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From "Rohith Sharma K S (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-12863) Too many connection opened to TimelineServer while publishing entities
Date Wed, 02 Mar 2016 09:29:18 GMT
Rohith Sharma K S created HADOOP-12863:
------------------------------------------

             Summary: Too many connection opened to TimelineServer while publishing entities
                 Key: HADOOP-12863
                 URL: https://issues.apache.org/jira/browse/HADOOP-12863
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: Rohith Sharma K S
            Priority: Critical


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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