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https://issues.apache.org/jira/browse/IMAP-265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13007250#comment-13007250
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Wojtek Strzalka commented on IMAP-265:
--------------------------------------
Full jmap dump on request - it's 25MB zip :(
> Memory leakeage problem
> -----------------------
>
> 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.
> ------------
> 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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