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https://issues.apache.org/jira/browse/HBASE-3737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13465160#comment-13465160
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Lars Hofhansl commented on HBASE-3737:
--------------------------------------

This is still the case in trunk.

Also looking at the Delete(List<Delete>) code, the passed lists gets modified 
and will contain those Deletes that failed to be executed. The client 
presumably has to check and retry. I doubt anybody is doing that.

Put(List<Put>) is similar (but worse IMHO). The call to the Put method happily 
returns even when there are left over Puts in the write buffer.
                
> HTable - delete(List<Delete>) doesn't use writebuffer
> -----------------------------------------------------
>
>                 Key: HBASE-3737
>                 URL: https://issues.apache.org/jira/browse/HBASE-3737
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Doug Meil
>            Priority: Minor
>
> I just realized that htable.delete(List<Delete>) doesn't use the writebuffer 
> and processes the list immediately, but htable.put(List<Put>) does use the 
> writebuffer (i.e., send when filled). Likewise, htable.delete(Delete) sends 
> immediately.
>  
> Out of sheer curiosity, why?  With the 'batch' methods now in place, it seems 
> like it would be consistent for 'delete' and 'put' to use the writebuffer 
> (assuming it is expanded to hold more than Puts), whereas 'batch' methods 
> process immediately.
> This isn't a huge issue, but it does seem a little inconsistent. 

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