Amareshwari Sriramadasu created LENS-1278:
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Summary: Seeing too many instances of UDFClassloader getting
created
Key: LENS-1278
URL: https://issues.apache.org/jira/browse/LENS-1278
Project: Apache Lens
Issue Type: Bug
Components: server
Affects Versions: 2.6
Reporter: Amareshwari Sriramadasu
Assignee: Amareshwari Sriramadasu
Priority: Critical
Fix For: 2.6
We are seeing too many instances of UDFClassloader objects :
grep 'ClassLoader' jmap.dump
1439 138144 org.apache.hadoop.hive.ql.exec.UDFClassLoader
1789 128808 sun.reflect.DelegatingClassLoader
270 25920 org.apache.lens.server.session.SessionClassLoader
Mostly because of this -
https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java#L1794
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