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From "Matteo Bertozzi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7537) .regioninfo not created by createHRegion()
Date Mon, 14 Jan 2013 18:12:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13552946#comment-13552946
] 

Matteo Bertozzi commented on HBASE-7537:
----------------------------------------

Maybe I can fill a follow up jira, to move out the the region on-disk creation code (region
dir + .regioninfo) since we don't in the table creation case we don't want to initialize the
region (call constructor and so on)
{code}
HRegion region = HRegion.createHRegion(newRegion,
    fileSystemManager.getRootDir(), conf, hTableDescriptor, null,
    false, true);
region.close();
{code}
                
> .regioninfo not created by createHRegion()
> ------------------------------------------
>
>                 Key: HBASE-7537
>                 URL: https://issues.apache.org/jira/browse/HBASE-7537
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 0.96.0
>            Reporter: Matteo Bertozzi
>            Assignee: Matteo Bertozzi
>         Attachments: HBASE-7537-v0.patch
>
>
> After HBASE-5683 we have no longer the .regioninfo written on disk during the table creation.
> so, if we fail before adding entries to .META. we end up with regions on disk that has
no information, and hbck is not able to recover this situation.
> The .regioninfo is written in checkRegioninfoOnFilesystem() that was called by initialize(),
during the table creation and region opening. With HBASE-5683 we skip the call to initialize(),
in during the region creation, to avoid to initialize the memstore & co.

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