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From "Jonathan Gray (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HBASE-1261) Improvements to flushing, compacting, and splitting
Date Tue, 21 Jul 2009 05:29:15 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jonathan Gray resolved HBASE-1261.

       Resolution: Duplicate
    Fix Version/s: 0.20.0
         Assignee:     (was: Evgeny Ryabitskiy)

Closing this issue as duplicate.  We made the minor/major compactions outlined by erik.

We also made other improvements with all the HBASE-1234 HBASE-1249 HBASE-880 etc etc for 0.20

Any other plans to improve flushes/compactions/splits should be handled in new issues targeted
at 0.20 and beyond

> Improvements to flushing, compacting, and splitting
> ---------------------------------------------------
>                 Key: HBASE-1261
>                 URL: https://issues.apache.org/jira/browse/HBASE-1261
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: documentation, master, regionserver
>    Affects Versions: 0.19.0
>            Reporter: Evgeny Ryabitskiy
>             Fix For: 0.20.0
> This issue concludes my task for GSoC 2009 
> The idea is to make all futures from Bigtable paper and other ideas in this processes
of to flushing, compacting and splitting.
> Some talk in IRC related to this issue creation:
> [22:37] <jgray2> bigtable has an optimization which, when flushing the memcache,
will actually write out a new storefile that merges the existing storefile with the memcache
> [22:37] <jgray2> that way you don't have more than one storefile
> [22:37] <jgray2> which is a huge inefficiency

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