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https://issues.apache.org/jira/browse/HBASE-7827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13576311#comment-13576311
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Shivendra Pratap Singh commented on HBASE-7827:
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Proposed solution:
Modify batch mutate deletes to use the bulk delete method that accepts a list 
of delete.
                
> Improve the speed of Hbase Thirft Batch mutation for deletes
> ------------------------------------------------------------
>
>                 Key: HBASE-7827
>                 URL: https://issues.apache.org/jira/browse/HBASE-7827
>             Project: HBase
>          Issue Type: New Feature
>          Components: Thrift
>    Affects Versions: 0.94.0
>            Reporter: Shivendra Pratap Singh
>            Priority: Minor
>              Labels: Hbase, Thrift
>
> A batch mutate operation does both puts and deletes. Batch mutate for put 
> uses table.put(puts) however batch mutate for delete loops over all deletes 
> and calls table.delete for every single cell. This causes delete performance 
> to degrade.

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