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https://issues.apache.org/jira/browse/YARN-4754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17737052#comment-17737052
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hansonhe commented on YARN-4754:
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@[~mr.wang]
My {color:#2a2b2e}TimelineServer {color} {color:#2a2b2e}TimelineServer was
started or stopped by {color} user root.To run the tasks use some other users.
Do you mean that using the other users to start|stop
{color:#2a2b2e}TimelineServer{color} check {color:#2a2b2e}permission {color}?
If not,can you tell me the detail way?
> 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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