在哪
	https://github.com/wdnmdpython/interview_internal_reference#420-io模型有哪些讲讲你理解的nio-他和bioaio的区别是啥谈谈reactor模型
	https://github.com/wdnmdpython/interview_internal_reference#421-反射的原理反射创建类实例的三种方式是什么
	https://github.com/wdnmdpython/interview_internal_reference#422-反射中classforname和classloader区别-
	https://github.com/wdnmdpython/interview_internal_reference#423-描述动态代理的几种实现方式分别说出相应的优缺点
	https://github.com/wdnmdpython/interview_internal_reference#424-动态代理与cglib实现的区别
	https://github.com/wdnmdpython/interview_internal_reference#425-为什么cglib方式可以对接口实现代理
	https://github.com/wdnmdpython/interview_internal_reference#426-final的用途
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	https://github.com/wdnmdpython/interview_internal_reference#541-数据库的事务实现原理操作过程如何做到事物之间的独立性等问题
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	https://github.com/wdnmdpython/interview_internal_reference#549-分布式raft算法
	https://github.com/wdnmdpython/interview_internal_reference#头条篇
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	https://github.com/wdnmdpython/interview_internal_reference#621-mysql为什么要用b树不用平衡二叉树做索引结构
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	https://github.com/wdnmdpython/interview_internal_reference#623-使用int-做primary-key和使用string-有什么优劣
	https://github.com/wdnmdpython/interview_internal_reference#624-数据库分表的方法
	https://github.com/wdnmdpython/interview_internal_reference#625-表结构订单纪录如下写一个语句求卖的最好的-top-10-product_id
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	https://github.com/wdnmdpython/interview_internal_reference#627-不使用高级工具只使用linux自带的工具你会如何debug
	https://github.com/wdnmdpython/interview_internal_reference#628-如何预估一个mysql语句的性能
	https://github.com/wdnmdpython/interview_internal_reference#629-go函数中返回值未命名发生了panic但是在函数内recover了函数返回什么值
	https://github.com/wdnmdpython/interview_internal_reference#630-socket中在tcp协议层面数据分为10个报文发放1-7次很顺利第8次丢失这次通信一定失败吗如果第8次数据会重发那在接收端是不是先读取到1-7次的数据然后读取到8-10次的数据还是9-10次的数据会先到达
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	https://github.com/wdnmdpython/interview_internal_reference#633-僵尸进程是什么如果产生一个僵尸进程如何查找僵尸进程
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	https://github.com/wdnmdpython/interview_internal_reference#滴滴篇
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	https://github.com/wdnmdpython/interview_internal_reference#京东篇
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	https://github.com/wdnmdpython/interview_internal_reference#817-反爬虫如果是你如何进行反爬虫如何绕过反爬措施-使用无头浏览器被检测到了如何绕过
	https://github.com/wdnmdpython/interview_internal_reference#818-nmap扫描如何进行扫描发包与协议握手和不握手哪些协议握手哪些不握手-如何不直接接触目标服务器探测对方端口是否开放
	https://github.com/wdnmdpython/interview_internal_reference#819-有没有自己编写过yara扫描模块如果要解决扫描k1v1-k2v2-k3v3-保证同时在k1中的v1里出现特定值k2中出现v2特定值以及k3v3怎么实现
	https://github.com/wdnmdpython/interview_internal_reference#820-xss什么原理如何自己实现一个beef类似的xss平台-既然这样实现面临的跨域如何解决
	https://github.com/wdnmdpython/interview_internal_reference#821-ip-频率限制-ip信誉度模型
	https://github.com/wdnmdpython/interview_internal_reference#822-sctp协议是什么如何使用-sctp-优化网络
	https://github.com/wdnmdpython/interview_internal_reference#mysql篇
9.1.0 主键超键候选键外键	https://github.com/wdnmdpython/interview_internal_reference/blob/master/09.MySQL%E7%AF%87/9.1.0%20%E4%B8%BB%E9%94%AE%20%E8%B6%85%E9%94%AE%20%E5%80%99%E9%80%89%E9%94%AE%20%E5%A4%96%E9%94%AE.md
	https://github.com/wdnmdpython/interview_internal_reference#910-主键-超键-候选键-外键
9.1.1 数据库事务的四个特性及含义	https://github.com/wdnmdpython/interview_internal_reference/blob/master/09.MySQL%E7%AF%87/9.1.1%20%E6%95%B0%E6%8D%AE%E5%BA%93%E4%BA%8B%E5%8A%A1%E7%9A%84%E5%9B%9B%E4%B8%AA%E7%89%B9%E6%80%A7%E5%8F%8A%E5%90%AB%E4%B9%89.md
	https://github.com/wdnmdpython/interview_internal_reference#911-数据库事务的四个特性及含义
9.1.2 视图的作用，视图可以更改么？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/09.MySQL%E7%AF%87/9.1.2%20%E8%A7%86%E5%9B%BE%E7%9A%84%E4%BD%9C%E7%94%A8%EF%BC%8C%E8%A7%86%E5%9B%BE%E5%8F%AF%E4%BB%A5%E6%9B%B4%E6%94%B9%E4%B9%88%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#912-视图的作用视图可以更改么
9.1.3 drop,delete与truncate的区别	https://github.com/wdnmdpython/interview_internal_reference/blob/master/09.MySQL%E7%AF%87/9.1.3%20drop%2Cdelete%E4%B8%8Etruncate%E7%9A%84%E5%8C%BA%E5%88%AB.md
	https://github.com/wdnmdpython/interview_internal_reference#913-dropdelete与truncate的区别
9.1.4 索引的工作原理及其种类	https://github.com/wdnmdpython/interview_internal_reference/blob/master/09.MySQL%E7%AF%87/9.1.4%20%E7%B4%A2%E5%BC%95%E7%9A%84%E5%B7%A5%E4%BD%9C%E5%8E%9F%E7%90%86%E5%8F%8A%E5%85%B6%E7%A7%8D%E7%B1%BB.md
	https://github.com/wdnmdpython/interview_internal_reference#914-索引的工作原理及其种类
9.1.5 连接的种类	https://github.com/wdnmdpython/interview_internal_reference/blob/master/09.MySQL%E7%AF%87/9.1.5%20%E8%BF%9E%E6%8E%A5%E7%9A%84%E7%A7%8D%E7%B1%BB.md
	https://github.com/wdnmdpython/interview_internal_reference#915-连接的种类
9.1.6 数据库范式	https://github.com/wdnmdpython/interview_internal_reference/blob/master/09.MySQL%E7%AF%87/9.1.6%20%E6%95%B0%E6%8D%AE%E5%BA%93%E8%8C%83%E5%BC%8F.md
	https://github.com/wdnmdpython/interview_internal_reference#916-数据库范式
9.1.7 数据库优化的思路	https://github.com/wdnmdpython/interview_internal_reference/blob/master/09.MySQL%E7%AF%87/9.1.7%20%E6%95%B0%E6%8D%AE%E5%BA%93%E4%BC%98%E5%8C%96%E7%9A%84%E6%80%9D%E8%B7%AF.md
	https://github.com/wdnmdpython/interview_internal_reference#917-数据库优化的思路
9.1.8 存储过程与触发器的区别	https://github.com/wdnmdpython/interview_internal_reference/blob/master/09.MySQL%E7%AF%87/9.1.8%20%E5%AD%98%E5%82%A8%E8%BF%87%E7%A8%8B%E4%B8%8E%E8%A7%A6%E5%8F%91%E5%99%A8%E7%9A%84%E5%8C%BA%E5%88%AB.md
	https://github.com/wdnmdpython/interview_internal_reference#918-存储过程与触发器的区别
	https://github.com/wdnmdpython/interview_internal_reference#redis篇
10.1.0 使用Redis有哪些好处？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/10.Redis%E7%AF%87/10.1.0%20%E4%BD%BF%E7%94%A8Redis%E6%9C%89%E5%93%AA%E4%BA%9B%E5%A5%BD%E5%A4%84%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1010-使用redis有哪些好处
10.1.1 redis相比memcached有哪些优势？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/10.Redis%E7%AF%87/10.1.1%20redis%E7%9B%B8%E6%AF%94memcached%E6%9C%89%E5%93%AA%E4%BA%9B%E4%BC%98%E5%8A%BF%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1011-redis相比memcached有哪些优势
10.1.2 redis常见性能问题和解决方案	https://github.com/wdnmdpython/interview_internal_reference/blob/master/10.Redis%E7%AF%87/10.1.2%20redis%E5%B8%B8%E8%A7%81%E6%80%A7%E8%83%BD%E9%97%AE%E9%A2%98%E5%92%8C%E8%A7%A3%E5%86%B3%E6%96%B9%E6%A1%88.md
	https://github.com/wdnmdpython/interview_internal_reference#1012-redis常见性能问题和解决方案
10.1.3 MySQL里有2000w数据，redis中只存20w的数据，如何保证redis中的数据都是热点数据	https://github.com/wdnmdpython/interview_internal_reference/blob/master/10.Redis%E7%AF%87/10.1.3%20MySQL%E9%87%8C%E6%9C%892000w%E6%95%B0%E6%8D%AE%EF%BC%8Credis%E4%B8%AD%E5%8F%AA%E5%AD%9820w%E7%9A%84%E6%95%B0%E6%8D%AE%EF%BC%8C%E5%A6%82%E4%BD%95%E4%BF%9D%E8%AF%81redis%E4%B8%AD%E7%9A%84%E6%95%B0%E6%8D%AE%E9%83%BD%E6%98%AF%E7%83%AD%E7%82%B9%E6%95%B0%E6%8D%AE.md
	https://github.com/wdnmdpython/interview_internal_reference#1013-mysql里有2000w数据redis中只存20w的数据如何保证redis中的数据都是热点数据
10.1.4 Memcache与Redis的区别都有哪些？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/10.Redis%E7%AF%87/10.1.4%20Memcache%E4%B8%8ERedis%E7%9A%84%E5%8C%BA%E5%88%AB%E9%83%BD%E6%9C%89%E5%93%AA%E4%BA%9B%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1014-memcache与redis的区别都有哪些
10.1.5 Redis 常见的性能问题都有哪些？如何解决？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/10.Redis%E7%AF%87/10.1.5%20Redis%20%E5%B8%B8%E8%A7%81%E7%9A%84%E6%80%A7%E8%83%BD%E9%97%AE%E9%A2%98%E9%83%BD%E6%9C%89%E5%93%AA%E4%BA%9B%EF%BC%9F%E5%A6%82%E4%BD%95%E8%A7%A3%E5%86%B3%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1015-redis-常见的性能问题都有哪些如何解决
	https://github.com/wdnmdpython/interview_internal_reference#1016-redis-最适合的场景
10.1.7 Redis的同步机制了解么？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/10.Redis%E7%AF%87/10.1.7%20Redis%E7%9A%84%E5%90%8C%E6%AD%A5%E6%9C%BA%E5%88%B6%E4%BA%86%E8%A7%A3%E4%B9%88%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1017-redis的同步机制了解么
10.1.8 是否使用过Redis集群，集群的原理是什么？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/10.Redis%E7%AF%87/10.1.8%20%E6%98%AF%E5%90%A6%E4%BD%BF%E7%94%A8%E8%BF%87Redis%E9%9B%86%E7%BE%A4%EF%BC%8C%E9%9B%86%E7%BE%A4%E7%9A%84%E5%8E%9F%E7%90%86%E6%98%AF%E4%BB%80%E4%B9%88%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1018-是否使用过redis集群集群的原理是什么
	https://github.com/wdnmdpython/interview_internal_reference#1019-redis集群如何保证一致性
	https://github.com/wdnmdpython/interview_internal_reference#mongodb篇
11.1.0 什么是MongoDB？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.1.0%20%E4%BB%80%E4%B9%88%E6%98%AFMongoDB%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1110-什么是mongodb
11.1.1 MongoDB是由哪种语言写的？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.1.1%20MongoDB%E6%98%AF%E7%94%B1%E5%93%AA%E7%A7%8D%E8%AF%AD%E8%A8%80%E5%86%99%E7%9A%84%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1111-mongodb是由哪种语言写的
11.1.2 MongoDB的优势有哪些？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.1.2%20MongoDB%E7%9A%84%E4%BC%98%E5%8A%BF%E6%9C%89%E5%93%AA%E4%BA%9B%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1112-mongodb的优势有哪些
11.1.3 什么是数据库？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.1.3%20%E4%BB%80%E4%B9%88%E6%98%AF%E6%95%B0%E6%8D%AE%E5%BA%93%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1113-什么是数据库
11.1.4 什么是集合？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.1.4%20%E4%BB%80%E4%B9%88%E6%98%AF%E9%9B%86%E5%90%88%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1114-什么是集合
11.1.5 什么是文档？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.1.5%20%E4%BB%80%E4%B9%88%E6%98%AF%E6%96%87%E6%A1%A3%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1115-什么是文档
11.1.6 MongoDB和关系型数据库术语对比图	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.1.6%20MongoDB%E5%92%8C%E5%85%B3%E7%B3%BB%E5%9E%8B%E6%95%B0%E6%8D%AE%E5%BA%93%E6%9C%AF%E8%AF%AD%E5%AF%B9%E6%AF%94%E5%9B%BE.md
	https://github.com/wdnmdpython/interview_internal_reference#1116-mongodb和关系型数据库术语对比图
11.1.7 什么是“mongod”？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.1.7%20%E4%BB%80%E4%B9%88%E6%98%AF%E2%80%9Cmongod%E2%80%9D%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1117-什么是mongod
11.1.8 “mongod”参数有什么？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.1.8%20%E2%80%9Cmongod%E2%80%9D%E5%8F%82%E6%95%B0%E6%9C%89%E4%BB%80%E4%B9%88%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1118-mongod参数有什么
11.1.9 什么是“mongo”？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.1.9%20%E4%BB%80%E4%B9%88%E6%98%AF%E2%80%9Cmongo%E2%80%9D%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1119-什么是mongo
11.2.0 MongoDB哪个命令可以切换数据库？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.2.0%20MongoDB%E5%93%AA%E4%B8%AA%E5%91%BD%E4%BB%A4%E5%8F%AF%E4%BB%A5%E5%88%87%E6%8D%A2%E6%95%B0%E6%8D%AE%E5%BA%93%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1120-mongodb哪个命令可以切换数据库
11.2.1 什么是非关系型数据库？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.2.1%20%E4%BB%80%E4%B9%88%E6%98%AF%E9%9D%9E%E5%85%B3%E7%B3%BB%E5%9E%8B%E6%95%B0%E6%8D%AE%E5%BA%93%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1121-什么是非关系型数据库
11.2.2 非关系型数据库有哪些类型？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.2.2%20%E9%9D%9E%E5%85%B3%E7%B3%BB%E5%9E%8B%E6%95%B0%E6%8D%AE%E5%BA%93%E6%9C%89%E5%93%AA%E4%BA%9B%E7%B1%BB%E5%9E%8B%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1122-非关系型数据库有哪些类型
11.2.3 为什么用MongoDB？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.2.3%20%E4%B8%BA%E4%BB%80%E4%B9%88%E7%94%A8MOngoDB%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1123-为什么用mongodb
11.2.4 在哪些场景使用MongoDB？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.2.4%20%E5%9C%A8%E5%93%AA%E4%BA%9B%E5%9C%BA%E6%99%AF%E4%BD%BF%E7%94%A8MongoDB%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1124-在哪些场景使用mongodb
	https://github.com/wdnmdpython/interview_internal_reference#1125-mongodb中的命名空间是什么意思
	https://github.com/wdnmdpython/interview_internal_reference#1126-哪些语言支持mongodb
11.2.7 在MongoDB中如何创建一个新的数据库？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.2.7%20%E5%9C%A8MongoDB%E4%B8%AD%E5%A6%82%E4%BD%95%E5%88%9B%E5%BB%BA%E4%B8%80%E4%B8%AA%E6%96%B0%E7%9A%84%E6%95%B0%E6%8D%AE%E5%BA%93%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1127-在mongodb中如何创建一个新的数据库
11.2.8 在MongoDB中如何查看数据库列表？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.2.8%20%E5%9C%A8MongoDB%E4%B8%AD%E5%A6%82%E4%BD%95%E6%9F%A5%E7%9C%8B%E6%95%B0%E6%8D%AE%E5%BA%93%E5%88%97%E8%A1%A8%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1128-在mongodb中如何查看数据库列表
11.2.9 MongoDB中的分片是什么意思？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.2.9%20MongoDB%E4%B8%AD%E7%9A%84%E5%88%86%E7%89%87%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1129-mongodb中的分片是什么意思
11.3.0 如何查看使用MongoDB的连接？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.3.0%20%E5%A6%82%E4%BD%95%E6%9F%A5%E7%9C%8B%E4%BD%BF%E7%94%A8MongoDB%E7%9A%84%E8%BF%9E%E6%8E%A5%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1130-如何查看使用mongodb的连接
11.3.1 什么是复制？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.3.1%20%E4%BB%80%E4%B9%88%E6%98%AF%E5%A4%8D%E5%88%B6%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1131-什么是复制
11.3.2 在MongoDB中如何在集合中插入一个文档？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.3.2%20%E5%9C%A8MongoDB%E4%B8%AD%E5%A6%82%E4%BD%95%E5%9C%A8%E9%9B%86%E5%90%88%E4%B8%AD%E6%8F%92%E5%85%A5%E4%B8%80%E4%B8%AA%E6%96%87%E6%A1%A3%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1132-在mongodb中如何在集合中插入一个文档
11.3.3 在MongoDB中如何除去一个数据库？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.3.3%20%E5%9C%A8MongoDB%E4%B8%AD%E5%A6%82%E4%BD%95%E9%99%A4%E5%8E%BB%E4%B8%80%E4%B8%AA%E6%95%B0%E6%8D%AE%E5%BA%93%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1133-在mongodb中如何除去一个数据库
11.3.4 在MongoDB中如何创建一个集合？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.3.4%20%E5%9C%A8MongoDB%E4%B8%AD%E5%A6%82%E4%BD%95%E5%88%9B%E5%BB%BA%E4%B8%80%E4%B8%AA%E9%9B%86%E5%90%88%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1134-在mongodb中如何创建一个集合
11.3.5 在MongoDB中如何查看一个已经创建的集合？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.3.5%20%E5%9C%A8MongoDB%E4%B8%AD%E5%A6%82%E4%BD%95%E6%9F%A5%E7%9C%8B%E4%B8%80%E4%B8%AA%E5%B7%B2%E7%BB%8F%E5%88%9B%E5%BB%BA%E7%9A%84%E9%9B%86%E5%90%88%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1135-在mongodb中如何查看一个已经创建的集合
11.3.6 在MongoDB中如何删除一个集合？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.3.6%20%E5%9C%A8MongoDB%E4%B8%AD%E5%A6%82%E4%BD%95%E5%88%A0%E9%99%A4%E4%B8%80%E4%B8%AA%E9%9B%86%E5%90%88%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1136-在mongodb中如何删除一个集合
11.3.7 为什么要在MongoDB中使用分析器？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.3.7%20%E4%B8%BA%E4%BB%80%E4%B9%88%E8%A6%81%E5%9C%A8MongoDB%E4%B8%AD%E4%BD%BF%E7%94%A8%E5%88%86%E6%9E%90%E5%99%A8%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1137-为什么要在mongodb中使用分析器
11.3.8 MongoDB支持主键外键关系吗？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.3.8%20MongoDB%E6%94%AF%E6%8C%81%E4%B8%BB%E9%94%AE%E5%A4%96%E9%94%AE%E5%85%B3%E7%B3%BB%E5%90%97%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1138-mongodb支持主键外键关系吗
11.3.9 MongoDB支持哪些数据类型？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.3.9%20MongoDB%E6%94%AF%E6%8C%81%E5%93%AA%E4%BA%9B%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1139-mongodb支持哪些数据类型
	https://github.com/wdnmdpython/interview_internal_reference#1140-为什么要在mongodb中用code数据类型
	https://github.com/wdnmdpython/interview_internal_reference#1141-为什么要在mongodb中用regular-expression数据类型
	https://github.com/wdnmdpython/interview_internal_reference#1142-为什么在mongodb中使用object-id数据类型
11.4.3 如何在集合中插入一个文档？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.4.3%20%E5%A6%82%E4%BD%95%E5%9C%A8%E9%9B%86%E5%90%88%E4%B8%AD%E6%8F%92%E5%85%A5%E4%B8%80%E4%B8%AA%E6%96%87%E6%A1%A3%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1143-如何在集合中插入一个文档
11.4.4 “ObjectID”有哪些部分组成？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.4.4%20%E2%80%9CObjectID%E2%80%9D%E6%9C%89%E5%93%AA%E4%BA%9B%E9%83%A8%E5%88%86%E7%BB%84%E6%88%90%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1144-objectid有哪些部分组成
11.4.5 在MongoDB中什么是索引？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.4.5%20%E5%9C%A8MongoDb%E4%B8%AD%E4%BB%80%E4%B9%88%E6%98%AF%E7%B4%A2%E5%BC%95%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1145-在mongodb中什么是索引
11.4.6 如何添加索引？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.4.6%20%E5%A6%82%E4%BD%95%E6%B7%BB%E5%8A%A0%E7%B4%A2%E5%BC%95%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1146-如何添加索引
11.4.7 MongoDB有哪些可替代产品？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.4.7%20MongoDB%E6%9C%89%E5%93%AA%E4%BA%9B%E5%8F%AF%E6%9B%BF%E4%BB%A3%E4%BA%A7%E5%93%81%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1147-mongodb有哪些可替代产品
11.4.8 如何查询集合中的文档？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.4.8%20%E5%A6%82%E4%BD%95%E6%9F%A5%E8%AF%A2%E9%9B%86%E5%90%88%E4%B8%AD%E7%9A%84%E6%96%87%E6%A1%A3%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1148-如何查询集合中的文档
11.4.9 用什么方法可以格式化输出结果？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.4.9%20%E7%94%A8%E4%BB%80%E4%B9%88%E6%96%B9%E6%B3%95%E5%8F%AF%E4%BB%A5%E6%A0%BC%E5%BC%8F%E5%8C%96%E8%BE%93%E5%87%BA%E7%BB%93%E6%9E%9C%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1149-用什么方法可以格式化输出结果
	https://github.com/wdnmdpython/interview_internal_reference#1150-如何使用and或or条件循环查询集合中的文档
11.5.1 在MongoDB中如何更新数据？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.5.1%20%E5%9C%A8MongoDB%E4%B8%AD%E5%A6%82%E4%BD%95%E6%9B%B4%E6%96%B0%E6%95%B0%E6%8D%AE%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1151-在mongodb中如何更新数据
11.5.2 如何删除文档？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.5.2%20%E5%A6%82%E4%BD%95%E5%88%A0%E9%99%A4%E6%96%87%E6%A1%A3%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1152-如何删除文档
11.5.3 在MongoDB中如何排序？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.5.3%20%E5%9C%A8MongoDB%E4%B8%AD%E5%A6%82%E4%BD%95%E6%8E%92%E5%BA%8F%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1153-在mongodb中如何排序
11.5.4 什么是聚合？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.5.4%20%E4%BB%80%E4%B9%88%E6%98%AF%E8%81%9A%E5%90%88%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1154-什么是聚合
11.5.5 在MongoDB中什么是副本集？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/11.MongoDB%E7%AF%87/11.5.5%20%E5%9C%A8MongoDB%E4%B8%AD%E4%BB%80%E4%B9%88%E6%98%AF%E5%89%AF%E6%9C%AC%E9%9B%86%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1155-在mongodb中什么是副本集
	https://github.com/wdnmdpython/interview_internal_reference#1156-mongodb存储特性与内部原理
	https://github.com/wdnmdpython/interview_internal_reference#zookeeper篇
12.1.0 zookeeper是什么？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.1.0%20zookeeper%E6%98%AF%E4%BB%80%E4%B9%88%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1210-zookeeper是什么
12.1.1 zookeeper提供了什么？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.1.1%20zookeeper%E6%8F%90%E4%BE%9B%E4%BA%86%E4%BB%80%E4%B9%88%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1211-zookeeper提供了什么
12.1.2 zookeeper文件系统	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.1.2%20zookeeper%E6%96%87%E4%BB%B6%E7%B3%BB%E7%BB%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1212-zookeeper文件系统
12.1.3 zookeeper的四种类型的znode	https://github.com/0voice/interview_internal_reference/blob/master/12.1.3%20zookeeper%E7%9A%84%E5%9B%9B%E7%A7%8D%E7%B1%BB%E5%9E%8B%E7%9A%84znode.md
	https://github.com/wdnmdpython/interview_internal_reference#1213-zookeeper的四种类型的znode
12.1.4 zookeeper通知机制	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.1.4%20zookeeper%E9%80%9A%E7%9F%A5%E6%9C%BA%E5%88%B6.md
	https://github.com/wdnmdpython/interview_internal_reference#1214-zookeeper通知机制
12.1.5 zookeeper有哪些应用场景？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.1.5%20zookeeper%E6%9C%89%E5%93%AA%E4%BA%9B%E5%BA%94%E7%94%A8%E5%9C%BA%E6%99%AF%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1215-zookeeper有哪些应用场景
12.1.6 zk的命名服务	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.1.6%20zk%E7%9A%84%E5%91%BD%E5%90%8D%E6%9C%8D%E5%8A%A1.md
	https://github.com/wdnmdpython/interview_internal_reference#1216-zk的命名服务
12.1.7 zk的配置管理服务	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.1.7%20zk%E7%9A%84%E9%85%8D%E7%BD%AE%E7%AE%A1%E7%90%86%E6%9C%8D%E5%8A%A1.md
	https://github.com/wdnmdpython/interview_internal_reference#1217-zk的配置管理服务
12.1.8 zk的集群管理	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.1.8%20zk%E7%9A%84%E9%9B%86%E7%BE%A4%E7%AE%A1%E7%90%86.md
	https://github.com/wdnmdpython/interview_internal_reference#1218-zk的集群管理
12.1.9 zk的分布式锁	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.1.9%20zk%E7%9A%84%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81.md
	https://github.com/wdnmdpython/interview_internal_reference#1219-zk的分布式锁
12.2.0 zk队列管理	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.2.0%20zk%E9%98%9F%E5%88%97%E7%AE%A1%E7%90%86.md
	https://github.com/wdnmdpython/interview_internal_reference#1220-zk队列管理
12.2.1 zk数据复制	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.2.1%20zk%E6%95%B0%E6%8D%AE%E5%A4%8D%E5%88%B6.md
	https://github.com/wdnmdpython/interview_internal_reference#1221-zk数据复制
12.2.2 zk的工作原理	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.2.2%20zk%E7%9A%84%E5%B7%A5%E4%BD%9C%E5%8E%9F%E7%90%86.md
	https://github.com/wdnmdpython/interview_internal_reference#1222-zk的工作原理
12.2.3 zk是如何保证事物的顺序一致性	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.2.3%20zk%E6%98%AF%E5%A6%82%E4%BD%95%E4%BF%9D%E8%AF%81%E4%BA%8B%E7%89%A9%E7%9A%84%E9%A1%BA%E5%BA%8F%E4%B8%80%E8%87%B4%E6%80%A7.md
	https://github.com/wdnmdpython/interview_internal_reference#1223-zk是如何保证事物的顺序一致性
12.2.4 zk集群下server工作状态	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.2.4%20zk%E9%9B%86%E7%BE%A4%E4%B8%8Bserver%E5%B7%A5%E4%BD%9C%E7%8A%B6%E6%80%81.md
	https://github.com/wdnmdpython/interview_internal_reference#1224-zk集群下server工作状态
12.2.5 zk是如何选举Leader的？	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.2.5%20zk%E6%98%AF%E5%A6%82%E4%BD%95%E9%80%89%E4%B8%BELeader%E7%9A%84%EF%BC%9F.md
	https://github.com/wdnmdpython/interview_internal_reference#1225-zk是如何选举leader的
12.2.6 zk同步流程	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.2.6%20zk%E5%90%8C%E6%AD%A5%E6%B5%81%E7%A8%8B.md
	https://github.com/wdnmdpython/interview_internal_reference#1226-zk同步流程
12.2.7 分布式通知和协调	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.2.7%20%E5%88%86%E5%B8%83%E5%BC%8F%E9%80%9A%E7%9F%A5%E5%92%8C%E5%8D%8F%E8%B0%83.md
	https://github.com/wdnmdpython/interview_internal_reference#1227-分布式通知和协调
12.2.8 zk的session机制	https://github.com/wdnmdpython/interview_internal_reference/blob/master/12.Zookeeper%E7%AF%87/12.2.8%20zk%E7%9A%84session%E6%9C%BA%E5%88%B6.md
	https://github.com/wdnmdpython/interview_internal_reference#1228-zk的session机制
	https://github.com/wdnmdpython/interview_internal_reference#nginx篇
	https://github.com/wdnmdpython/interview_internal_reference#1310-请解释一下什么是nginx
	https://github.com/wdnmdpython/interview_internal_reference#1311-请列举nginx的一些特性
	https://github.com/wdnmdpython/interview_internal_reference#1312-请列举nginx和apache-之间的不同点
	https://github.com/wdnmdpython/interview_internal_reference#1313-请解释nginx如何处理http请求
	https://github.com/wdnmdpython/interview_internal_reference#1314-在nginx中如何使用未定义的服务器名称来阻止处理请求
	https://github.com/wdnmdpython/interview_internal_reference#1315-使用反向代理服务器的优点是什么
	https://github.com/wdnmdpython/interview_internal_reference#1316-请列举nginx服务器的最佳用途
	https://github.com/wdnmdpython/interview_internal_reference#1317-请解释nginx服务器上的master和worker进程分别是什么
	https://github.com/wdnmdpython/interview_internal_reference#1318-请解释你如何通过不同于80的端口开启nginx
	https://github.com/wdnmdpython/interview_internal_reference#1319--请解释是否有可能将nginx的错误替换为502错误503
	https://github.com/wdnmdpython/interview_internal_reference#1320-在nginx中解释如何在url中保留双斜线
	https://github.com/wdnmdpython/interview_internal_reference#1321-请解释ngx_http_upstream_module的作用是什么
	https://github.com/wdnmdpython/interview_internal_reference#1322-请解释什么是c10k问题后来是怎么解决的
	https://github.com/wdnmdpython/interview_internal_reference#1323-请陈述stub_status和sub_filter指令的作用是什么
	https://github.com/wdnmdpython/interview_internal_reference#1324-解释nginx是否支持将请求压缩到上游
	https://github.com/wdnmdpython/interview_internal_reference#1325-解释如何在nginx中获得当前的时间
	https://github.com/wdnmdpython/interview_internal_reference#1326-用nginx服务器解释-s的目的是什么
	https://github.com/wdnmdpython/interview_internal_reference#1327-解释如何在nginx服务器上添加模块
	https://github.com/wdnmdpython/interview_internal_reference#1328-nginx中多个work进程是如何监听同一个端口的如何处理客户连接的惊群问题
	https://github.com/wdnmdpython/interview_internal_reference#1329-nginx程序的热更新是如何做的
	https://github.com/wdnmdpython/interview_internal_reference/blob/master/arch.jpg
	https://github.com/wdnmdpython/interview_internal_reference#鸣谢
	https://github.com/wdnmdpython/interview_internal_reference#感谢各位贡献patch的朋友-还很多在issue里面出谋划策的朋友为此衷心感谢使得该repo能够在github趋势榜持续一周时间问鼎排行榜
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