[jira] [Commented] (MESOS-4087) Introduce a module for logging executor/task output

["Joseph Wu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-4087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15045985#comment-15045985 ] 

Joseph Wu commented on MESOS-4087:
----------------------------------

Reviews (WIP):
https://reviews.apache.org/r/41055/
https://reviews.apache.org/r/41057/
https://reviews.apache.org/r/41002/
https://reviews.apache.org/r/41003/
https://reviews.apache.org/r/41004/

> Introduce a module for logging executor/task output
> ---------------------------------------------------
>
>                 Key: MESOS-4087
>                 URL: https://issues.apache.org/jira/browse/MESOS-4087
>             Project: Mesos
>          Issue Type: Task
>          Components: containerization, modules
>            Reporter: Joseph Wu
>            Assignee: Joseph Wu
>              Labels: logging, mesosphere
>
> Existing executor/task logs are logged to files in their sandbox directory, with some nuances based on which containerizer is used (see background section in linked document).
> A logger for executor/task logs has the following requirements:
> * The logger is given a command to run and must handle the stdout/stderr of the command.
> * The handling of stdout/stderr must be resilient across agent failover.  Logging should not stop if the agent fails.
> * Logs should be readable, presumably via the web UI, or via some other module-specific UI.



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