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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18024) HRegion#initializeRegionInternals should not re-create .hregioninfo file when the region directory no longer exists
Date Thu, 10 Aug 2017 20:38:03 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16122280#comment-16122280
] 

Ted Yu commented on HBASE-18024:
--------------------------------

lgtm

> HRegion#initializeRegionInternals should not re-create .hregioninfo file when the region
directory no longer exists
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-18024
>                 URL: https://issues.apache.org/jira/browse/HBASE-18024
>             Project: HBase
>          Issue Type: Bug
>          Components: Region Assignment, regionserver
>    Affects Versions: 2.0.0, 1.4.0, 1.3.1, 1.2.5
>            Reporter: Esteban Gutierrez
>            Assignee: Esteban Gutierrez
>         Attachments: HBASE-18024.001.patch, HBASE-18024.002.patch, HBASE-18024.003.patch,
HBASE-18024.004.patch
>
>
> When a RegionSever attempts to open a region, during initialization the RS tries to open
the {{<hbase.root.dir>/data/<table>/<region>/.hregioninfo}} file, however
if the {{.hregioninfofile}} doesn't exist, the RegionServer will create a new one on {{HRegionFileSystem#checkRegionInfoOnFilesystem}}.
A side effect of that tools like hbck will incorrectly assume an inconsistency due the presence
of this new {{.hregioninfofile}}



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