It does support prefetch. activemq.prefetchSize = n during the subscription stage.
>From http://activemq.apache.org/stomp.html On 5 May 2011 21:20, Josh Carlson <jcarl...@e-dialog.com> wrote: > We are using the STOMP protocol which doesn't support that. I was curious > if there might be any settings server side which would help with the > scalability of concurrent subscribes? > > > -----Original Message----- > > From: Gary Tully [mailto:gary.tu...@gmail.com] > > Sent: Wednesday, May 04, 2011 5:39 PM > > To: users@activemq.apache.org > > Subject: Re: Scaleability problems with queue subscriptors > > > > have you tried to use prefetch=0 on the work queue, so the next > > message will not be dispatched till you issue another receive call > > rather than when the ack occurs. >