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From James Peach <jpe...@apache.org>
Subject Re: Review Request 69210: Used the MS_SILENT mount flag to elide unwanted logging.
Date Tue, 30 Oct 2018 21:03:36 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/69210/
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(Updated Oct. 30, 2018, 9:03 p.m.)


Review request for mesos, Gilbert Song, Jason Lai, Jie Yu, and Jiang Yan Xu.


Bugs: MESOS-9319
    https://issues.apache.org/jira/browse/MESOS-9319


Repository: mesos


Description
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After moving the container root filesystem mounts to the
`filesystem/linux` isolator, these mounts are not logged into the task
sandbox by the container launcher. Since these logs are not generally
useful to tasks, and we did't previously emit them, use the `MS_SILENT`
flag to indicate that they don't need to be logged. Since the kernel
doesn't use `MS_SILENT` for anything, we can safely use it internally.


Diffs (updated)
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  src/slave/containerizer/mesos/isolators/filesystem/linux.cpp c7d753ac2e5575a8d687600bfb9e0617fa72c990

  src/slave/containerizer/mesos/launch.cpp 7193da0a094df3e441e185c62b3a0379a0bdc4a2 


Diff: https://reviews.apache.org/r/69210/diff/2/

Changes: https://reviews.apache.org/r/69210/diff/1-2/


Testing
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make check (Fedora 28)


Thanks,

James Peach


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