> On March 3, 2016, 5:51 p.m., haosdent huang wrote:
> > Hi, @jamespeach Your patch looks great. I have a question, `ENOSPC` only 
> > happen when call `write` and we could not register any singal handler in 
> > this isolator to receive a exceed quote singal, right?

The write fails with ``EDQUOT``. I'm not aware of any signals getting delivered 
in response to disk quota?


- James


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On March 3, 2016, 6:06 p.m., James Peach wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/44342/
> -----------------------------------------------------------
> 
> (Updated March 3, 2016, 6:06 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
> -----
> 
>   configure.ac b045d3c68a2d440bed4d1b3e6ab21a1bbe063517 
>   src/Makefile.am b30cc25f61856d6417437547baaa0bb338a30d63 
>   src/slave/containerizer/mesos/containerizer.cpp 
> af3ff5750649497d8852b4761c78d4cae5455a02 
>   src/slave/containerizer/mesos/isolators/disk/xfs.hpp PRE-CREATION 
>   src/slave/containerizer/mesos/isolators/disk/xfs.cpp PRE-CREATION 
>   src/slave/flags.hpp feb095da4521f678c96f4cc53bdfda262d350388 
>   src/slave/flags.cpp 6e3fd69c06eefd40bc0e5c222ea72f34144c5534 
> 
> Diff: https://reviews.apache.org/r/44342/diff/
> 
> 
> Testing
> -------
> 
> Manual testing on Fedora 23 w/ XFS. Make check on Fedora and OS X.
> 
> 
> Thanks,
> 
> James Peach
> 
>

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