On 27/03/2008, James Strachan <[EMAIL PROTECTED]> wrote: > On 27/03/2008, James Strachan <[EMAIL PROTECTED]> wrote: > > On 27/03/2008, DominicTulley <[EMAIL PROTECTED]> wrote: > > > > > > > > I would say "yes" to the similar output but I don't have a proper > machine > > > with lsof on it! > > > I used ubuntu on a virtual machine to check my suspicion but I > couldn't get > > > AMQ running on it so I couldn't run proper tests. > > > > > > you're right that netstat gives you lots of guff but just doing > netstat | > > > grep 61616 should do the trick for starters.. > > > > > > Aha! I can now reproduce it :) > > > > I'm delving into the debug logs now... I've a hunch its the > > JmsTemplate sending messages that is the culprit... > > > Yeah - the defaults don't use a pooled connection factory; so the > sending part of the test tends to create a connection/session/producer > for each message thats being sent. > > i.e. the cacheLevelName=CACHE_CONSUMER does indeed only create a > single connection - and caches/reuses sessions/consumers. > > However this route in the load test... > > <route> > <from uri="dataset:myDataSet"/> > <to uri="activemq:example.A"/> > </route> > > just sends to JMS without any inbound JMS message; so this bypasses > all the caching stuff in the cacheLevelName as under the covers its > using a JmsTemplate with a default ActiveMQConnectionFactory - so no > pooling. > > I'm just in the process of patching activemq-core so that it'll use a > pooled connection factory by default to avoid this issue. > > However for now you can avoid this by setting the connectionFactory on > the ActiveMQComponent to be either Spring's SingleConnectionFactory or > the PooledConnectionFactory from ActiveMQ.
I've raised this issue to track the problem... http://issues.apache.org/activemq/browse/AMQ-1636 and applied a patch to trunk of ActiveMQ. So hopefully Dominic, if you grab trunk of ActiveMQ & Camel and build them & retry testing the load test again you shouldn't see any TIME_WAIT sockets -- James ------- http://macstrac.blogspot.com/ Open Source Integration http://open.iona.com
