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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-10544) Surface completion state of global administrative actions
Date Sun, 16 Feb 2014 22:09:22 GMT

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

Andrew Purtell updated HBASE-10544:
-----------------------------------

    Description: 
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 [~jdcryans] 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. 

  was:
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. 


> 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 [~jdcryans] 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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