Hello,
Please see the attached mail.
Regards,
Raj Abhishek
--- Begin Message ---
Hello,
We are trying to use JCS as a cache for our distributed hash table
implementation here. The hash-table ( a java implementation of kademlia
) stores ( key, value ) pairs. We found, however, that we get the above
"out of memory" error when the java heap crosses the specified limit (
-Xmx1024M option ). The reason why heap-limit is reached, is because of
the huge "org.apache.jcs.engine.Memory.lru.LRUMemoryCache" object, which
is of almost the same size as the heap limit.
I am attaching herewith the "cache.ccf" file here, please let us know if
any one of the settings therein may be causing this ?
Is anything else needed ?
Regards,
Raj Abhishek
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# and open the template in the editor.
# DEFAULT CACHE REGION
jcs.default=
jcs.default.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes
jcs.default.cacheattributes.MaxObjects=1000000
jcs.default.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory.lru.LRUMemoryCache
jcs.default.cacheattributes.UseMemoryShrinker=true
jcs.default.cacheattributes.MaxMemoryIdleTimeSeconds=3600
jcs.default.cacheattributes.ShrinkerIntervalSeconds=300
jcs.default.elementattributes=org.apache.jcs.engine.ElementAttributes
jcs.default.elementattributes.IsEternal=false
jcs.default.elementattributes.MaxLifeSeconds=21600
jcs.default.elementattributes.IdleTime=1800
jcs.default.elementattributes.IsSpool=true
jcs.default.elementattributes.IsRemote=true
jcs.default.elementattributes.IsLateral=true
# PRE-DEFINED CACHE REGIONS
jcs.region.testCache1=DC
jcs.region.testCache1.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes
jcs.region.testCache1.cacheattributes.MaxObjects=1000
jcs.region.testCache1.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory.lru.LRUMemoryCache
jcs.region.testCache1.cacheattributes.UseMemoryShrinker=false
jcs.region.testCache1.cacheattributes.MaxMemoryIdleTimeSeconds=3600
jcs.region.testCache1.cacheattributes.ShrinkerIntervalSeconds=60
jcs.region.testCache1.cacheattributes.MaxSpoolPerRun=500
jcs.region.testCache1.elementattributes=org.apache.jcs.engine.ElementAttributes
jcs.region.testCache1.elementattributes.IsEternal=false
# AVAILABLE AUXILIARY CACHES
jcs.auxiliary.DC=org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheFactory
jcs.auxiliary.DC.attributes=org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheAttributes
#jcs.auxiliary.DC.attributes.DiskPath=/home/shiva/jcs_swap
jcs.auxiliary.DC.attributes.DiskPath=/opt/qbase3/jcs_swap
jcs.auxiliary.DC.attributes.MaxPurgatorySize=10000000
jcs.auxiliary.DC.attributes.MaxKeySize=1000000
jcs.auxiliary.DC.attributes.MaxRecycleBinSize=5000
jcs.auxiliary.DC.attributes.OptimizeAtRemoveCount=300000
jcs.auxiliary.DC.attributes.ShutdownSpoolTimeLimit=60
--- End Message ---
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