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From "Kanak Biscuitwala (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HELIX-472) Errors should be cleaned up less frequently
Date Tue, 15 Jul 2014 18:36:07 GMT

     [ https://issues.apache.org/jira/browse/HELIX-472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kanak Biscuitwala updated HELIX-472:
------------------------------------

    Description: As part of HELIX-452, we decreased the status update cleanup window to 15
minutes and the error cleanup window to 45 minutes. This makes it more troublesome trying
to look back and find historical errors, and these are proportional to numPartitions * numSessionsInWindow
number of znodes (much less than number of possible status updates). We should increase the
error cleanup threshold to a day.  (was: As part of HELIX-452, we decreased the status update
cleanup window to 15 minutes and the error cleanup window to 45 minutes. This makes it more
troublesome trying to look back and find historical errors, and these are proportional to
numPartitions * numSessionsInWindow number of znodes (much more . We should increase the error
cleanup threshold to a day.)

> Errors should be cleaned up less frequently
> -------------------------------------------
>
>                 Key: HELIX-472
>                 URL: https://issues.apache.org/jira/browse/HELIX-472
>             Project: Apache Helix
>          Issue Type: Bug
>            Reporter: Kanak Biscuitwala
>            Assignee: Kanak Biscuitwala
>
> As part of HELIX-452, we decreased the status update cleanup window to 15 minutes and
the error cleanup window to 45 minutes. This makes it more troublesome trying to look back
and find historical errors, and these are proportional to numPartitions * numSessionsInWindow
number of znodes (much less than number of possible status updates). We should increase the
error cleanup threshold to a day.



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