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From "Allan Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17808) FastPath for RWQueueRpcExecutor
Date Wed, 22 Mar 2017 02:41:41 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15935691#comment-15935691
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Allan Yang commented on HBASE-17808:
------------------------------------

{quote}
Why FastPathRWQueueRpcExecutor not extends RWQueueRpcExecutor?
{quote}
Good question, FastPathRWQueueRpcExecutor  is backed by FastPathBalancedQueueRpcExecutor,
it is also not good as RWQueueRpcExecutor in my tests. Still trying to figure out what's wrong.

> FastPath for RWQueueRpcExecutor
> -------------------------------
>
>                 Key: HBASE-17808
>                 URL: https://issues.apache.org/jira/browse/HBASE-17808
>             Project: HBase
>          Issue Type: Improvement
>          Components: rpc
>    Affects Versions: 2.0.0
>            Reporter: Allan Yang
>            Assignee: Allan Yang
>         Attachments: HBASE-17808.patch, HBASE-17808.v2.patch
>
>
> FastPath for the FIFO rpcscheduler was introduced in HBASE-16023. But it is not implemented
for RW queues. In this issue, I use FastPathBalancedQueueRpcExecutor in RW queues. So anyone
who want to isolate their read/write requests can also benefit from the fastpath.
> I haven't test the performance yet. But since I haven't change any of the core implemention
of FastPathBalancedQueueRpcExecutor, it should have the same performance in HBASE-16023.



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