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From "Evgeny Ryabitskiy (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-1278) Improvement of HRegion rows update logic
Date Fri, 20 Mar 2009 11:18:50 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Evgeny Ryabitskiy updated HBASE-1278:
-------------------------------------

    Comment: was deleted

(was: It was small change but nice improvement ;))

> Improvement of HRegion rows update logic
> ----------------------------------------
>
>                 Key: HBASE-1278
>                 URL: https://issues.apache.org/jira/browse/HBASE-1278
>             Project: Hadoop HBase
>          Issue Type: Sub-task
>          Components: regionserver
>    Affects Versions: 0.20.0
>            Reporter: Evgeny Ryabitskiy
>            Assignee: Evgeny Ryabitskiy
>             Fix For: 0.20.1
>
>         Attachments: HBASE-1278.patch
>
>
> Log with my mentor :)
> [10:16] <EugeneR> update method in HRegion is using TreeMap as it's parameter...
> [10:17] <EugeneR> so... before run it.. we creating a TreeMap from our Set of changes
> [10:17] <EugeneR> and using comparator for sorting
> [10:17] <EugeneR> but!
> [10:17] <EugeneR> guess what update doing with TreeMap??? ))
> [10:18] <EugeneR> updatesByColumn.entrySet()... it gets back our Set of changes
from that TreeMap!!! :)
> [10:19] <EugeneR> we are wrapping Set in TreeMap to put in method and then get
it back in this method.... )
> [10:23] <EugeneR> St^Ack: So I know from what to start my improvement for GSoC
task )))
> [10:23] <St^Ack> EugeneR: smile

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