[jira] [Updated] (YARN-6495) check docker container's exit code when writing to cgroup task files

["Jaeboo Jeong (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-6495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jaeboo Jeong updated YARN-6495:
-------------------------------
    Attachment: YARN-6495.003.patch

> check docker container's exit code when writing to cgroup task files
> --------------------------------------------------------------------
>
>                 Key: YARN-6495
>                 URL: https://issues.apache.org/jira/browse/YARN-6495
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>            Reporter: Jaeboo Jeong
>            Assignee: Jim Brennan
>            Priority: Major
>              Labels: Docker
>         Attachments: YARN-6495.001.patch, YARN-6495.002.patch, YARN-6495.003.patch
>
>
> If I execute simple command like date on docker container, the application failed to complete successfully.
> for example, 
> {code}
> $ yarn  jar $HADOOP_HOME/share/hadoop/yarn/hadoop-yarn-applications-distributedshell-2.7.1.jar -shell_env YARN_CONTAINER_RUNTIME_TYPE=docker -shell_env YARN_CONTAINER_RUNTIME_DOCKER_IMAGE=hadoop-docker -shell_command "date" -jar $HADOOP_HOME/share/hadoop/yarn/hadoop-yarn-applications-distributedshell-2.7.1.jar -num_containers 1 -timeout 3600000
> …
> 17/04/12 00:16:40 INFO distributedshell.Client: Application did finished unsuccessfully. YarnState=FINISHED, DSFinalStatus=FAILED. Breaking monitoring loop
> 17/04/12 00:16:40 ERROR distributedshell.Client: Application failed to complete successfully
> {code}
> The error log is like below.
> {code}
> ...
> Failed to write pid to file /cgroup_parent/cpu/hadoop-yarn/container_xxxx/tasks - No such process
> ...
> {code}
> When writing pid to cgroup tasks, container-executor doesn’t check docker container’s status.
> If the container finished very quickly, we can’t write pid to cgroup tasks, and it is not problem.
> So container-executor needs to check docker container’s exit code during writing pid to cgroup tasks.



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