Yes, 1.1.7 but 1.1.6 as well.
> -----Original Message----- > From: Emmanuel Lecharny <[EMAIL PROTECTED]> > Sent: Saturday 26 July 2008 10:20 > To: [email protected] > CC: > Subject: Re: byte[] usage - not GCd > > > Hi, > > MINA 1.1.7 ? > > Gerrit Grobbelaar wrote: > > YourKit shows the Class list as follows: > > - java.nio.HeapByteBuffer > > - org.apache.mina.common.SimpleByteBufferAllocator$SimpleByteBuffer > > - org.apache.mina.filter.codec.ProtocolCodecFilter$HiddenByteBuffer > > - org.apache.mina.common.IoFilter$WriteRequest > > - java.util.concurrent.ConcurrentLinkedQueue$Node > > > > Note the above contributes 99%+ for the byte[] allocations, and the > > byte[] allocations are causing the OOM. > > > >> -----Original Message----- > >> From: Gerrit Grobbelaar <[EMAIL PROTECTED]> > >> Sent: Saturday 26 July 2008 09:48 > >> To: [email protected] > >> CC: > >> Subject: Re: byte[] usage - not GCd > >> > >> > >> Another symptom: > >> - 100 Java client bots connected, sending NO messages. > >> - 1 Flash client, typing in a message every 2 seconds > >> - memory consumption (byte[] allocations) increases and a Mark Sweep > >> with JConsole doesn't do anything (stays on 100s of MBs). > >> - kill off all bots > >> - Mark sweep > >> - Heap mem usage drops to about 2 - 5MB > >> > >>> -----Original Message----- > >>> From: Gerrit Grobbelaar <[EMAIL PROTECTED]> > >>> Sent: Saturday 26 July 2008 09:33 > >>> To: [email protected] > >>> CC: > >>> Subject: byte[] usage - not GCd > >>> > >>> > >>> Hi, > >>> > >>> I'm having an issue with OOM - here is my story: > >>> > >>> Criteria: > >>> -------- > >>> - concurrent clients connecting to a chatserver, need to broadcast the > >>> messages > >>> - clients keep same connection (each one having its own IoSession > >>> during lifetime) > >>> > >>> > >>> Symptoms: > >>> -------- > >>> - massive amounts of byte[] allocations that just grows and grows, > >>> until OOM. - still OOM even if i have 100 bots connected, sending one > >>> message each every 5 minutes > >>> > >>> When I have 1 - 5 clients connected (all simulated with bots) that send > >>> one message per bot every 2 - 5 seconds, heap space stays under control > >>> with GC. > >>> > >>> > >>> Configs/Tools: > >>> ------------- > >>> - JVM: 1.6u7 > >>> - VM arguments: -Xms128m -Xmx384m > >>> - Operating System: Linux 2.6.15.7 > >>> - Architecture: i386 > >>> - Number of processors: 2 > >>> - Model: Intel(R) Pentium(R) 4 CPU 2.80GHz > >>> - Committed virtual memory: 681,564 kbytes > >>> - Heap buffer allocation (Direct is very insufficient) > >>> - SimpleByteBufferAllocator (do note I have same result with > >>> PooledByteBufferAllocator) > >>> - YourKit and JProfiler > >>> > >>> Both YourKit and JProfiler point fingers at: > >>> byte[] allocation due to org.apache.mina.common.IoSession.write() calls > >>> > >>> > >>> What could I possibly be doing wrong that I will have the above > >>> scenario where the byte[] allocations never GC properly? > >>> > >>> Thanks, > >>> Gerrit
