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From "Phabricator (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5344) [89-fb] Scan unassigned region directory on master failover
Date Fri, 30 Mar 2012 07:54:59 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Phabricator updated HBASE-5344:
-------------------------------

    Attachment: D1605.2.patch

mbautin updated the revision "[jira] [HBASE-5344] [89-fb] Scan unassigned region directory
on master failover".
Reviewers: Kannan, Karthik, Liyin, JIRA, stack

  Deleting a bunch of files that should be deleted in this patch and fixing a compilation
error in TestMiniClusterLoadSequential.

REVISION DETAIL
  https://reviews.facebook.net/D1605

AFFECTED FILES
  pom.xml
  src/main/java/org/apache/hadoop/hbase/EmptyWatcher.java
  src/test/java/org/apache/hadoop/hbase/EmptyWatcher.java
  src/main/java/org/apache/hadoop/hbase/HConstants.java
  src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
  src/main/java/org/apache/hadoop/hbase/util/AbstractHBaseTool.java
  src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java
  src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java
  src/test/java/org/apache/hadoop/hbase/manual/HBaseTest.java
  src/test/java/org/apache/hadoop/hbase/manual/RestartMetaTest.java
  src/test/java/org/apache/hadoop/hbase/manual/utils/HBaseUtils.java
  src/test/java/org/apache/hadoop/hbase/manual/utils/KillProcessesAndVerify.java
  src/test/java/org/apache/hadoop/hbase/manual/utils/MultiThreadedAction.java
  src/test/java/org/apache/hadoop/hbase/manual/utils/MultiThreadedReader.java
  src/test/java/org/apache/hadoop/hbase/manual/utils/MultiThreadedWriter.java
  src/test/java/org/apache/hadoop/hbase/manual/utils/ProcessBasedLocalHBaseCluster.java
  src/test/java/org/apache/hadoop/hbase/util/LoadTestTool.java
  src/test/java/org/apache/hadoop/hbase/util/MultiThreadedAction.java
  src/test/java/org/apache/hadoop/hbase/util/MultiThreadedReader.java
  src/test/java/org/apache/hadoop/hbase/util/MultiThreadedWriter.java
  src/test/java/org/apache/hadoop/hbase/util/ProcessBasedLocalHBaseCluster.java
  src/test/java/org/apache/hadoop/hbase/util/RestartMetaTest.java
  src/test/java/org/apache/hadoop/hbase/util/TestLoadTestKVGenerator.java
  src/test/java/org/apache/hadoop/hbase/util/TestMiniClusterLoadEncoded.java
  src/test/java/org/apache/hadoop/hbase/util/TestMiniClusterLoadParallel.java
  src/test/java/org/apache/hadoop/hbase/util/TestMiniClusterLoadSequential.java

                
> [89-fb] Scan unassigned region directory on master failover
> -----------------------------------------------------------
>
>                 Key: HBASE-5344
>                 URL: https://issues.apache.org/jira/browse/HBASE-5344
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Mikhail Bautin
>            Assignee: Mikhail Bautin
>         Attachments: D1605.1.patch, D1605.2.patch
>
>
> In case the master dies after a regionserver writes region state as OPENED or CLOSED
in ZK but before the update is received by master and written to meta, the new master that
comes up has to pick up the region state from ZK and write it to meta. Otherwise we can get
multiply-assigned regions.

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