Resolution:
Description:
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Memory consumed by cache server increases over a period of time .

Environment:
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TIBCO BusinessEvents 4.x
All Operating Systems
Coherence Cache

Symptoms :
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Cache memory consumption increases even if the number of ontology objects in the cache are maintained at a constant number .

Cause :
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Even if the number of ontology objects in the cache are maintained at a constant number, the memory consumption of the cache servers may keep increasing . The increase in memory is mainly caused due to running JMX monitoring on the cache server. On analysis it is often found that the com.sun.jmx.interceptor.DefaultMBeanServerInterceptor class from JMX is resposible  and has the highest percentage increase of heap size from the start.

Resolution:
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Turn off JMX monitoring for all cache servers to reduce memory usage .