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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HBASE-10544) Surface completion state of global administrative actions
Date Fri, 14 Feb 2014 23:33:21 GMT

     [ https://issues.apache.org/jira/browse/HBASE-10544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Andrew Purtell reassigned HBASE-10544:

    Assignee: Andrew Purtell

> Surface completion state of global administrative actions
> ---------------------------------------------------------
>                 Key: HBASE-10544
>                 URL: https://issues.apache.org/jira/browse/HBASE-10544
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>             Fix For: 0.98.1, 0.99.0
> When issuing requests for global administrative actions, such as major compaction, users
have to look for indirect evidence the action has completed, and cannot really be sure of
the final state. 
> Hat tip to J-D and Stack.
> We can approach this a couple of ways. We could add a per regionserver metric for percentage
of admin requests complete, maybe also aggregated by the master. This would provide a single
point of reference. However if we also want to insure 100% completion even in the presence
of node failures, or provide separate completion feedback for each request, I think we need
to redo flush and compaction requests as Procedures. 

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