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From "Greg Mann (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-4541) Default work_dir slave to /var/lib/mesos instead of /tmp
Date Mon, 11 Apr 2016 21:16:25 GMT

    [ https://issues.apache.org/jira/browse/MESOS-4541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15235989#comment-15235989
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Greg Mann commented on MESOS-4541:
----------------------------------

In MESOS-5064, we've opted for eliminating the default {{work_dir}} for the agent; this will
require users to specify the work directory explicitly. Closing this ticket as "Won't Fix".

> Default work_dir slave to /var/lib/mesos instead of /tmp
> --------------------------------------------------------
>
>                 Key: MESOS-4541
>                 URL: https://issues.apache.org/jira/browse/MESOS-4541
>             Project: Mesos
>          Issue Type: Improvement
>            Reporter: Nick van 't Hart
>
> Centos cleanup Daily systemd service 
> /usr/lib/systemd/system/systemd-tmpfiles-clean.service 
> #  This file is part of systemd.
> #
> #  systemd is free software; you can redistribute it and/or modify it
> #  under the terms of the GNU Lesser General Public License as published by
> #  the Free Software Foundation; either version 2.1 of the License, or
> #  (at your option) any later version.
> [Unit]
> Description=Cleanup of Temporary Directories
> Documentation=man:tmpfiles.d(5) man:systemd-tmpfiles(8)
> DefaultDependencies=no
> Wants=local-fs.target
> After=systemd-readahead-collect.service systemd-readahead-replay.service local-fs.target
> Before=sysinit.target shutdown.target
> ConditionDirectoryNotEmpty=|/usr/lib/tmpfiles.d
> ConditionDirectoryNotEmpty=|/usr/local/lib/tmpfiles.d
> ConditionDirectoryNotEmpty=|/etc/tmpfiles.d
> ConditionDirectoryNotEmpty=|/run/tmpfiles.d
> [Service]
> Type=oneshot
> ExecStart=/usr/bin/systemd-tmpfiles --clean
> IOSchedulingClass=idle
> http://www.freedesktop.org/software/systemd/man/systemd-tmpfiles.html
> systemd-tmpfiles creates, deletes, and cleans up volatile and temporary files and directories,
based on the configuration file format and location specified in tmpfiles.d(5).
> /usr/lib/tmpfiles.d/tmp.conf 
> delete all files older then 10 days /tmp/*
> change default work_dir for mesos from /tmp to /var/lib/mesos/
> Problems:
> - mesos slave crash when deploying from marathon (state of running tasks lost)
> - mesos slave restart recovery will not work, because /tmp/mesos/meta/slaves/latest could
not be found 
> For now maybe add some extra documentation for work_dir option, when using in production.



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