Hotrod server memory leak after enable idle timeout
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Key: ISPN-1611
URL:
https://issues.jboss.org/browse/ISPN-1611
Project: Infinispan
Issue Type: Bug
Components: Cache Server
Affects Versions: 5.1.0.CR1
Reporter: hs z
Assignee: Manik Surtani
i set --idle_timeout=15 as param, threads count and memory usage always grow, i got a heap
dump and found many netty HashedWheelTimer instances cost much memory.
in HashedWheelTimer javadoc, it says: "Do not create many instances. HashedWheelTimer
creates a new thread whenever it is instantiated and started. Therefore, you should make
sure to create only one instance and share it across your application. One of the common
mistakes, that makes your application unresponsive, is to create a new instance in
ChannelPipelineFactory, which results in the creation of a new thread for every
connection.". but in infinispan NettyChannelPipelineFactory.scala, there is
"timer = new HashedWheelTimer", it's misused.
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