If there were a threading issue with Camel, you should see clearly a bottleneck in the FTP, since you need to move multiple files with just 10 threads. What kind of resources have a problem? Can you isolate the war in another enviroment and replicate the problem?
On Wed, May 9, 2012 at 9:47 AM, Claus Ibsen <claus.ib...@gmail.com> wrote: > On Wed, May 9, 2012 at 2:29 PM, domenec <d...@nextret.net> wrote: >> Hello and thanks beforehand for any response, pointer or simply reading. >> >> Without previous knowledge of Camel I was requested to support a customer >> who had "a Java application that does FTP's at scheduled times and eats up >> server resources, and they have no source code". >> >> OK, I inspected the WAR, found out it was Camel, discovered what it was (and >> liked it, I have done MQ Series and Oracle Service Bus and several >> integration projects). >> >> At the moment the Tomcat server has been instrumented with JMX and I will >> collect data about threads, memory usage, whatever gives some hint. >> >> I have a suspect on threading, based a priori on FTP usually eating two >> threads (for data and communication channels) and a posteriori for having >> read about performance issues with default pool of 10 threads, which were >> fixed by going to 50 threads. >> >> So, at the moment all I can say is that there are about 600 to 800 possibly >> concurrent FTP's, which looks like a lot for 10 threads, if I get it right. >> >> No questions, I'd just appreciate hints on what to look and report if it >> looks suspicious, based on your experience, thanks :) >> > > What version of Camel do you use? > > And do you download or upload files to the FTP server? (consumer or > producer in EIP terms) > > The Camel FTP consumer is by default single threaded, eg > > So if you have a route that does: (pseudo) > from ftp > to bean > > Then only 1 thread is active. > > > >> >> >> -- >> View this message in context: >> http://camel.465427.n5.nabble.com/FTP-performance-with-hundreds-of-concurrent-routes-tp5697247.html >> Sent from the Camel - Users mailing list archive at Nabble.com. > > > > -- > Claus Ibsen > ----------------- > CamelOne 2012 Conference, May 15-16, 2012: http://camelone.com > FuseSource > Email: cib...@fusesource.com > Web: http://fusesource.com > Twitter: davsclaus, fusenews > Blog: http://davsclaus.blogspot.com/ > Author of Camel in Action: http://www.manning.com/ibsen/
