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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-748) Add an efficient way to batch update many rows
Date Wed, 24 Sep 2008 23:31:45 GMT

    [ https://issues.apache.org/jira/browse/HBASE-748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12634344#action_12634344
] 

stack commented on HBASE-748:
-----------------------------

On the design outlined in 'Jean-Daniel Cryans - 17/Sep/08 06:24 AM', +1.

On the outline in 'Jean-Daniel Cryans - 19/Sep/08 08:30 AM', would suggest that the index
be thrown for any exception, not just WRE (though, yes WRE is probably only Exception that
would make use of it).  On the sort of RowOperation, does RO implement Comparator?  Should
it?  Otherwise +1 on pseudo-code.

Regards 'Jean-Daniel Cryans - 19/Sep/08 02:19 PM', whats the data saying?  That flushing at
1MB is better than flushing at 64MB?  Whats auto-flush set to or is this the number when auto-flushing
is disabled?





> Add an efficient way to batch update many rows
> ----------------------------------------------
>
>                 Key: HBASE-748
>                 URL: https://issues.apache.org/jira/browse/HBASE-748
>             Project: Hadoop HBase
>          Issue Type: New Feature
>          Components: client
>    Affects Versions: 0.1.3, 0.2.0
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>             Fix For: 0.19.0
>
>         Attachments: hbase-748-v1.patch
>
>
> HBASE-747 introduced a simple way to batch update many rows. The goal of this issue is
to have an enhanced version that will send many rows in a single RPC to each region server.
To do this, the client code will have to figure which rows goes to which server, group them
accordingly and then send them.

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