[jboss-dev-forums] [Design of Messaging on JBoss (Messaging/JBoss)] - Usage of Timers in JBM 2

[timfox]

Timers should rarely if ever be used.

Each Timer maintains its own thread so this doesn't scale.

On the client side a scheduled executor pool is available to the session factory and this should be used for any scheduled tasks, e.g. for http transport.

Take a look at the thread pooling chapter in the user manual. We have to be very careful where and how threads are created, always use the pools unless you have a *very* good reason not to (e.g. you need to set thread priority)

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