guluo created AMBARI-25669:
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Summary: The usage rate of Ambari Old memory is almost 100%, and
cannot return to normal levels
Key: AMBARI-25669
URL: https://issues.apache.org/jira/browse/AMBARI-25669
Project: Ambari
Issue Type: Bug
Components: ambari-sever
Affects Versions: 2.7.3
Environment: os type： linux
Node env： 32cores 64GB
three-nodes cluster
ambari version:2.7.3
Ambari memory： -Xmx8192m -Xms8192m
Reporter: guluo
A large number of HTTP requests to access Ambari over a period of time，the
usage rate of Ambari Old memory is almost 100%. When stopping HTTP requests，
the useage memory cannot return to normal levels.
I executed command： jmap -histo:live | grep Session, and found the number of
Session instances is close to 20000，and maintain this level for a long
time（sometim more than one day）. Under normal circumstances, the number of
this object will not exceed 2000
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