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ml
ml at dasir.net
Thu Apr 26 10:55:48 EDT 2007
For a large count of requests it gives some constant reply time. But rarely visited sites have a long "warm up" (sometimes over 2 seconds) and that is too much. I'm just curious what makes the difference between e.g. 150ms and 1500ms respond times. D Graham Dumpleton napsal(a): > Using 'ab' with such small numbers of requests always yields > unreliable results. What do you get if you use 5000-10000 requests? > > Also note that using -k isn't a realistic measure of real world > performance as no single client is going to trigger large numbers of > requests over the same connection, so don't use -k when using the > large number of requests I suggest. > > Graham > > On 26/04/07, ml <ml at dasir.net> wrote: >> Hi! >> >> I was wondering why mod_python (3.2.8) has so uneven speed results, e.g.: >> >> # ab -k -c1 -n15 some_python_site >> ... >> Percentage of the requests served within a certain time (ms) >> 50% 158 >> 66% 161 >> 75% 165 >> 80% 166 >> 90% 1173 >> 95% 1209 >> 98% 1209 >> 99% 1209 >> 100% 1209 (longest request) >> >> When I compare it to a PHP it has constant response time on each request. >> I know that the startup can take some more time but sometimes it takes a >> longer time when I do refreshing the page in a browser so the startup >> can't affect the response (I think :-). >> >> What all does affect the mod_python runtime? >> >> David >> _______________________________________________ >> Mod_python mailing list >> Mod_python at modpython.org >> http://mailman.modpython.org/mailman/listinfo/mod_python >> >
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