[jboss-user] [JBoss Cache: Core Edition] - Out of memory heap

[janbols]

Hi, 
I'm testing a setup of 2 gridgain nodes sharing a jbossCache that's used to store certain messages. When I run both nodes on the same JVM I notice the memory heap soon reaches it's limit.

I tried analysing it with a profiler and found that the org.jgroups.stack.NakReceiverWindow was holding 90% of the available memory.

Do you have any ideas what I'm doing wrong?

You can find the configuration of the jBossCache below.

  | <?xml version="1.0" encoding="UTF-8"?>
  | 
  | <server>
  | 	<mbean code="org.jboss.cache.jmx.CacheJmxWrapper" name="jboss.cache:service=Cache">
  | 
  | 		<attribute name="TransactionManagerLookupClass">org.jboss.cache.transaction.GenericTransactionManagerLookup
  | 		</attribute>
  | 
  | 		<attribute name="IsolationLevel">REPEATABLE_READ</attribute>
  | 
  | 		<attribute name="LockParentForChildInsertRemove">true</attribute>
  | 
  | 		<attribute name="CacheMode">REPL_ASYNC</attribute>
  | 
  | 		<attribute name="ClusterName">JBossCache-Cluster-TMS-NG</attribute>
  | 		<attribute name="ClusterConfig">
  | 			<config>
  | 
  | 				<UDP mcast_addr="228.1.2.3" mcast_port="48866"
  | 					 ip_ttl="64" ip_mcast="true"
  | 					 mcast_send_buf_size="150000" mcast_recv_buf_size="80000"
  | 					 ucast_send_buf_size="150000" ucast_recv_buf_size="80000"
  | 					 loopback="false"/>
  | 				<PING timeout="2000" num_initial_members="3"/>
  | 				<MERGE2 min_interval="10000" max_interval="20000"/>
  | 				<FD shun="true"/>
  | 				<FD_SOCK/>
  | 				<VERIFY_SUSPECT timeout="1500"/>
  | 				<pbcast.NAKACK gc_lag="50" retransmit_timeout="600,1200,2400,4800"/>
  | 				<UNICAST timeout="600,1200,2400,4800"/>
  | 				<pbcast.STABLE desired_avg_gossip="400000"/>
  | 				<FC max_credits="2000000" min_threshold="0.10"/>
  | 				<FRAG2 frag_size="8192"/>
  | 				<pbcast.GMS join_timeout="5000" shun="true" print_local_addr="true"/>
  | 				<pbcast.STATE_TRANSFER/>
  | 			</config>
  | 		</attribute>
  | 
  | 		<attribute name="StateRetrievalTimeout">20000</attribute>
  | 
  | 		<attribute name="SyncReplTimeout">20000</attribute>
  | 
  | 		<attribute name="LockAcquisitionTimeout">15000</attribute>
  | 
  | 		<attribute name="ShutdownHookBehavior">DEFAULT</attribute>
  | 
  | 		<attribute name="UseLazyDeserialization">true</attribute>
  | 
  | 	</mbean>
  | </server>
  | 

I'm using jBossCache 2.2.0.GA


I'm completely new to jBossCache or jGroups. Obviuosly.

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