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From jimmymartin <>
Subject Re: ava.lang.OutOfMemoryError: Failed to fork OS thread - 5.2.0 broker
Date Tue, 06 Oct 2009 22:00:47 GMT


The message size is ~1500 bytes on average, 90% are 1100 bytes. The consumer
should be very fast, up to 1000 msg/sec for each consumer with 24 consumers
pulling from a single broker. The producers are not enqueueing anything near
that rate. Generally we are in the 50-100 msg/sec rate for all the producers

Our configuration is pretty much the stock config. The only real change we
have made is to turn off the dedicate task runner:

Thanks for your help, 

Dan Tran wrote:
> Default flow control can nail you. how big is your message, how fast is
> your consumer, and what is your broker configuration look like?
> -D

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