Is it possible to route EJB requests?

I have an EJB (Stateless Session Bean) which is a DataBase Adapter. Its goal is to access Oracle DataBase to execute select queries and stored procedures.
The problem is that some of the requests take so long to execute while others take a short time.
It occurs because some queries return 10,000 rows and others return 1 row.
Imagine that I have 10 instances of my bean and WLS received 11 requests.
10 first requests - heavy load
11th request - take short time to execute
The problem is that the 11th request will be enqueue.
What I would like to do is to route EJB requests, so I could have 8 EJB instances in charge of heavy requests and 2 EJB instances in charge of light requests.
Is it possible? How?
Thanks in advance,
Marco Campelo

Marco Campelo <[email protected]> writes:
I have an EJB (Stateless Session Bean) which is a DataBase Adapter. Its goal is to access Oracle DataBase to execute select queries and stored procedures.
The problem is that some of the requests take so long to execute while others take a short time.
It occurs because some queries return 10,000 rows and others return 1 row.
Imagine that I have 10 instances of my bean and WLS received 11 requests.
10 first requests - heavy load
11th request - take short time to execute
The problem is that the 11th request will be enqueue.
What I would like to do is to route EJB requests, so I could have 8 EJB instances in charge of heavy requests and 2 EJB instances in charge of light requests.
Is it possible? How?Its not clear that you can tell before the fact which is going to take
longer - if that's the case then you are out of luck. In 9.0 we have a
feature that allows you too prioritize requests of various type, this
would almost certainly help you here if you can solve the first
problem.
andy

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