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https://issues.apache.org/jira/browse/HBASE-5547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13419756#comment-13419756
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Jesse Yates commented on HBASE-5547:
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bq. I find that deleteRegion() was addressed, but not deleteTable().
In the deletetablehandler, it first goes and deletes each region (which gets
replaced with archiveRegion) and then once all the regions have been archived,
we call deleteTable, which basically just "rm -rf"'s the entire directory.
TL;DR - hfiles on table delete are archived, but not any more information about
the state of the table. Wrote a unit test to check that too, so should be good.
> Don't delete HFiles when in "backup mode"
> -----------------------------------------
>
> Key: HBASE-5547
> URL: https://issues.apache.org/jira/browse/HBASE-5547
> Project: HBase
> Issue Type: New Feature
> Reporter: Lars Hofhansl
> Assignee: Jesse Yates
> Fix For: 0.94.2
>
> Attachments: 5547-v12.txt, 5547-v16.txt, hbase-5447-v8.patch,
> hbase-5447-v8.patch, hbase-5547-v9.patch, java_HBASE-5547_v13.patch,
> java_HBASE-5547_v14.patch, java_HBASE-5547_v15.patch,
> java_HBASE-5547_v4.patch, java_HBASE-5547_v5.patch, java_HBASE-5547_v6.patch,
> java_HBASE-5547_v7.patch
>
>
> This came up in a discussion I had with Stack.
> It would be nice if HBase could be notified that a backup is in progress (via
> a znode for example) and in that case either:
> 1. rename HFiles to be delete to <file>.bck
> 2. rename the HFiles into a special directory
> 3. rename them to a general trash directory (which would not need to be tied
> to backup mode).
> That way it should be able to get a consistent backup based on HFiles (HDFS
> snapshots or hard links would be better options here, but we do not have
> those).
> #1 makes cleanup a bit harder.
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