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https://issues.apache.org/jira/browse/HBASE-16664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15508974#comment-15508974
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Heng Chen commented on HBASE-16664:
-----------------------------------

{quote}
And AP is complicated so I have not found where is the logic of operation 
timeout.. I'm not sure if we have.
{quote}
See CancellableRegionServerCallable.

{quote}
But on submit we pass the operationTimeout. It should be writeRpcTimeout? 
{quote}
Currently, we have two timeout,   one is rpcTimeout (split into read/write),  
it is used for one rpc call. 
Another one is operationTimeout which is used to control at a high level (no 
matter how many times we do retry,  the total operation time controlled by it).

I think we should respect the rules,  pass operationTimeout and do control for 
each RPC call with "rpcTimeout" and remaining of "operationTimeout",  wdyt? 



> Timeout logic in AsyncProcess is broken
> ---------------------------------------
>
>                 Key: HBASE-16664
>                 URL: https://issues.apache.org/jira/browse/HBASE-16664
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Phil Yang
>         Attachments: testhcm.patch
>
>
> Have not checked the root cause, but I think timeout of all operations in 
> AsyncProcess is broken



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