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Posted to yarn-issues@hadoop.apache.org by "Kevin wang (Jira)" <ji...@apache.org> on 2021/03/26 03:19:00 UTC
[jira] [Commented] (YARN-4754) Too many connection opened to
TimelineServer while publishing entities
[ https://issues.apache.org/jira/browse/YARN-4754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17309129#comment-17309129 ]
Kevin wang commented on YARN-4754:
----------------------------------
[~rohithsharma]If you have Kerberos authentication enabled ,That's what's causing the problem,Let's see if the user has permission,[~Ying Zhang]Your code is correct
> Too many connection opened to TimelineServer while publishing entities
> ----------------------------------------------------------------------
>
> Key: YARN-4754
> URL: https://issues.apache.org/jira/browse/YARN-4754
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Rohith Sharma K S
> Priority: Critical
> Attachments: ConnectionLeak.rar
>
>
> It is observed that there are too many connections are kept opened to TimelineServer while publishing entities via SystemMetricsPublisher. This cause sometimes resource shortage for other process or RM itself
> {noformat}
> tcp 0 0 10.18.99.110:3999 10.18.214.60:59265 ESTABLISHED 115302/java
> tcp 0 0 10.18.99.110:25001 :::* LISTEN 115302/java
> tcp 0 0 10.18.99.110:25002 :::* LISTEN 115302/java
> tcp 0 0 10.18.99.110:25003 :::* LISTEN 115302/java
> tcp 0 0 10.18.99.110:25004 :::* LISTEN 115302/java
> tcp 0 0 10.18.99.110:25005 :::* LISTEN 115302/java
> tcp 1 0 10.18.99.110:48866 10.18.99.110:8188 CLOSE_WAIT 115302/java
> tcp 1 0 10.18.99.110:48137 10.18.99.110:8188 CLOSE_WAIT 115302/java
> tcp 1 0 10.18.99.110:47553 10.18.99.110:8188 CLOSE_WAIT 115302/java
> tcp 1 0 10.18.99.110:48424 10.18.99.110:8188 CLOSE_WAIT 115302/java
> tcp 1 0 10.18.99.110:48139 10.18.99.110:8188 CLOSE_WAIT 115302/java
> tcp 1 0 10.18.99.110:48096 10.18.99.110:8188 CLOSE_WAIT 115302/java
> tcp 1 0 10.18.99.110:47558 10.18.99.110:8188 CLOSE_WAIT 115302/java
> tcp 1 0 10.18.99.110:49270 10.18.99.110:8188 CLOSE_WAIT 115302/java
> {noformat}
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