[jboss-user] [Beginner's Corner] - Re: Locking, Transaction, SFSB, 2 apps

Wolf-Dieter Fink do-not-reply at jboss.com
Tue Dec 6 04:52:53 EST 2011

Wolf-Dieter Fink [http://community.jboss.org/people/wdfink] created the discussion

"Re: Locking, Transaction, SFSB, 2 apps"

To view the discussion, visit: http://community.jboss.org/message/639995#639995

As long you use a DB inside the transaction and lock the table (row) you will have such behaviour.
The application(s) are not very scalable.

You should decouple the key generation and use a different for each app.
Or you might cache a couple of keys in each application outside this transactions (i.e. use a new transaction to refill the internal cache)
Drawback is that you might loose some keys if the server goes down or crash.

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