RE: OJB caching and concurrent access

2009-03-18 Thread Ron Bagdanoff
Don't know if anyone has responded to you on this, but what you need is a distributed cache implementation. Unfortunately OJB does not have a distributed cache. We are using OJB for our product and we had to build our own distributed cache using JCS and JMS. It is a fair amount of work to do t

Re: OJB caching and concurrent access

2009-03-18 Thread Alessandro Colantoni
Hi Bernd, did you consider to use the OSCasche implementation with optimistic locking? http://db.apache.org/ojb/docu/guides/objectcache.html#ObjectCacheOSCacheImpl http://db.apache.org/ojb/docu/howtos/howto-work-with-clustering.html I used that sometimes and it is very quick as the entries are n

OJB caching and concurrent access

2009-03-18 Thread Bernd Längerich
Hello, I use the PB-API. Is there any support for concurrent access to the same data base entries from multiple servers/applications in OJB? In order to provide a scalable system and high availability, I am faced with the demands of load balancing and multiple servers running the same applicati