huaxiang sun commented on HBASE-19308:

Sorry [~stack], did not make progress here but it is still an issue for hbase2, 
I will work on it this week and try to put up a patch, thanks.

> batch processing does not consider partial success
> --------------------------------------------------
>                 Key: HBASE-19308
>                 URL: https://issues.apache.org/jira/browse/HBASE-19308
>             Project: HBase
>          Issue Type: Bug
>            Reporter: huaxiang sun
>            Assignee: huaxiang sun
>            Priority: Major
>             Fix For: 2.0.0
> While working on HBASE-19163, some unittest failures exposes an interesting 
> issue. 
> When client sends a batch, at the region server, it can be divided into 
> multiple minibatchs. If one of minibatches runs into some exception(resource 
> for an example), the exception gets back to the client and it thinks that the 
> whole batch fails. The client will send the whole batch again will cause the 
> already-succeeded minibatches to be processed again. We need to have 
> mechanism to allow partial success of the batch.

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