Memory leakeage problem
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Key: IMAP-265
URL: https://issues.apache.org/jira/browse/IMAP-265
Project: JAMES Imap
Issue Type: Bug
Reporter: Wojtek Strzalka
There is constant memory leakage while heavy testing.
I was experiencing OOM while testing huge mailboxes with even single client
(greedy one - it open many simultanous connections).
So I'd increased memory for James and then did a memory dump after testing
session (all clients were disconnected > 10 minutes at the time) and checked
what's sitting there.
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66323 instances of class org.jboss.netty.buffer.BigEndianHeapChannelBuffer
66299 instances of class org.jboss.netty.util.internal.LinkedTransferQueue$Node
66250 instances of class org.jboss.netty.channel.DefaultChannelFuture
66250 instances of class org.jboss.netty.channel.DownstreamMessageEvent
7853 instances of class org.jboss.netty.buffer.TruncatedChannelBuffer
2048 instances of class
org.jboss.netty.util.internal.ConcurrentIdentityHashMap$Segment
2048 instances of class
[Lorg.jboss.netty.util.internal.ConcurrentIdentityHashMap$HashEntry;
512 instances of class org.jboss.netty.util.MapBackedSet
512 instances of class org.jboss.netty.util.internal.ConcurrentIdentityHashMap
512 instances of class
org.jboss.netty.util.internal.ConcurrentIdentityHashMap$KeyIterator
512 instances of class
org.jboss.netty.util.internal.ConcurrentIdentityHashMap$KeySet
512 instances of class
[Lorg.jboss.netty.util.internal.ConcurrentIdentityHashMap$Segment;
204 instances of class javax.mail.util.SharedFileInputStream
201 instances of class org.apache.james.imap.main.ResponseEncoder
197 instances of class
org.apache.james.imap.processor.IdleProcessor$IdleMailboxListener
174 instances of class
org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext
147 instances of class org.apache.james.mime4j.util.CharsetUtil$Charset
118 instances of class org.apache.log4j.CategoryKey
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