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https://issues.apache.org/jira/browse/HADOOP-9845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13738085#comment-13738085
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Hudson commented on HADOOP-9845:
--------------------------------
SUCCESS: Integrated in Hadoop-Yarn-trunk #300 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/300/])
HADOOP-9845. Update protobuf to 2.5 from 2.4.x. (tucu) (tucu:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1513281)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/pom.xml
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/pom.xml
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/pom.xml
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/pom.xml
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/pom.xml
*
/hadoop/common/trunk/hadoop-maven-plugins/src/main/java/org/apache/hadoop/maven/plugin/protoc/ProtocMojo.java
* /hadoop/common/trunk/hadoop-project/pom.xml
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/pom.xml
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/pom.xml
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml
> Update protobuf to 2.5 from 2.4.x
> ---------------------------------
>
> Key: HADOOP-9845
> URL: https://issues.apache.org/jira/browse/HADOOP-9845
> Project: Hadoop Common
> Issue Type: Improvement
> Components: performance
> Affects Versions: 2.0.5-alpha
> Reporter: stack
> Assignee: Alejandro Abdelnur
> Priority: Blocker
> Fix For: 2.1.0-beta
>
> Attachments: HADOOP-9845.patch, HADOOP-9845.patch
>
>
> protobuf 2.5 is a bit faster with a new Parse to avoid a builder step and a
> few other goodies that we'd like to take advantage of over in hbase
> especially now we are all pb all the time. Unfortunately the protoc
> generated files are no longer compatible w/ 2.4.1 generated files. Hadoop
> uses 2.4.1 pb. This latter fact makes it so we cannot upgrade until hadoop
> does.
> This issue suggests hadoop2 move to protobuf 2.5.
> I can do the patch no prob. if there is interest.
> (When we upgraded our build broke with complaints like the below:
> {code}
> java.lang.UnsupportedOperationException: This is supposed to be overridden by
> subclasses.
> at
> com.google.protobuf.GeneratedMessage.getUnknownFields(GeneratedMessage.java:180)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$GetDatanodeReportRequestProto.getSerializedSize(ClientNamenodeProtocolProtos.java:21566)
> at
> com.google.protobuf.AbstractMessageLite.toByteString(AbstractMessageLite.java:49)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.constructRpcRequest(ProtobufRpcEngine.java:149)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:193)
> at com.sun.proxy.$Proxy14.getDatanodeReport(Unknown Source)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:164)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:83)
> at com.sun.proxy.$Proxy14.getDatanodeReport(Unknown Source)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getDatanodeReport(ClientNamenodeProtocolTranslatorPB.java:488)
> at org.apache.hadoop.hdfs.DFSClient.datanodeReport(DFSClient.java:1887)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:1798
> ...
> {code}
> More over in HBASE-8165 if interested.
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