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From "Phabricator (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5199) Delete out of TTL store files before compaction selection
Date Tue, 24 Jan 2012 18:40:42 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5199?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Phabricator updated HBASE-5199:
-------------------------------

    Attachment: D1311.4.patch

Liyin updated the revision "[jira][HBASE-5199] Delete out of TTL store files before compaction
selection ".
Reviewers: Kannan, JIRA, khemani, aaiyer, Karthik

  During the minor compaction selection time, if there is any expired store files, these expired
store files will be selected to compact directly.
  Since these files have already expired, there would be no-ops during the compaction time
and these files will be deleted after the compaction.

REVISION DETAIL
  https://reviews.facebook.net/D1311

AFFECTED FILES
  src/main/java/org/apache/hadoop/hbase/regionserver/Store.java
  src/main/java/org/apache/hadoop/hbase/regionserver/StoreFile.java
  src/main/java/org/apache/hadoop/hbase/regionserver/compactions/CompactSelection.java
  src/test/java/org/apache/hadoop/hbase/regionserver/TestStore.java

                
> 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
>
>
> 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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