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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3970) Address HMaster crash/failure half way through meta migration
Date Thu, 16 Jun 2011 17:53:47 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13050602#comment-13050602

stack commented on HBASE-3970:

Looks great.  Nice tests.  Non-invasive after migration completes.

> Address HMaster crash/failure half way through meta migration
> -------------------------------------------------------------
>                 Key: HBASE-3970
>                 URL: https://issues.apache.org/jira/browse/HBASE-3970
>             Project: HBase
>          Issue Type: Bug
>          Components: client, master, regionserver
>    Affects Versions: 0.92.0
>            Reporter: Subbu M Iyer
>            Assignee: Subbu M Iyer
>            Priority: Blocker
>         Attachments: HBASE-3970-First_Draft_-_Address_HMaster_crash_failure_half_way_through_meta_migration1.patch,
>   Original Estimate: 168h
>  Remaining Estimate: 168h
> When HMaster tries to migrate (after HBASE-451 goes live) the old HRI (with HTD) to new
HRI (with out HTD) and if the Master or the migration process crashes/fails midway, it will
leave the .META. in a corrupt state and may not allow successful cluster startup. 

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