Stefano, I didn't get solution suggested for disk access bottleneck , can you please explain me again.
Thanks On Wed, May 25, 2011 at 12:44 PM, Stefano Bagnara <[email protected]> wrote: > 2011/5/25 kushal soy <[email protected]>: > > Hi, > > > > my mail client is sending java mail with attachment(size:250 KB). > > but even with increasing session(independent thread), the client deposit > > speed is slow( ~5msg/second). with lower size, client deposit become much > > faster though. > > also tried with smtp-source for large body size. > > [time ./smtp-source -s 50 -l 256000 -m 5000 -d -c -f [email protected] -t > > [email protected] localhost:25] > > > > > > currently, performance data in James page is of 100 bytes of body > data.[*time > > smtp-source -A -C1500 -l 100 ..*.], which doesn't hold for large size. > > > > > > what is the expected performance of James with mail attachment? > > The problem is probably disk access. James writes and reads the full > message to file/db many times and this is a bottleneck. > You can reduce your processors making sure the most used "way" is > defined in the root processor. Whenever a message is moved from one > processor to another it gets written again on disk. > > Stefano > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
