[infinispan-dev] Eviction thread and purging expired entries

[Mircea Markus]

Ignore me. Actually this is already there and enabled by default, at cache store level (purgeSynchronously = false).
On 21 Jul 2010, at 15:46, Vladimir Blagojevic wrote:

> Yes this needs to be addressed. What I would certainly argue against is another configuration option for purging cache store. Try explaining that to average user :) 
> 
> Why can't he allocate more memory to target the plateau of projected memory usage? Or is this some temporary memory spike in his use case that can not be avoided.
> 
> 
> On 2010-07-21, at 9:24 AM, Mircea Markus wrote:
> 
>> Hi,
>> 
>> Eviction thread does two things right now:
>> - evict stuff from DataContainer
>> - purge entries from a CacheStore
>> 
>> CacheStore.purge might slow down eviction as it is generally an expensive operation. It might not even be needed, if the users don't use expiration. 
>> What about: 
>> a) making EvictionThread.purgeCacheStore configurable. 
>> or/and
>> b) use another thread for purging the store. 
>> 
>> This doesn't came out of the blue, there's a user that has eviction+cache store configured with eviction thread wakeup set to 1 sec - he still gets OOM.
>> 
>> Wdyt?
>> 
>> Cheers,
>> Mircea
>> _______________________________________________
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>> infinispan-dev at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/infinispan-dev
> 
> --
> Vladimir Blagojevic
> JBoss Clustering Team
> JBoss, by Red Hat
> 
> 
> 
> 
> 
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