[jira] [Issue Comment Edited] (HBASE-2231) Compaction events should be written to HLog

["Lars Hofhansl (Issue Comment Edited) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-2231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13217966#comment-13217966 ] 

Lars Hofhansl edited comment on HBASE-2231 at 2/28/12 7:00 AM:
---------------------------------------------------------------

Moving out of 0.94. Probably not a blocker if it can go unfixed for a long time.
                
      was (Author: lhofhansl):
    Moving out of 0.96. Probably not a blocker if it can go unfixed for a long time.
                  
> 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
>              Labels: moved_from_0_20_5
>             Fix For: 0.96.0
>
>         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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