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From "Clara Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15454) Archive store files older than max age
Date Tue, 29 Mar 2016 16:33:25 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15216294#comment-15216294
] 

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

If hbase.hstore.compaction.date.tiered.max.storefile.age.millis is used properly with TTL
settings, by current design of DTCP, any files between these two settings will remain in the
size of the highest tier, not being further combined either. For archiving, we just need a
process to scan the files by time range from the oldest and move them away, or  archive as
part of major compaction, like how we do TTL today.

> 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
>            Reporter: Duo Zhang
>
> 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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