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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1261) Improvements to flushing, compacting, and splitting
Date Thu, 19 Mar 2009 20:53:50 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12683607#action_12683607

stack commented on HBASE-1261:

I added this issue up here: http://wiki.apache.org/general/SummerOfCode2009

> 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
>            Assignee: Evgeny Ryabitskiy
> 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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