[jira] [Assigned] (MESOS-8522) `prepareMounts` in Mesos containerizer is flaky.

["Benjamin Bannier (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-8522?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benjamin Bannier reassigned MESOS-8522:
---------------------------------------

    Assignee: Gilbert Song  (was: Jie Yu)

Assigning to you [~gilbert]. Can we help fixing this?

> `prepareMounts` in Mesos containerizer is flaky.
> ------------------------------------------------
>
>                 Key: MESOS-8522
>                 URL: https://issues.apache.org/jira/browse/MESOS-8522
>             Project: Mesos
>          Issue Type: Bug
>          Components: containerization
>    Affects Versions: 1.5.0
>            Reporter: Chun-Hung Hsiao
>            Assignee: Gilbert Song
>            Priority: Major
>              Labels: containerization, mesosphere
>
> The [{{prepareMount()}}|https://github.com/apache/mesos/blob/1.5.x/src/slave/containerizer/mesos/launch.cpp#L244] function in {{src/slave/containerizer/mesos/launch.cpp}} sometimes fails with the following error:
> {noformat}
> Failed to prepare mounts: Failed to mark '/home/docker/containers/af78db6ebc1aff572e576b773d1378121a66bb755ed63b3278e759907e5fe7b6/shm' as slave: Invalid argument
> {noformat}
> The error message comes from https://github.com/apache/mesos/blob/1.5.x/src/slave/containerizer/mesos/launch.cpp#L#L326.
> Although it does not happen frequently, it can be reproduced by running tests that need to clone mount namespaces in repetition. For example, I just reproduced the bug with the following command after 17 minutes:
> {noformat}
> sudo bin/mesos-tests.sh --gtest_filter='*ROOT_PublishResourcesRecovery' --gtest_break_on_failure --gtest_repeat=-1 --verbose
> {noformat}
> No that in this example, the test itself does not involve any docker image or docker containerizer.



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