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From Matthew Cooke <mpcoo...@lineone.net>
Subject JCS remote cache problems
Date Mon, 19 Apr 2004 20:34:05 GMT
Travis (or anyone else!),

I'm having some problems with the remote cache implementation, it seems 
that items aren't getting updated on the servers after a put is 
performed on one machine.
I'm not sure what the problem is, I've got a feeling only the first put 
is working and I didn't notice because the cached content doesn't change 
that fast in our system.

This could be a bug in my usage of JCS or in the config file it may well 
not be a bug in the improved JCS.
What might cause items to not be deleted in the connected machines 
caches when a new put occurs?

Any ideas or suggestions much appreciated, I will be trying to reproduce 
this problem back in testing again tomorrow!

Kind Regards,
Matt.

PS Below I attach first the ccf file used by most machines and below 
that the remote.ccf file used on the RemoteServer



# Normal config for MFN Production 
servers                                                                                  
                                                                                

##############################################################
################## DEFAULT CACHE REGION  #####################
# sets the default aux value for any non configured caches
jcs.default=DC,RC
jcs.default.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes
jcs.default.cacheattributes.MaxObjects=1000
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=60
jcs.default.cacheattributes.ShrinkerIntervalSeconds=60
jcs.default.elementattributes=org.apache.jcs.engine.ElementAttributes
jcs.default.elementattributes.IsEternal=false
jcs.default.elementattributes.MaxLifeSeconds=7
jcs.default.elementattributes.IdleTime=1800
jcs.default.elementattributes.IsSpool=true
jcs.default.elementattributes.IsRemote=true
jcs.default.elementattributes.IsLateral=true
                                                                                         
                                                                                         


# SYSTEM CACHE
# should be defined for the storage of group attribute list
jcs.system.groupIdCache=DC,RC
jcs.system.groupIdCache.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes
jcs.system.groupIdCache.cacheattributes.MaxObjects=10000
jcs.system.groupIdCache.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory.lru.LRUMemoryCache
jcs.system.groupIdCache.elementattributes=org.apache.jcs.engine.ElementAttributes
jcs.system.groupIdCache.elementattributes.IsEternal=true
jcs.system.groupIdCache.elementattributes.MaxLifeSeconds=3600
jcs.system.groupIdCache.elementattributes.IdleTime=1800
jcs.system.groupIdCache.elementattributes.IsSpool=true
jcs.system.groupIdCache.elementattributes.IsRemote=true
jcs.system.groupIdCache.elementattributes.IsLateral=true
                                                                                         
                                                                                         


                                                                                         
                                                                                         


##############################################################
################## CACHE REGIONS AVAILABLE ###################
# Regions preconfirgured for caching
                                                                                         
                                                                                         


jcs.region.primaryCache=DC,RC
jcs.region.primaryCache.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes
jcs.region.primaryCache.cacheattributes.MaxObjects=4000
jcs.region.primaryCache.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory.lru.LRUMemoryCache
jcs.region.primaryCache.cacheattributes.UseMemoryShrinker=true
jcs.region.primaryCache.cacheattributes.MaxMemoryIdleTimeSeconds=10
jcs.region.primaryCache.cacheattributes.ShrinkerIntervalSeconds=60
jcs.region.primaryCache.elementattributes=org.apache.jcs.engine.ElementAttributes
jcs.region.primaryCache.elementattributes.IsEternal=false
jcs.region.primaryCache.elementattributes.MaxLifeSeconds=259200
jcs.region.primaryCache.elementattributes.IsSpool=true
jcs.region.primaryCache.elementattributes.IsRemote=true
jcs.region.primaryCache.elementattributes.IsLateral=true
                                                                                         
                                                                                         


##############################################################
################## AUXILIARY CACHES AVAILABLE ################
                                                                                         
                                                                                         


# Disk Cache used as an overflow cache when the main memory cache is full.
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=/usr/local/web/jcscache
                                                                                         
                                                                                         


# This is an RMI based remote cache.
jcs.auxiliary.RC=org.apache.jcs.auxiliary.remote.RemoteCacheFactory
jcs.auxiliary.RC.attributes=org.apache.jcs.auxiliary.remote.RemoteCacheAttributes
jcs.auxiliary.RC.attributes.RemoteHost=builder
jcs.auxiliary.RC.attributes.RemotePort=1099
jcs.auxiliary.RC.attributes.LocalPort=1103
jcs.auxiliary.RC.attributes.RemoveUponRemotePut=false
#jcs.auxiliary.RC.attributes.RemoteServiceName=RemoteCache



-----------





# Config for MFN Central JCS server. 
                                                                                         
                                                                 

##############################################################
################## DEFAULT CACHE REGION  #####################
# Registry used to register and provide the
# IRemoteCacheService service.
registry.host=localhost
registry.port=1099
                                                                                         
                                                                                         


                                                                                         
                                                                                         


##############################################################
################## DEFAULT CACHE REGION  #####################
# sets the default aux value for any non configured caches
jcs.default=DC
jcs.default.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes
jcs.default.cacheattributes.MaxObjects=1000
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=60
jcs.default.cacheattributes.ShrinkerIntervalSeconds=60
jcs.default.elementattributes=org.apache.jcs.engine.ElementAttributes
jcs.default.elementattributes.IsEternal=false
jcs.default.elementattributes.MaxLifeSeconds=7
jcs.default.elementattributes.IdleTime=1800
jcs.default.elementattributes.IsSpool=true
jcs.default.elementattributes.IsRemote=true
jcs.default.elementattributes.IsLateral=true
                                                                                         
                                                                                         


# SYSTEM CACHE
# should be defined for the storage of group attribute list
jcs.system.groupIdCache=DC
jcs.system.groupIdCache.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes
jcs.system.groupIdCache.cacheattributes.MaxObjects=10000
jcs.system.groupIdCache.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory.lru.LRUMemoryCache
jcs.system.groupIdCache.elementattributes=org.apache.jcs.engine.ElementAttributes
jcs.system.groupIdCache.elementattributes.IsEternal=true
jcs.system.groupIdCache.elementattributes.MaxLifeSeconds=3600
jcs.system.groupIdCache.elementattributes.IdleTime=1800
jcs.system.groupIdCache.elementattributes.IsSpool=true
jcs.system.groupIdCache.elementattributes.IsRemote=true
jcs.system.groupIdCache.elementattributes.IsLateral=true
                                                                                         
                                                                                         


                                                                                         
                                                                                         


##############################################################
################## CACHE REGIONS AVAILABLE ###################
# Regions preconfirgured for caching
                                                                                         
                                                                                         


jcs.region.primaryCache=DC
jcs.region.primaryCache.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes
jcs.region.primaryCache.cacheattributes.MaxObjects=10
jcs.region.primaryCache.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory.lru.LRUMemoryCache
jcs.region.primaryCache.cacheattributes.UseMemoryShrinker=true
jcs.region.primaryCache.cacheattributes.MaxMemoryIdleTimeSeconds=10
jcs.region.primaryCache.cacheattributes.ShrinkerIntervalSeconds=60
jcs.region.primaryCache.elementattributes=org.apache.jcs.engine.ElementAttributes
jcs.region.primaryCache.elementattributes.IsEternal=false
jcs.region.primaryCache.elementattributes.MaxLifeSeconds=60000
jcs.region.primaryCache.elementattributes.IsSpool=true
jcs.region.primaryCache.elementattributes.IsRemote=true
jcs.region.primaryCache.elementattributes.IsLateral=true
                                                                                         
                                                                                         


# Primary Disk Cache-- faster than the rest because of memory key storage
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=/usr/local/web/MasterJcsCache

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