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https://issues.apache.org/jira/browse/HBASE-2231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12902165#action_12902165
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Jean-Daniel Cryans commented on HBASE-2231:
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Do you want to revive this issue Todd? If so, my thought is that we should just
rollback whatever that was in progress in a way that the sleeping node couldn't
mess up when it wakes up. I'm not super keen on using ZK for that, seems overly
complicated.
> Compaction events should be written to HLog
> -------------------------------------------
>
> Key: HBASE-2231
> URL: https://issues.apache.org/jira/browse/HBASE-2231
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Blocker
> Fix For: 0.90.0
>
> Attachments: hbase-2231-testcase.txt, hbase-2231.txt
>
>
> The sequence for a compaction should look like this:
> # Compact region to "new" files
> # Write a "Compacted Region" entry to the HLog
> # Delete "old" files
> This deals with a case where the RS has paused between step 1 and 2 and the
> regions have since been reassigned.
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