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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14450) HBase Backup/Restore Phase 3: Multiwal support
Date Thu, 11 Aug 2016 20:55:22 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15417917#comment-15417917
] 

Ted Yu commented on HBASE-14450:
--------------------------------

See my comment 4 hours ago.
With 'FSHLog$SyncRunner(1275): syncing writer' log, I identified two WAL files which were
written after the full backup was done.
These two files didn't appear in the 'Mismatch in length' errors.

Since actual map progress was 16% when the job stopped, looks like some WAL files weren't
even copied.

> HBase Backup/Restore Phase 3: Multiwal support
> ----------------------------------------------
>
>                 Key: HBASE-14450
>                 URL: https://issues.apache.org/jira/browse/HBASE-14450
>             Project: HBase
>          Issue Type: Task
>    Affects Versions: 2.0.0
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>              Labels: backup
>             Fix For: 2.0.0
>
>         Attachments: 14450.v2.txt, org.apache.hadoop.hbase.backup.TestIncrementalBackup-output.txt
>
>
> We need to support multiwal configurations.



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