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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2231) Compaction events should be written to HLog
Date Fri, 12 Mar 2010 01:29:27 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12844325#action_12844325
] 

Todd Lipcon commented on HBASE-2231:
------------------------------------

yea, but that API isn't til 0.22. Backporting FileContext is a no-go imo.

> Compaction events should be written to HLog
> -------------------------------------------
>
>                 Key: HBASE-2231
>                 URL: https://issues.apache.org/jira/browse/HBASE-2231
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: Todd Lipcon
>
> 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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