[jira] [Created] (AMBARI-12741) AMS Collector process takes way more Virtual memory than Xmx setting

["Artem Baranchuk (JIRA)" <ji...@apache.org>]

Artem Baranchuk created AMBARI-12741:
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             Summary: AMS Collector process takes way more Virtual memory than Xmx setting
                 Key: AMBARI-12741
                 URL: https://issues.apache.org/jira/browse/AMBARI-12741
             Project: Ambari
          Issue Type: Task
          Components: ambari-metrics
    Affects Versions: 2.1.2
            Reporter: Artem Baranchuk
            Assignee: Artem Baranchuk
            Priority: Critical
             Fix For: 2.1.2


Ambari Metrics Collector grabs almost whole free memory for VSZ just after start.
{noformat}
 free -g

                total       used       free     shared    buffers     cached
Mem:            29         14         15          0          0          4
{noformat}
As you can see free mem is 15GB
AMS Collector process:
{noformat}
ps -u -p 15921 | awk '{print $0}'

USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
ams      25954  4.9  7.0 13782216 2167184 ?    Sl   14:00   1:26 /usr/jdk64/jdk1.8.0_40/bin/java -Djava.library.path=/usr/lib/ams-hbase/lib/hadoop-native -Xmx512m  -cp /usr/lib/ambari-metrics-collector/*:/etc/ambari-metrics-collector/conf -Djava.net.preferIPv4Stack=true -Dams.log.dir=/var/log/ambari-metrics-collector -Dproc_timelineserver org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer
{noformat}



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