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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10333) Assignments are not retained on a cluster start
Date Fri, 17 Jan 2014 03:56:21 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13874392#comment-13874392

Hudson commented on HBASE-10333:

SUCCESS: Integrated in HBase-0.98-on-Hadoop-1.1 #80 (See [https://builds.apache.org/job/HBase-0.98-on-Hadoop-1.1/80/])
HBASE-10333 Assignments are not retained on a cluster start (jxiang: rev 1558964)
* /hbase/branches/0.98/hbase-server/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
* /hbase/branches/0.98/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java

> Assignments are not retained on a cluster start
> -----------------------------------------------
>                 Key: HBASE-10333
>                 URL: https://issues.apache.org/jira/browse/HBASE-10333
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.98.0,
>            Reporter: Devaraj Das
>            Assignee: Jimmy Xiang
>             Fix For: 0.98.0, 0.96.2, 0.99.0
>         Attachments: hbase-10333.patch
> When a cluster is fully shutdown and then started up again with hbase.master.startup.retainassign
set to true, I noticed that the assignments are not retained. Upon digging, it seems like
HBASE-10101 made a change due to which the server holding the META previously is added to
dead-servers (in _HMaster.assignMeta_). Later on, this makes the AssignmentManager think that
the master recovered from a failure as opposed to a fresh cluster start (the ServerManager.deadServers
list is not empty in the check within 
> _AssignmentManager.processDeadServersAndRegionsInTransition_)

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