useAsyncSend gives a great initial boost in the producers, but number of pending messages are increasing when running at sustained load and after a while throttling starts and everything slows down.
/Patrik Joe Fernandez wrote: > > FWIW, I have gotten throughput rates of ~3000 msg/s under the following > conditions. > > Used persistent messages, default msg store, message size = 1k, queues, > and producer had jms.useAsyncSend=true > > Broker ran on an openSUSE 11.0 laptop (2GB memory, Intel Core 2 Duo T5550, > 1.83 GHz, JDK 1.6) and didn't compete with much of anything else on that > machine. Broker cpu utilization was ~30%. > > Producer and consumer ran on their own Windoze XP machines as follows: > > producer: Windows XP Pro SP2, 2GB memory, Pentium 4, 3.0GHz, JDK 1.5 > consumer: Windows XP Pro SP2, 2GB memory, Intel Core 2 Duo T7500, 2.0 > GHz, JDK 1.5 > > Joe > http://www.ttmsolutions.com > > > > > Patrik Nordwall wrote: >> >> Hi, I'm trying to find a message broker that has the performance for >> persistent messages that we need. >> >> We have defined the following scenario: >> - 6 producers (standalone java applications) that send persistent >> messages. Each producer send 20 msg/s. The messages have xml payload, 3 >> kB. No transactions in producer. >> - 1 message driven bean (running in jboss, it is 15 instances in the mdb >> pool) receive the messages and send new messages (same type of payload) >> to 6 queues, which are consumed by 6 different message driven beans. >> >> We are only using queues. >> >> With this load, the average time to send a message in the producer should >> be less than 10 ms. >> >> I'm running broker and jboss on a fast linux server. Producers are >> running on separate machine. >> >> I have tried this with 5.3.0 RC4 (which I think will be final today). It >> can't handle the load at all. Throttling. Latency in producers about >> 100ms. I have tried settings for the persistence adapter kahaDB but >> without success. >> >> Can ActiveMQ handle this load with low latency? What configuration should >> be used? We can't afford to lose any messages. >> >> I also tried the kahaPersistenceAdapter and it is amazingly fast. It >> handles the load without any problems and the average latency in >> producers to send a message is 2.5 ms. Is it persisting messages? Is it >> reliable? >> >> Regards, >> Patrik >> > > -- View this message in context: http://www.nabble.com/Performance-of-persistent-messages-tp25862425p25868321.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.
