[jboss-user] [JBoss Cache: Core Edition] - Re: BerkeleyDB Deadlock Exception from JBoss Cache Loader: B

galder.zamarreno@jboss.com do-not-reply at jboss.com
Wed Jul 22 03:54:22 EDT 2009

With regards to the performance issue, please send me several thread dumps taken with 30s-1m difference each using the kill -3 or Ctrl+Break method explained in http://www.jboss.org/community/wiki/StackTrace and enable garbage collection logging http://www.jboss.org/community/wiki/TuneVMGarbageCollection

My suggestions here would be to try to spread the pojos under different FQNs making 3 or 4 layer structure if you have a lot of pojos. Please also look at reducing the number of detach() operations called, or attach() where you're attaching a Pojo to an existing Fqn.

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