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Posted to yarn-issues@hadoop.apache.org by "JoeXu (Jira)" <ji...@apache.org> on 2024/04/19 14:41:00 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=17839021#comment-17839021 ]
JoeXu commented on YARN-4754:
-----------------------------
Hi [~mr.wang] [~hansonhe] ,
Have you figure out the reason of the issue?
We have the same issue when use ATS 1.5.
It will be appreciated if you can share any input on the issue.
> 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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