jbosscache-core-2.1.1.GA
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Hi All,

We recently implemented Jboss Cache for our application to reduce the memory 
footprint and we are now caching some common data in cache intead of being 
copied accross all users sessions

We have 2 regions below the root node and we have marked the root node as well 
as the region nodes as resident using the setResident(true) everything was 
working fine in unit tests and system integration tests but we had a problem in 
perfromance tests.

I have a static Hashtable into which I am storing these 2 region nodes maked as 
resident, for putting/getting in cache client passes the key with which the 
region node is stored in the Hashtable. The put/get function in turn pulls the 
region node from Hashtable and adds or gets the node and its data is passed 
back to the client.

But in Performance/Load Testing we encontered an issue when the system ran fine 
for about 1.30 hours but after that suddenly the region nodes were found to be 
null as if evicted. Although the eviction config was not correct in the sense 
all the values for LRUPolicy like the maxNodes, timeToLiveSeconds and 
wakeUpIntervalSeconds for both the regions were very low considering the Load 
Tests.

But still we feel that the nodes still should not have been evicted, and at the 
most the performance shuould have gone down.

Has any one faced such an issue or is aware of any such limitations ?

Thanks,
Mahendra

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