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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HBASE-4059) If a region is splitted during RS shutdown process, the daughter regions are NOT made online by master
Date Tue, 05 Jul 2011 03:29:21 GMT

     [ https://issues.apache.org/jira/browse/HBASE-4059?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu reassigned HBASE-4059:
-----------------------------

    Assignee: Ted Yu

> If a region is splitted during RS shutdown process, the daughter regions are NOT made
online by master
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-4059
>                 URL: https://issues.apache.org/jira/browse/HBASE-4059
>             Project: HBase
>          Issue Type: Bug
>          Components: master, regionserver
>    Affects Versions: 0.90.1, 0.90.2, 0.90.3
>            Reporter: Weihua Jiang
>            Assignee: Ted Yu
>
> When a region is splitted during the RS shutdown process, RS just written the daughter
region infos to META, but not make them online. Then, for master, in its ServerShutdownHandler,
the function isDaughterMissing() uses FindDaughterVisitor to check whether daughter region
is OK. However, this visitor doesn't check whether the value for HConstants.SERVER_QUALIFIER
carries non-null value.
> Therefore for the scenario, isDaughterMissing() returns false, skipping the following
line:
>      assignmentManager.assign(daughter, true);

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