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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9098) During recovery use ZK as the source of truth for region state
Date Sun, 04 Aug 2013 11:59:49 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13728858#comment-13728858
] 

Hudson commented on HBASE-9098:
-------------------------------

SUCCESS: Integrated in hbase-0.95-on-hadoop2 #217 (See [https://builds.apache.org/job/hbase-0.95-on-hadoop2/217/])
hbase-9098: During recovery use ZK as the source of truth for region state (jeffreyz: rev
1510102)
* /hbase/branches/0.95/hbase-client/src/main/java/org/apache/hadoop/hbase/HRegionInfo.java
* /hbase/branches/0.95/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/HBaseProtos.java
* /hbase/branches/0.95/hbase-protocol/src/main/protobuf/hbase.proto
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterFileSystem.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/SplitLogManager.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/MetaServerShutdownHandler.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/HLogSplitter.java
* /hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestDistributedLogSplitting.java

                
> During recovery use ZK as the source of truth for region state 
> ---------------------------------------------------------------
>
>                 Key: HBASE-9098
>                 URL: https://issues.apache.org/jira/browse/HBASE-9098
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.95.0
>            Reporter: Devaraj Das
>            Assignee: Jeffrey Zhong
>            Priority: Blocker
>             Fix For: 0.95.2
>
>         Attachments: hbase-9098.patch, hbase-9098-v1.patch
>
>
> In HLogSplitter:locateRegionAndRefreshLastFlushedSequenceId(HConnection, byte[], byte[],
String), we talk to the replayee regionserver to figure out whether a region is in recovery
or not. We should look at ZK only for this piece of information (since that is the source
of truth for recovery otherwise).

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