René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Support for multiple instance types","articleBody":"h/t @emiglietta \n\nIn config:\n`MACHINE_TYPE = ['m5.xlarge','c5.xlarge','c4.xlarge']`\n\n(make sure that the MEMORY allocated to the containers is compatible with all machine types)\n\nIn the fleet file, triplicate the multi-subnet ‘Launch specification’ block (current DCP walks through the list of instances in the config file and matches each one with a launch specification):\n\n```\n{\n  \"IamFleetRole\": \"arn:aws:iam::XXXXXXXXX:role/aws-ec2-spot-fleet-tagging-role\",\n  \"AllocationStrategy\": \"lowestPrice\",\n  \"TerminateInstancesWithExpiration\": true,\n  \"LaunchSpecifications\": [\n    {\n      \"ImageId\": \"ami-0ce03502c5bb5e188\",\n      \"SubnetId\": \"subnet-AAAAAAAAA, subnet-BBBBBBBBB, subnet-CCCCCCCCC, subnet-DDDDDDDDD\",\n      \"KeyName\": \"KEYNAME\",\n      \"IamInstanceProfile\": {\n        \"Arn\": \"arn:aws:iam::XXXXXXXXX:instance-profile/ecsInstanceRole\"\n      },\n      \"SecurityGroups\": [\n        {\n          \"GroupId\": \"sg-ZZZZZZZZZ\"\n        }\n      ],\n      \"BlockDeviceMappings\": [\n        {\n          \"DeviceName\": \"/dev/xvda\",\n          \"Ebs\": {\n            \"DeleteOnTermination\": true,\n            \"VolumeType\": \"gp3\",\n            \"VolumeSize\": 24,\n            \"SnapshotId\": \"snap-0a7b4ece894d62882\"\n          }\n        },\n        {\n          \"DeviceName\": \"/dev/xvdcz\",\n          \"Ebs\": {\n            \"DeleteOnTermination\": true,\n            \"VolumeType\": \"gp3\"\n          }\n        }\n      ]\n    },\n    {\n      \"ImageId\": \"ami-0ce03502c5bb5e188\",\n      \"SubnetId\": \"subnet-AAAAAAAAA, subnet-BBBBBBBBB, subnet-CCCCCCCCC, subnet-DDDDDDDDD\",\n      \"KeyName\": \"KEYNAME\",\n      \"IamInstanceProfile\": {\n        \"Arn\": \"arn:aws:iam::XXXXXXXXX:instance-profile/ecsInstanceRole\"\n      },\n      \"SecurityGroups\": [\n        {\n          \"GroupId\": \"sg-ZZZZZZZZZ\"\n        }\n      ],\n      \"BlockDeviceMappings\": [\n        {\n          \"DeviceName\": \"/dev/xvda\",\n          \"Ebs\": {\n            \"DeleteOnTermination\": true,\n            \"VolumeType\": \"gp3\",\n            \"VolumeSize\": 24,\n            \"SnapshotId\": \"snap-0a7b4ece894d62882\"\n          }\n        },\n        {\n          \"DeviceName\": \"/dev/xvdcz\",\n          \"Ebs\": {\n            \"DeleteOnTermination\": true,\n            \"VolumeType\": \"gp3\"\n          }\n        }\n      ]\n    },\n    {\n      \"ImageId\": \"ami-0ce03502c5bb5e188\",\n      \"SubnetId\": \"subnet-AAAAAAAAA, subnet-BBBBBBBBB, subnet-CCCCCCCCC, subnet-DDDDDDDDD\",\n      \"KeyName\": \"KEYNAME\",\n      \"IamInstanceProfile\": {\n        \"Arn\": \"arn:aws:iam::XXXXXXXXX:instance-profile/ecsInstanceRole\"\n      },\n      \"SecurityGroups\": [\n        {\n          \"GroupId\": \"sg-ZZZZZZZZZ\"\n        }\n      ],\n      \"BlockDeviceMappings\": [\n        {\n          \"DeviceName\": \"/dev/xvda\",\n          \"Ebs\": {\n            \"DeleteOnTermination\": true,\n            \"VolumeType\": \"gp3\",\n            \"VolumeSize\": 24,\n            \"SnapshotId\": \"snap-0a7b4ece894d62882\"\n          }\n        },\n        {\n          \"DeviceName\": \"/dev/xvdcz\",\n          \"Ebs\": {\n            \"DeleteOnTermination\": true,\n            \"VolumeType\": \"gp3\"\n          }\n        }\n      ]\n    }\n  ],\n  \"Type\": \"maintain\"\n}\n```","author":{"url":"https://github.com/ErinWeisbart","@type":"Person","name":"ErinWeisbart"},"datePublished":"2026-05-15T17:03:19.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/216/Distributed-CellProfiler/issues/216"}