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From "Phabricator (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5274) Filter out the expired store file scanner during the compaction
Date Wed, 25 Jan 2012 20:11:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13193276#comment-13193276
] 

Phabricator commented on HBASE-5274:
------------------------------------

Liyin has abandoned the revision "[jira][HBASE-5274] Filter out the expired store file scanner
during the compaction".

  This could be part of [HBASE-5010] Filter HFiles based on TTL.  Mikhail will help to followup
for fixing this issue.

REVISION DETAIL
  https://reviews.facebook.net/D1407

                
> Filter out the expired store file scanner during the compaction
> ---------------------------------------------------------------
>
>                 Key: HBASE-5274
>                 URL: https://issues.apache.org/jira/browse/HBASE-5274
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Liyin Tang
>            Assignee: Liyin Tang
>         Attachments: D1407.1.patch, D1407.1.patch, D1407.1.patch, D1407.1.patch, D1407.1.patch
>
>
> During the compaction time, HBase will generate a store scanner which will scan a list
of store files. And it would be more efficient to filer out the expired store file since there
is no need to read any key values from these store files.
> This optimization has been already implemented on 89-fb and this is the building block
for HBASE-5199 as well. It is supposed to be no-ops to compact the expired store files.

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