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From "Zhihong Yu (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5199) Delete out of TTL store files before compaction selection
Date Thu, 09 Feb 2012 22:04:57 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13204934#comment-13204934
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Zhihong Yu commented on HBASE-5199:
-----------------------------------

HBASE-5199.patch doesn't apply cleanly:
{code}
3 out of 6 hunks FAILED -- saving rejects to file src/main/java/org/apache/hadoop/hbase/regionserver/StoreScanner.java.rej
patching file src/test/java/org/apache/hadoop/hbase/client/TestFromClientSide.java
Reversed (or previously applied) patch detected!  Assume -R? [n] 
Apply anyway? [n] 
Skipping patch.
3 out of 3 hunks ignored -- saving rejects to file src/test/java/org/apache/hadoop/hbase/client/TestFromClientSide.java.rej
{code}
Can you rebase patch ?
                
> Delete out of TTL store files before compaction selection
> ---------------------------------------------------------
>
>                 Key: HBASE-5199
>                 URL: https://issues.apache.org/jira/browse/HBASE-5199
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Liyin Tang
>            Assignee: Liyin Tang
>         Attachments: D1311.1.patch, D1311.2.patch, D1311.3.patch, D1311.4.patch, D1311.5.patch,
D1311.5.patch, HBASE-5199.patch
>
>
> Currently, HBase deletes the out of TTL store files after compaction. We can change the
sequence to delete the out of TTL store files before selecting store files for compactions.

> In this way, HBase can keep deleting the old invalid store files without compaction,
and also prevent from unnecessary compactions since the out of TTL store files will be deleted
before the compaction selection.

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