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Date: Tue, 24 Jan 2012 21:10:43 +0000 (UTC)
From: "Zhihong Yu (Commented) (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
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Subject: [jira] [Commented] (HBASE-5199) Delete out of TTL store files
 before compaction selection
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    [ https://issues.apache.org/jira/browse/HBASE-5199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13192518#comment-13192518 ] 

Zhihong Yu commented on HBASE-5199:
-----------------------------------

@Liyin:
Can you try adding JIRA to the CCs ?

I have to deal with 6 copies of each review email in my InBox.

Thanks
                
> 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
>
>
> 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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