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https://issues.apache.org/jira/browse/HBASE-5945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13827571#comment-13827571
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Hudson commented on HBASE-5945:
-------------------------------
SUCCESS: Integrated in hbase-0.96-hadoop2 #125 (See
[https://builds.apache.org/job/hbase-0.96-hadoop2/125/])
HBASE-5945 Reduce buffer copies in IPC server response path (stack: rev 1543463)
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/hbase/branches/0.96/hbase-client/src/main/java/org/apache/hadoop/hbase/ipc/IPCUtil.java
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/hbase/branches/0.96/hbase-client/src/main/java/org/apache/hadoop/hbase/protobuf/ProtobufUtil.java
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/hbase/branches/0.96/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/ipc/MetricsHBaseServerSource.java
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/hbase/branches/0.96/hbase-hadoop1-compat/src/main/java/org/apache/hadoop/hbase/ipc/MetricsHBaseServerSourceImpl.java
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/hbase/branches/0.96/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/ipc/MetricsHBaseServerSourceImpl.java
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/hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/BufferChain.java
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/hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/MetricsHBaseServer.java
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/hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcServer.java
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/hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
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/hbase/branches/0.96/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestFromClientSide3.java
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/hbase/branches/0.96/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverInterface.java
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/hbase/branches/0.96/hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestBufferChain.java
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/hbase/branches/0.96/hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestIPC.java
> Reduce buffer copies in IPC server response path
> ------------------------------------------------
>
> Key: HBASE-5945
> URL: https://issues.apache.org/jira/browse/HBASE-5945
> Project: HBase
> Issue Type: Improvement
> Components: IPC/RPC
> Affects Versions: 0.95.2
> Reporter: Todd Lipcon
> Assignee: stack
> Fix For: 0.96.1
>
> Attachments: 5945-in-progress.2.1.patch, 5945-in-progress.2.patch,
> 5945-in-progress.patch, 5945v2.txt, 5945v4.txt, 5945v4.txt, 5945v5.txt,
> buffer-copies.txt, even-fewer-copies.txt, hbase-5495.txt, with_patch.png,
> without_patch.png
>
>
> The new PB code is sloppy with buffers and makes several needless copies.
> This increases GC time a lot. A few simple changes can cut this back down.
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