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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-2231) Compaction events should be written to HLog
Date Sat, 17 Nov 2012 23:34:12 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-2231:
-------------------------

    Attachment: 2231-testcase_v2.txt

Fixed hang.  Test passes now but it should not.  We have become lax if a file is missing when
we go to compact -- perhaps because region double-assigned -- since we made the CompactionRequest
object changes.  I think the reasoning is that by the time our compaction runs, another may
have run before us so it is ok if the geography is different.

Need to fix this first.  Let me dig more.
                
> 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: 2231-testcase-0.94.txt, 2231-testcase_v2.txt, 2231v2.txt, 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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