Hi,

When this cache was introduced it was intended to be local.

thanks,
dimuthu



On Wed, Jul 10, 2013 at 2:49 PM, Afkham Azeez <[email protected]> wrote:

>
>
>
> On Wed, Jul 10, 2013 at 2:44 PM, Amila Suriarachchi <[email protected]>wrote:
>
>>
>>
>>
>> On Wed, Jul 10, 2013 at 2:33 PM, Afkham Azeez <[email protected]> wrote:
>>
>>> Prabath said that the UserRealm does not have to be in a replicated
>>> cache, so I introduced the concept of a local cache to the caching
>>> implementation. In order to get a local cache, the cache name has to start
>>> with the following;
>>>
>>>     public static final String LOCAL_CACHE_PREFIX = "$__local__$.";
>>>
>>>
>>> So RealCache code was changed to provide the cache name as follows:
>>>
>>> public static final String CUSTOM_TENANT_CACHE =
>>>             CachingConstants.LOCAL_CACHE_PREFIX + "CUSTOM_TENANT_CACHE";
>>>
>>
>> For local things why it is required to add to distributed cache? We can
>> keep them in a map or some place within the OSGI service.
>>
>
> Yes, in most cases, just using an in memory map would be sufficient.
> However, the caching framework takes care of invalidation, eviction and so
> on, so you don't need to worry about cleaning up & maintaining that Map. It
> will also allow you to easily switch to a distributed mode in the future.
>
>
>>
>> thanks,
>> Amila.
>>
>>>
>>>
>>> On Wed, Jul 10, 2013 at 1:20 PM, Amila Suriarachchi <[email protected]>wrote:
>>>
>>>> IMHO we should not cache whole user realm. Only thing we need to cache
>>>> is the authorisation details.
>>>>
>>>> The problem with authorisation details this that when one node
>>>> enable/disable them it has to appear on all nodes. User realm is some thing
>>>> we need to build from the configuration and keep in local memory.
>>>>
>>>> thanks
>>>> Amila.
>>>>
>>>>
>>>> On Wed, Jul 10, 2013 at 12:49 PM, Afkham Azeez <[email protected]> wrote:
>>>>
>>>>> [2013-07-10 12:47:30,491]  WARN
>>>>> {org.wso2.carbon.user.core.common.DefaultRealm} -  You cannot disable the
>>>>> primary user store.
>>>>> [2013-07-10 12:47:30,554] ERROR
>>>>> {org.wso2.carbon.user.core.common.DefaultRealmService} -
>>>>>  java.io.NotSerializableException:
>>>>> org.wso2.carbon.user.core.common.DefaultRealm
>>>>> com.hazelcast.nio.HazelcastSerializationException:
>>>>> java.io.NotSerializableException:
>>>>> org.wso2.carbon.user.core.common.DefaultRealm
>>>>> at
>>>>> com.hazelcast.nio.AbstractSerializer.toByte(AbstractSerializer.java:111)
>>>>>  at
>>>>> com.hazelcast.nio.AbstractSerializer.toByteArray(AbstractSerializer.java:139)
>>>>> at com.hazelcast.nio.Serializer.writeObject(Serializer.java:56)
>>>>>  at com.hazelcast.impl.ThreadContext.toData(ThreadContext.java:131)
>>>>> at com.hazelcast.nio.IOUtil.toData(IOUtil.java:139)
>>>>>  at
>>>>> com.hazelcast.impl.BaseManager$RequestBasedCall.setLocal(BaseManager.java:512)
>>>>> at
>>>>> com.hazelcast.impl.BaseManager$ResponseQueueCall.setLocal(BaseManager.java:544)
>>>>>  at
>>>>> com.hazelcast.impl.ConcurrentMapManager$MPut.txnalPut(ConcurrentMapManager.java:1876)
>>>>> at
>>>>> com.hazelcast.impl.ConcurrentMapManager$MPut.txnalPut(ConcurrentMapManager.java:1830)
>>>>>  at
>>>>> com.hazelcast.impl.ConcurrentMapManager$MPut.put(ConcurrentMapManager.java:1692)
>>>>> at com.hazelcast.impl.MProxyImpl$MProxyReal.put(MProxyImpl.java:634)
>>>>>  at com.hazelcast.impl.MProxyImpl$MProxyReal.put(MProxyImpl.java:608)
>>>>> at com.hazelcast.impl.MProxyImpl.put(MProxyImpl.java:173)
>>>>>  at com.hazelcast.impl.MProxyImpl.put(MProxyImpl.java:124)
>>>>> at org.wso2.carbon.caching.impl.CacheImpl.put(CacheImpl.java:301)
>>>>>  at
>>>>> org.wso2.carbon.user.core.common.RealmCache.addToCache(RealmCache.java:121)
>>>>> at
>>>>> org.wso2.carbon.user.core.common.RealmCache.addToCache(RealmCache.java:86)
>>>>>  at
>>>>> org.wso2.carbon.user.core.common.DefaultRealmService.getTenantUserRealm(DefaultRealmService.java:170)
>>>>>
>>>>>
>>>>> --
>>>>> *Afkham Azeez*
>>>>> Director of Architecture; WSO2, Inc.; http://wso2.com
>>>>> Member; Apache Software Foundation; http://www.apache.org/
>>>>> * <http://www.apache.org/>**
>>>>> email: **[email protected]* <[email protected]>* cell: +94 77 3320919
>>>>> blog: **http://blog.afkham.org* <http://blog.afkham.org>*
>>>>> twitter: 
>>>>> **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez>
>>>>> *
>>>>> linked-in: **http://lk.linkedin.com/in/afkhamazeez*
>>>>> *
>>>>> *
>>>>> *Lean . Enterprise . Middleware*
>>>>>
>>>>> _______________________________________________
>>>>> Dev mailing list
>>>>> [email protected]
>>>>> http://wso2.org/cgi-bin/mailman/listinfo/dev
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> *Amila Suriarachchi*
>>>>
>>>> Software Architect
>>>> WSO2 Inc. ; http://wso2.com
>>>> lean . enterprise . middleware
>>>>
>>>> phone : +94 71 3082805
>>>>
>>>
>>>
>>>
>>> --
>>> *Afkham Azeez*
>>> Director of Architecture; WSO2, Inc.; http://wso2.com
>>> Member; Apache Software Foundation; http://www.apache.org/
>>> * <http://www.apache.org/>**
>>> email: **[email protected]* <[email protected]>* cell: +94 77 3320919
>>> blog: **http://blog.afkham.org* <http://blog.afkham.org>*
>>> twitter: **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez>
>>> *
>>> linked-in: **http://lk.linkedin.com/in/afkhamazeez*
>>> *
>>> *
>>> *Lean . Enterprise . Middleware*
>>>
>>
>>
>>
>> --
>> *Amila Suriarachchi*
>>
>> Software Architect
>> WSO2 Inc. ; http://wso2.com
>> lean . enterprise . middleware
>>
>> phone : +94 71 3082805
>>
>
>
>
> --
> *Afkham Azeez*
> Director of Architecture; WSO2, Inc.; http://wso2.com
> Member; Apache Software Foundation; http://www.apache.org/
> * <http://www.apache.org/>**
> email: **[email protected]* <[email protected]>* cell: +94 77 3320919
> blog: **http://blog.afkham.org* <http://blog.afkham.org>*
> twitter: **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez>
> *
> linked-in: **http://lk.linkedin.com/in/afkhamazeez*
> *
> *
> *Lean . Enterprise . Middleware*
>



-- 
Dimuthu Leelarathne
Architect & Product Lead of App Factory

WSO2, Inc. (http://wso2.com)
email: [email protected]
Mobile : 0773661935

Lean . Enterprise . Middleware
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