Qian Zhang created MESOS-8877: --------------------------------- Summary: Docker container's resources will be wrongly enlarged in cgroups after agent recovery Key: MESOS-8877 URL: https://issues.apache.org/jira/browse/MESOS-8877 Project: Mesos Issue Type: Bug Components: docker Reporter: Qian Zhang
Reproduce steps: 1. Run `mesos-execute --master=10.0.49.2:5050 --task=[file:///home/qzhang/workspace/config/task_docker.json] --checkpoint=true` to launch a Docker container. {code:java} # cat task_docker.json { "name": "test", "task_id": {"value" : "test"}, "agent_id": {"value" : ""}, "resources": [ {"name": "cpus", "type": "SCALAR", "scalar": {"value": 0.1}}, {"name": "mem", "type": "SCALAR", "scalar": {"value": 32}} ], "command": { "value": "sleep 55555" }, "container": { "type": "DOCKER", "docker": { "image": "alpine" } } } {code} 2. When the Docker container is running, we can see its resources in cgroups are correctly set, so far so good. {code:java} # cat /sys/fs/cgroup/cpu,cpuacct/docker/a711b3c7b0d91cd6d1c7d8daf45a90ff78d2fd66973e615faca55a717ec6b106/cpu.cfs_quota_us 10000 # cat /sys/fs/cgroup/memory/docker/a711b3c7b0d91cd6d1c7d8daf45a90ff78d2fd66973e615faca55a717ec6b106/memory.limit_in_bytes 33554432 {code} 3. Restart Mesos agent, and then we will see the resources of the Docker container will be wrongly enlarged. {code} I0503 02:06:17.268340 29512 docker.cpp:1855] Updated 'cpu.shares' to 204 at /sys/fs/cgroup/cpu,cpuacct/docker/a711b3c7b0d91cd6d1c7d8daf45a90ff78d2fd66973e615faca55a717ec6b106 for container 1b21295b-2f49-4d08-84c7-43b9ae15ad88 I0503 02:06:17.271390 29512 docker.cpp:1882] Updated 'cpu.cfs_period_us' to 100ms and 'cpu.cfs_quota_us' to 20ms (cpus 0.2) for container 1b21295b-2f49-4d08-84c7-43b9ae15ad88 I0503 02:06:17.273082 29512 docker.cpp:1924] Updated 'memory.soft_limit_in_bytes' to 64MB for container 1b21295b-2f49-4d08-84c7-43b9ae15ad88 I0503 02:06:17.275908 29512 docker.cpp:1950] Updated 'memory.limit_in_bytes' to 64MB at /sys/fs/cgroup/memory/docker/a711b3c7b0d91cd6d1c7d8daf45a90ff78d2fd66973e615faca55a717ec6b106 for container 1b21295b-2f49-4d08-84c7-43b9ae15ad88 # cat /sys/fs/cgroup/cpu,cpuacct/docker/a711b3c7b0d91cd6d1c7d8daf45a90ff78d2fd66973e615faca55a717ec6b106/cpu.cfs_quota_us 20000 # cat /sys/fs/cgroup/memory/docker/a711b3c7b0d91cd6d1c7d8daf45a90ff78d2fd66973e615faca55a717ec6b106/memory.limit_in_bytes 67108864 {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)