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From "Jean-Marc Spaggiari (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8205) HBCK support for table locks
Date Fri, 12 Apr 2013 12:26:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13630011#comment-13630011
] 

Jean-Marc Spaggiari commented on HBASE-8205:
--------------------------------------------

Patch V5 content seems to be wrong. Take a look at it.

{code}
M       hbase-protocol/src/main/protobuf/ZooKeeper.proto
M       hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/ZooKeeperProtos.java
M       hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestHBaseFsck.java
M       hbase-server/src/test/java/org/apache/hadoop/hbase/util/hbck/HbckTestingUtil.java
M       hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestTableLockManager.java
M       hbase-server/src/main/java/org/apache/hadoop/hbase/zookeeper/lock/ZKInterProcessLockBase.java
M       hbase-server/src/main/java/org/apache/hadoop/hbase/zookeeper/lock/ZKInterProcessWriteLock.java
M       hbase-server/src/main/java/org/apache/hadoop/hbase/zookeeper/lock/ZKInterProcessReadLock.java
M       hbase-server/src/main/java/org/apache/hadoop/hbase/InterProcessReadWriteLock.java
M       hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
M       hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
M       hbase-server/src/main/java/org/apache/hadoop/hbase/master/TableLockManager.java
M       hbase-server/src/main/java/org/apache/hadoop/hbase/InterProcessLock.java
M       hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
?       hbase-server/src/main/java/org/apache/hadoop/hbase/util/hbck/TableLockChecker.java
{code}
                
> HBCK support for table locks
> ----------------------------
>
>                 Key: HBASE-8205
>                 URL: https://issues.apache.org/jira/browse/HBASE-8205
>             Project: HBase
>          Issue Type: Improvement
>          Components: hbck, master, regionserver
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>             Fix For: 0.95.1
>
>         Attachments: hbase-8205_v1.patch, hbase-8205_v2.patch, hbase-8205_v4.patch, hbase-8205_v5.patch
>
>
> Table locks have been introduced in HBASE-7305, HBASE-7546, and others (see the design
doc at HBASE-7305). 
> This issue adds support in HBCK to report and fix possible conditions about table locks.
Namely, if due to some bug, the table lock remains not-released, then HBCK should be able
to report it, and remove the lock, so that normal table operations will continue. 
> Also see the comments in HBASE-7977. 

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