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From "Bibin A Chundatt (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8434) Nodemanager not registering to active RM in federation
Date Mon, 25 Jun 2018 04:43:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16521846#comment-16521846
] 

Bibin A Chundatt commented on YARN-8434:
----------------------------------------

Thank you [~subru] for looking in to the issue

I have configured the following in NM as per the documentation

[http://hadoop.apache.org/docs/r3.0.1/hadoop-yarn/hadoop-yarn-site/Federation.html]
{code:java}
yarn.client.failover-proxy-provider	org.apache.hadoop.yarn.server.federation.failover.FederationRMFailoverProxyProvider
{code}
But the same is used for NM-RM communication too. {{ServerRMProxy}} also uses {{yarn.client.failover-proxy-provider}}
for failover .


 Seems NM also will try to connect to RM using {{FederationRMFailoverProxyProvider}}
{code:java}
  <property>
    <description>When HA is enabled, the class to be used by Clients, AMs and
      NMs to failover to the Active RM. It should extend
      org.apache.hadoop.yarn.client.RMFailoverProxyProvider</description>
    <name>yarn.client.failover-proxy-provider</name>
    <value>org.apache.hadoop.yarn.client.ConfiguredRMFailoverProxyProvider</value>
  </property>
{code}

> Nodemanager not registering to active RM in federation
> ------------------------------------------------------
>
>                 Key: YARN-8434
>                 URL: https://issues.apache.org/jira/browse/YARN-8434
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Bibin A Chundatt
>            Assignee: Bibin A Chundatt
>            Priority: Blocker
>
> FederationRMFailoverProxyProvider doesn't handle connecting to active RM. 



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