Specifies how many messages can be dequeued at once.

Available Since: 6.3.3
Format: number
Mandatory: no
Specifies the batch size for dequeue operations. This setting affects performance. As a rule of thumb, larger batch sizes (up to a environment-induced upper limit) provide better performance. For the average system, there usually should be no need to adjust batch sizes as the defaults are sufficient.

Rainer Gerhards 2011-11-03