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https://issues.apache.org/jira/browse/HBASE-16023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15337580#comment-15337580
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Hudson commented on HBASE-16023:
--------------------------------
FAILURE: Integrated in HBase-1.4 #224 (See
[https://builds.apache.org/job/HBase-1.4/224/])
HBASE-16023 Fastpath for the FIFO rpcscheduler Adds an executor that (stack:
rev 411e3cdb6d47e622bf3aaec1c19380ba42d22b21)
* hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcExecutor.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestSimpleRpcScheduler.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/SimpleRpcScheduler.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/BalancedQueueRpcExecutor.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/FifoWithFastPathBalancedQueueRpcExecutor.java
> Fastpath for the FIFO rpcscheduler
> ----------------------------------
>
> Key: HBASE-16023
> URL: https://issues.apache.org/jira/browse/HBASE-16023
> Project: HBase
> Issue Type: Sub-task
> Components: Performance, rpc
> Affects Versions: 2.0.0, 1.3.0
> Reporter: stack
> Assignee: stack
> Fix For: 2.0.0, 1.3.0
>
> Attachments: HBASE-16023.addenum.patch,
> HBASE-16023.branch-1.001.patch, hits.nofifo.fifoplusfp.fifownofp.hacks.png
>
>
> This is an idea copied from kudu where we skip queuing a request if there is
> a handler ready to go; we just do a direct handoff from reader to handler.
> Makes for close to a %20 improvement in random read workloadc testing moving
> the bottleneck to HBASE-15716 and to returning the results.
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