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https://issues.apache.org/jira/browse/YARN-4496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15113495#comment-15113495
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Hudson commented on YARN-4496:
------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #9172 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/9172/])
YARN-4496. Improve HA ResourceManager Failover detection on the client. (xgong:
rev 618bfd6ac2a5b62d39e9bed80f75362bafc0ef28)
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/src/test/java/org/apache/hadoop/yarn/server/MiniYARNCluster.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeStatusUpdater.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/ConfiguredRMFailoverProxyProvider.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/RequestHedgingRMFailoverProxyProvider.java
* hadoop-yarn-project/CHANGES.txt
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/TestHedgingRequestRMFailoverProxyProvider.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/RMProxy.java
> Improve HA ResourceManager Failover detection on the client
> -----------------------------------------------------------
>
> Key: YARN-4496
> URL: https://issues.apache.org/jira/browse/YARN-4496
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: client, resourcemanager
> Reporter: Arun Suresh
> Assignee: Jian He
> Fix For: 2.9.0
>
> Attachments: YARN-4496.1.patch, YARN-4496.2.patch, YARN-4496.3.patch,
> YARN-4496.4.patch, YARN-4496.5.patch, YARN-4496.6.patch
>
>
> HDFS deployments can currently use the {{RequestHedgingProxyProvider}} to
> improve Namenode failover detection in the client. It does this by
> concurrently trying all namenodes and picks the namenode that returns the
> fastest with a successful response as the active node.
> It would be useful to have a similar ProxyProvider for the Yarn RM (it can
> possibly be done by converging some the class hierarchies to use the same
> ProxyProvider)
> This would especially be useful for large YARN deployments with multiple
> standby RMs where clients will be able to pick the active RM without having
> to traverse a list of configured RMs.
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