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From "Clara Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15454) Archive store files older than max age
Date Wed, 13 Apr 2016 16:25:25 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15239536#comment-15239536
] 

Clara Xiong commented on HBASE-15454:
-------------------------------------

Oh, that is conditional. We don't explicitly stop minor compaction beyond this age. We just
stop merging windows. Given we always order by seq id, if files are compacted before being
moved into this range, they won't be compacted any more. But if max age is too small or user
changes window config settings, it is still possible for some files moving into this range
before being compacted by the same logic.

> Archive store files older than max age
> --------------------------------------
>
>                 Key: HBASE-15454
>                 URL: https://issues.apache.org/jira/browse/HBASE-15454
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Compaction
>    Affects Versions: 2.0.0, 1.3.0, 0.98.18, 1.4.0
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.0.0, 1.3.0, 0.98.19, 1.4.0
>
>         Attachments: HBASE-15454-v1.patch, HBASE-15454-v2.patch, HBASE-15454.patch
>
>
> Sometimes the old data is rarely touched but we can not remove it. So archive it to several
big files(by year or something) and use EC to reduce the redundancy.



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