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https://issues.apache.org/jira/browse/HBASE-748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12620463#action_12620463
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stack commented on HBASE-748:
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Do you think the HTable client should do the sorting and organizing of edits 
into batches or should that be done by the calling application?  Hypertable 
would seem to do the former.  Reading Hypertable user list, it looks like they 
have a mechanism for buffering up edits in the client.  When the client update 
buffer is full, it flushes the edits sending in batches with each batch going 
to the appropriate rangeserver.  There is also an explicit flush which you can 
call to send the current set of edits.

> 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: 0.3.0
>
>
> 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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