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From "Maxim Khutornenko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AURORA-261) on sandbox garbage collection, just de-link the slave HREF on the finished tasks page
Date Thu, 13 Mar 2014 22:31:44 GMT

    [ https://issues.apache.org/jira/browse/AURORA-261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13934225#comment-13934225
] 

Maxim Khutornenko commented on AURORA-261:
------------------------------------------

My understanding is that HistoryPrunner reacts on a task completion by scheduling its removal
after the HISTORY_PRUNE_THRESHOLD (currently 2 days) expires. I suspect the issue might be
different here than history cleanup, which is expected to proceed in oldest-first manner.

> on sandbox garbage collection, just de-link the slave HREF on the finished tasks page
> -------------------------------------------------------------------------------------
>
>                 Key: AURORA-261
>                 URL: https://issues.apache.org/jira/browse/AURORA-261
>             Project: Aurora
>          Issue Type: Story
>          Components: Scheduler, UI, Usability
>            Reporter: brian wickman
>            Priority: Minor
>
> Instead of removing the task from the finished tasks log when we get a signal from the
GC executor, just grey-out the URL to the thermos sandbox in the UI instead of removing it
from the scheduler database entirely.
> If you have a 12-hourly cron job and you look at Finished Tasks and see:
> 0 hours ago
> 12 hours ago
> 36 hours ago
> 48 hours ago
> 60 hours ago
> 72 hours ago
> It'd be totally reasonable to come to the conclusion that the scheduler had a failover
at the 24 hour mark, but instead it could just be because the machine that happened to get
the task 24 hours ago was under strong space contention and just got garbage collected much
sooner than everyone else.



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