HI James no I haven't tried, since my specs require to have all embedded, but if it's for isolating the problem I can try. Do you think hsqldb would do better? I left a benchmark of the two behind some time ago, maybe it would be time to finish it...
Cheers Francesco James.Strachan wrote: > > I suspect it could maybe be Apache Derby maybe - does it help if you > have a separate process being your database such as using mysql or > postgresql? > > On 1/5/07, drvillo <[EMAIL PROTECTED]> wrote: >> >> >> A follow up, memory usage (over a heap of 256Mb) is higher when >> throughput >> is, >> and then stabilize around 30Mb, when things start to slow down... >> >> Thus it seems that the system that resources are just not exploited >> somehow, >> from which my other post of the day. >> >> Any hint? >> Francesco >> >> >> drvillo wrote: >> > >> > Hi everybody >> > >> > Running an embedded broker on tcp transport and journaled jdbc >> persistence >> > I find that throughput drops from ~100 msg/sec to ~1-2 msg/sec. No >> matter >> > of changes on the jca parameters, memory limit and threadpool size. >> > Could it be a persistence issue? >> > It happens after ~50000 messages have been sent. I have a prefetch size >> > set >> > on the RA of 10000, thus the queues are always empty. >> > >> > Thanks and, >> > cheers >> > Francesco >> > >> >> -- >> View this message in context: >> http://www.nabble.com/performance-degradation-tf2925875.html#a8179313 >> Sent from the ActiveMQ - User mailing list archive at Nabble.com. >> >> > > > -- > > James > ------- > http://radio.weblogs.com/0112098/ > > -- View this message in context: http://www.nabble.com/performance-degradation-tf2925875.html#a8294977 Sent from the ActiveMQ - User mailing list archive at Nabble.com.
