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From "James Peach (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-7963) Task groups can lose the container limitation status.
Date Mon, 18 Sep 2017 23:28:00 GMT

    [ https://issues.apache.org/jira/browse/MESOS-7963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16170890#comment-16170890
] 

James Peach commented on MESOS-7963:
------------------------------------

/cc [~jieyu] This covers the executor container limitation we discussed on the Slack channel.

> Task groups can lose the container limitation status.
> -----------------------------------------------------
>
>                 Key: MESOS-7963
>                 URL: https://issues.apache.org/jira/browse/MESOS-7963
>             Project: Mesos
>          Issue Type: Bug
>          Components: containerization, executor
>            Reporter: James Peach
>
> If you run a single task in a task group and that task fails with a container limitation,
that status update can be lost and only the executor failure will be reported to the framework.
> {noformat}
> exec /opt/mesos/bin/mesos-execute --content_type=json --master=jpeach.apple.com:5050
'--task_group={
> "tasks":
>     [
>         {
>             "name": "7f141aca-55fe-4bb0-af4b-87f5ee26986a",
>             "task_id": {"value" : "2866368d-7279-4657-b8eb-bf1d968e8ebf"},
>             "agent_id": {"value" : ""},
>             "resources": [{
>                 "name": "cpus",
>                 "type": "SCALAR",
>                 "scalar": {
>                     "value": 0.2
>                 }
>             }, {
>                 "name": "mem",
>                 "type": "SCALAR",
>                 "scalar": {
>                     "value": 32
>                 }
>             }, {
>                 "name": "disk",
>                 "type": "SCALAR",
>                 "scalar": {
>                     "value": 2
>                 }
>             }
>             ],
>             "command": {
>                 "value": "sleep 2 ; /usr/bin/dd if=/dev/zero of=out.dat bs=1M count=64
; sleep 10000"
>             }
>         }
>     ]
> }'
> I0911 11:48:01.480689  7340 scheduler.cpp:184] Version: 1.5.0
> I0911 11:48:01.488868  7339 scheduler.cpp:470] New master detected at master@17.228.224.108:5050
> Subscribed with ID aabd0847-aabc-4eb4-9c66-7d91fc9e9c32-0010
> Submitted task group with tasks [ 2866368d-7279-4657-b8eb-bf1d968e8ebf ] to agent 'aabd0847-aabc-4eb4-9c66-7d91fc9e9c32-S0'
> Received status update TASK_RUNNING for task '2866368d-7279-4657-b8eb-bf1d968e8ebf'
>   source: SOURCE_EXECUTOR
> Received status update TASK_FAILED for task '2866368d-7279-4657-b8eb-bf1d968e8ebf'
>   message: 'Command terminated with signal Killed'
>   source: SOURCE_EXECUTOR
> {noformat}
> However, the agent logs show that this failed with a memory limitation:
> {noformat}
> I0911 11:48:02.235818  7012 http.cpp:532] Processing call WAIT_NESTED_CONTAINER
> I0911 11:48:02.236395  7013 status_update_manager.cpp:323] Received status update TASK_RUNNING
(UUID: 85e7a8e8-22a7-4561-9000-2cd6d93502d9) for task 2866368d-7279-4657-b8eb-bf1d968e8ebf
of framework aabd0847-aabc-4eb4-9c66-7d91fc9e9c32-0010
> I0911 11:48:02.237083  7016 slave.cpp:4875] Forwarding the update TASK_RUNNING (UUID:
85e7a8e8-22a7-4561-9000-2cd6d93502d9) for task 2866368d-7279-4657-b8eb-bf1d968e8ebf of framework
aabd0847-aabc-4eb4-9c66-7d91fc9e9c32-0010 to master@17.228.224.108:5050
> I0911 11:48:02.283661  7007 status_update_manager.cpp:395] Received status update acknowledgement
(UUID: 85e7a8e8-22a7-4561-9000-2cd6d93502d9) for task 2866368d-7279-4657-b8eb-bf1d968e8ebf
of framework aabd0847-aabc-4eb4-9c66-7d91fc9e9c32-0010
> I0911 11:48:04.771455  7014 memory.cpp:516] OOM detected for container 474388fe-43c3-4372-b903-eaca22740996
> I0911 11:48:04.776445  7014 memory.cpp:556] Memory limit exceeded: Requested: 64MB Maximum
Used: 64MB
> ...
> I0911 11:48:04.776943  7012 containerizer.cpp:2681] Container 474388fe-43c3-4372-b903-eaca22740996
has reached its limit for resource [{"name":"mem","scalar":{"value":64.0},"type":"SCALAR"}]
and will be terminated
> {noformat}
> The following {{mesos-execute}} task will show the container limitation correctly:
> {noformat}
> exec /opt/mesos/bin/mesos-execute --content_type=json --master=jpeach.apple.com:5050
'--task_group={
> "tasks":
>     [
>         {
>             "name": "37db08f6-4f0f-4ef6-97ee-b10a5c5cc211",
>             "task_id": {"value" : "1372b2e2-c501-4e80-bcbd-1a5c5194e206"},
>             "agent_id": {"value" : ""},
>             "resources": [{
>                 "name": "cpus",
>                 "type": "SCALAR",
>                 "scalar": {
>                     "value": 0.2
>                 }
>             },
>             {
>                 "name": "mem",
>                 "type": "SCALAR",
>                 "scalar": {
>                     "value": 32
>                 }
>             }],
>             "command": {
>                 "value": "sleep 600"
>             }
>         }, {
>             "name": "7247643c-5e4d-4b01-9839-e38db49f7f4d",
>             "task_id": {"value" : "a7571608-3a53-4971-a187-41ed8be183ba"},
>             "agent_id": {"value" : ""},
>             "resources": [{
>                 "name": "cpus",
>                 "type": "SCALAR",
>                 "scalar": {
>                     "value": 0.2
>                 }
>             }, {
>                 "name": "mem",
>                 "type": "SCALAR",
>                 "scalar": {
>                     "value": 32
>                 }
>             }, {
>                 "name": "disk",
>                 "type": "SCALAR",
>                 "scalar": {
>                     "value": 2
>                 }
>             }
>             ],
>             "command": {
>                 "value": "sleep 2 ; /usr/bin/dd if=/dev/zero of=out.dat bs=1M count=64
; sleep 10000"
>             }
>         }
>     ]
> }'
> I0911 12:29:17.772161  7655 scheduler.cpp:184] Version: 1.5.0
> I0911 12:29:17.780640  7661 scheduler.cpp:470] New master detected at master@17.228.224.108:5050
> Subscribed with ID aabd0847-aabc-4eb4-9c66-7d91fc9e9c32-0011
> Submitted task group with tasks [ 1372b2e2-c501-4e80-bcbd-1a5c5194e206, a7571608-3a53-4971-a187-41ed8be183ba
] to agent 'aabd0847-aabc-4eb4-9c66-7d91fc9e9c32-S0'
> Received status update TASK_RUNNING for task '1372b2e2-c501-4e80-bcbd-1a5c5194e206'
>   source: SOURCE_EXECUTOR
> Received status update TASK_RUNNING for task 'a7571608-3a53-4971-a187-41ed8be183ba'
>   source: SOURCE_EXECUTOR
> Received status update TASK_FAILED for task '1372b2e2-c501-4e80-bcbd-1a5c5194e206'
>   message: 'Command terminated with signal Killed'
>   source: SOURCE_EXECUTOR
> Received status update TASK_FAILED for task 'a7571608-3a53-4971-a187-41ed8be183ba'
>   message: 'Disk usage (65556KB) exceeds quota (34MB)'
>   source: SOURCE_AGENT
>   reason: REASON_CONTAINER_LIMITATION_DISK
> {noformat}



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