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From Jiang Yan Xu <...@jxu.me>
Subject Re: Review Request 44948: Add XFS disk resource isolator.
Date Thu, 07 Apr 2016 06:37:08 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/44948/#review127567
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Ship it!




Ship It!

- Jiang Yan Xu


On April 6, 2016, 3:36 p.m., James Peach wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/44948/
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> 
> (Updated April 6, 2016, 3:36 p.m.)
> 
> 
> Review request for mesos, Jie Yu and Jiang Yan Xu.
> 
> 
> Bugs: MESOs-4828
>     https://issues.apache.org/jira/browse/MESOs-4828
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Track sandbox directory usage by dynamically assigning XFS project
> quotas. We track a range of XFS project IDs, assigning a project ID
> and a project quota to each sandbox as it is created. When the task
> reaches the quota, writes will fail with EDQUOT, and the task will have
> an opportunity to handle that.
> 
> Quotas are not applied to volume resources since the isolator interface
> has no insight into the volume lifecycle. Thus it is not currently
> possible to accurately assign and reclaim project IDs.
> 
> If LOW is the lower bound of the project ID range and HIGH is the upper
> bound, you can show the currently allocated project quotas using the
> xfs_quota command:
> 
>   $ xfs_quota -x -c "report -a -n -L LOW -U HIGH"
> 
> To show the project ID assigned to the file PATH, use the xfs_io command:
> 
>   $ xfs_io -r -c stat PATH
> 
> 
> Diffs
> -----
> 
>   src/Makefile.am ba9cc8b683bba2ae8fe9d9c58642690f5b80afaf 
>   src/slave/containerizer/mesos/containerizer.cpp a5dd22380066aa85de04d485052084e2629681c0

>   src/slave/containerizer/mesos/isolators/xfs/disk.hpp PRE-CREATION 
>   src/slave/containerizer/mesos/isolators/xfs/disk.cpp PRE-CREATION 
>   src/slave/containerizer/mesos/isolators/xfs/utils.hpp PRE-CREATION 
>   src/slave/containerizer/mesos/isolators/xfs/utils.cpp PRE-CREATION 
>   src/slave/flags.hpp 69e1b01e09d2a15bee5e0745b751f47aaefe3fbe 
>   src/slave/flags.cpp 315cf47d268bce0a0255a061d64e414c736c8125 
> 
> Diff: https://reviews.apache.org/r/44948/diff/
> 
> 
> Testing
> -------
> 
> Make check. Manual testing. Tests in subsequent patches.
> 
> 
> Thanks,
> 
> James Peach
> 
>


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