I'd be happy to add comments to Robin's the page as there were some very interesting points brought out during the discussion.
I might add that jerky behavior in the GUI is very characteristic of thread stalls in the server. Regards, Kirk On Dec 16, 2011, at 7:34 PM, sebb wrote: > On 16 December 2011 17:49, Robin D. Wilson <[email protected]> wrote: >> So, I (well, actually one of our operations guys) figured out what the >> problem was... Someone had enabled the 'iptables' service (Linux Firewall) >> on our Apache box (unbeknownst to me), and it was parsing all the packets >> (even though it never hit a filter rule). So with the massively increased >> network load, it eventually just started dropping packets for a while. >> >> Disabling the iptables service completely solved the problem. >> >> Thank you all for giving me so many things to check and test - I will use >> all of your input for expanding my knowledge of JMeter and testing systems >> in the future. > > Thanks for letting us know the problem has been solved. > > Anyone care to provide a write-up for the Wiki? > Not specifically about the details of this case, but the sort of > things to look for and how to check? > Symptoms and possible causes, that sort of thing. > > [The Wiki requires a login, and to prevent spammers the login must be > authorised - just send an e-mail to the dev list] > >> -- >> Robin D. Wilson >> Sr. Director of Web Development >> KingsIsle Entertainment, Inc. >> VOICE: 512-777-1861 >> www.KingsIsle.com >> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] >> For additional commands, e-mail: [email protected] >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
