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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6522) Expose locks and leases to Coprocessors
Date Wed, 22 Aug 2012 13:49:45 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13439503#comment-13439503
] 

Hudson commented on HBASE-6522:
-------------------------------

Integrated in HBase-0.94-security #48 (See [https://builds.apache.org/job/HBase-0.94-security/48/])
    HBASE-6522 Expose locks and leases to Coprocessors (Revision 1371026)

     Result = FAILURE
larsh : 
Files : 
* /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
* /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
* /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/RegionServerServices.java
* /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/coprocessor/SimpleRegionObserver.java
* /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/util/MockRegionServerServices.java

                
> 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
>             Fix For: 0.96.0, 0.94.2
>
>         Attachments: 6522.txt, 6522-v2.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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