Hi, +1000, I've also been enjoying the benefits of the performance work, too. I rarely think, "!@!# why is this so slow?!", anymore.
Nice work everybody! :) Take care, J. On Fri, Mar 18, 2011 at 1:42 PM, Elliot Murphy <[email protected]> wrote: > This is *awesome*! I have been thrilled to see the results and also > impressed with the systematic approach towards attacking performance. > Great job everyone! > > On Friday, March 18, 2011, Robert Collins <[email protected]> wrote: >> I meant to send this yesterday.. oops >> >> The hard time is now 11 seconds, and we saw 800 timeouts (about 0.02% >> of requests) >> >> There are about 20 page ids we need to improve before we can drop to >> 10 seconds : there are another 1000 page renders falling between 10 >> and 11 seconds at the moment. That means we could be dropping the >> timeout to 10 seconds as early as the start of April... as usual I'll >> be reevaluating as we go. >> >> This is pretty exciting to me: we've come an incredibly long way since >> we started systematically measuring and focusing on render times [as >> the first plank in becoming fast overall] : thats a 9 second drop in 9 >> months. I credit our achievement to the following things: >> - you guys >> - some small coding rule changes (like permitting cached property on >> model objects, and query count tests) >> - the restructure allowing folk the time to dig into a timeout >> problem over several days without being pressured by feature work (and >> vice verca, allowing features to be made fast without interrupts for >> day-to-day issues) >> - a willingness from our user base for us to make engineering >> tradeoffs (such as moving the safety net of the hard timeout every >> time we've got room to improve without causing a mass increase in the >> timeouts, removing features that are underperforming or of little >> benefit but high cst) >> >> I've been casually polling folk as we've gone through the process so >> far, and in the last couple of weeks a very interesting change has >> occured: rather than hearing 'gee LP is slow, its great you are >> improving it, I've notice some improvements already', I'm now hearing >> 'you know, I haven't been pissed off by LP being slow recently.' That >> might come across as faint praise, but its really significant: >> *** We've moved out of the zomg slow bucket and into the >> just-another-website bucket *** >> >> Now, we have 2 more seconds to drop our hard timeout by, to reach >> Francis' challenge of 9 seconds for the next epic : I'm sure we'll >> manage that without any difficulty. >> >> -woo- >> >> -Rob >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~launchpad-dev >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~launchpad-dev >> More help : https://help.launchpad.net/ListHelp >> > > -- > Elliot Murphy | https://launchpad.net/~statik/ > > _______________________________________________ > Mailing list: https://launchpad.net/~launchpad-dev > Post to : [email protected] > Unsubscribe : https://launchpad.net/~launchpad-dev > More help : https://help.launchpad.net/ListHelp > _______________________________________________ Mailing list: https://launchpad.net/~launchpad-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~launchpad-dev More help : https://help.launchpad.net/ListHelp
