Vladimir Ozerov created IGNITE-3203:
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Summary: Hadoop: permgen leak due to new statistics thread in
Hadoop.
Key: IGNITE-3203
URL: https://issues.apache.org/jira/browse/IGNITE-3203
Project: Ignite
Issue Type: Task
Components: hadoop
Affects Versions: 1.5.0.final, 1.6
Reporter: Vladimir Ozerov
Assignee: Ivan Veselovsky
Fix For: 1.7
*Problem*
HADOOP-12829 ticket was implemented recently. It introduces special worker
thread which monitors file system statistics. When several
{{HadoopClassLoader}}s are created, one thread start for each of them. As this
thread is never stopped, classloaders are never unloaded -> leak.
*Solution*
We need to investigate on how to hack into this process and prevent start of
these thread. May be we will have to implement our own threads serving the same
purpose.
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