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