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https://issues.apache.org/jira/browse/YARN-6702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rohith Sharma K S updated YARN-6702:
------------------------------------
Attachment: YARN-6702.01.patch
attached patch closing curator client if it is created by ZKRMStateStore
> Zk connection leak during activeService fail if embedded elector is not
> curator
> -------------------------------------------------------------------------------
>
> Key: YARN-6702
> URL: https://issues.apache.org/jira/browse/YARN-6702
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 3.0.0-alpha3
> Reporter: Bibin A Chundatt
> Assignee: Rohith Sharma K S
> Priority: Critical
> Attachments: YARN-6702.01.patch
>
>
> {{ResourceManager#transitionToActive}} startActiveService Failure the active
> services are reinitialized.
> {code}
> this.rmLoginUGI.doAs(new PrivilegedExceptionAction<Void>() {
> @Override
> public Void run() throws Exception {
> try {
> startActiveServices();
> return null;
> } catch (Exception e) {
> reinitialize(true);
> throw e;
> }
> }
> });
> {code}
> {{ZKRMStateStore#initInternal}} will create another ZK connection.
> {code}
> curatorFramework = resourceManager.getCurator();
> if (curatorFramework == null) {
> curatorFramework = resourceManager.createAndStartCurator(conf);
> }
> {code}
> {quote}
> secureuser@vm1:/opt/hadoop/release/hadoop/sbin> netstat -aen | grep 2181
> tcp 0 0 192.168.56.101:49222 192.168.56.103:2181
> ESTABLISHED 1004 31984
> tcp 0 0 192.168.56.101:46016 192.168.56.103:2181
> ESTABLISHED 1004 26120
> tcp 0 0 192.168.56.101:50918 192.168.56.103:2181
> ESTABLISHED 1004 34761
> tcp 0 0 192.168.56.101:49598 192.168.56.103:2181
> ESTABLISHED 1004 32483
> tcp 0 0 192.168.56.101:49472 192.168.56.103:2181
> ESTABLISHED 1004 32364
> tcp 0 0 192.168.56.101:50708 192.168.56.103:2181
> ESTABLISHED 1004 34310
> {quote}
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