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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2012/08/07 20:04:12 UTC

[jira] [Commented] (HBASE-6522) Expose locks and leases to Coprocessors

    [ https://issues.apache.org/jira/browse/HBASE-6522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13430488#comment-13430488 ] 

stack commented on HBASE-6522:
------------------------------

The getLeases has to be added to RegionServerServices?  Otherwise +1 on patch.
                
> Expose locks and leases to Coprocessors
> ---------------------------------------
>
>                 Key: HBASE-6522
>                 URL: https://issues.apache.org/jira/browse/HBASE-6522
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>         Attachments: 6522.txt
>
>
> Currently it is not possible for CP to implement any of checkAndMutate type operations, because coprocessor have no way create a lock, because getLock is private HRegion (interestingly ReleaseLock is public).
> In addition it would nice if Coprocessor could hook into the RegionServers' Lease management.
> Here I propose two trivial changes:
> # Make HRegion.getLock public
> # Add {code}Leases getLeases(){code} to RegionServerServices (and hence to HRegionServer)

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