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https://issues.apache.org/jira/browse/HDFS-14162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16768689#comment-16768689
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Hudson commented on HDFS-14162:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #15960 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/15960/])
HDFS-14162. [SBN read] Allow Balancer to work with Observer node. Add a
(xkrogen: rev 64f28f9efa2ef3cd9dd54a6c5009029721e030ed)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/HATestUtil.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/NameNodeHAProxyFactory.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/NameNodeConnector.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/NameNodeProxies.java
* (add)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/BalancerProtocols.java
* (add)
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/ProxyCombiner.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/HAProxyFactory.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/ObserverReadProxyProvider.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancerWithHANameNodes.java
> Balancer should work with ObserverNode
> --------------------------------------
>
> Key: HDFS-14162
> URL: https://issues.apache.org/jira/browse/HDFS-14162
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Konstantin Shvachko
> Assignee: Erik Krogen
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: HDFS-14162-HDFS-12943.wip0.patch, HDFS-14162.000.patch,
> HDFS-14162.001.patch, HDFS-14162.002.patch, HDFS-14162.003.patch,
> HDFS-14162.004.patch, ReflectionBenchmark.java,
> testBalancerWithObserver-3.patch, testBalancerWithObserver.patch
>
>
> Balancer provides a substantial RPC load on NameNode. It would be good to
> divert Balancer RPCs {{getBlocks()}}, etc. to ObserverNode. The main problem
> is that Balancer uses {{NamenodeProtocol}}, while ORPP currently supports
> only {{ClientProtocol}}.
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