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https://issues.apache.org/jira/browse/HBASE-17852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16227162#comment-16227162
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Vladimir Rodionov commented on HBASE-17852:
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The issue with a single table (backup:system) arises from that fact that we
have multiple independent writers: backup client application and BackupObserver
(on each RS). In case of a backup failure we perform table rollback (restore
from snapshot), which can result in a loss of data being written by
BackupObserver(s), that is why I introduced separate table to keep track of
bulk loaded files.
> Add Fault tolerance to HBASE-14417 (Support bulk loaded files in incremental
> backup)
> ------------------------------------------------------------------------------------
>
> Key: HBASE-17852
> URL: https://issues.apache.org/jira/browse/HBASE-17852
> Project: HBase
> Issue Type: Sub-task
> Reporter: Vladimir Rodionov
> Assignee: Vladimir Rodionov
> Fix For: 2.0.0-beta-1
>
> Attachments: HBASE-17852-v1.patch, HBASE-17852-v2.patch,
> HBASE-17852-v3.patch, HBASE-17852-v4.patch
>
>
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