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From tmane <>
Subject Re: javax.jms.ResourceAllocationException: SystemUsage memory limit reached :Need to understand concept
Date Wed, 06 Oct 2010 14:42:48 GMT

Appreciate immediate reply from Active MQ experts.

Based on link provided this is mentioned under System Usage section:
"You can set limits of memory for NON_PERSISTENT messages, disk storage for
PERSITENT messages and total usage for temporary messages, the broker will
use before it slowdown producers. Using the default settings shown above,
the broker will block the send() call until some messages are consumed and
space becomes available on the broker. "

Above statement makes me understand that for persistent messages disk
storage is used by broker before it slowdowns producer.
This got me confused and to post a message in forum , as our system has 2gb
of disk storage and it has enough space, still the broker starts sending out
JMSException to stall the broker.


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