Maybe you jetty need to turning....
how many memory in your system ?
Can you show the processes information with the java processes ?

above
            Chris

2008/6/2 Bram de Jong <[EMAIL PROTECTED]>:

> Hello all,
>
>
> Still running tests on solr using the example jetty container. I've
> been getting nice performance. However, suddenly between 15400 and
> 15600 queries, I get a very serious drop in performance, and this
> every time I run my test, independent of what I'm searching for. The
> performance STAYS low and doesn't come up again until I restart
> Jerry/Solr.
>
> This what I'm getting. The number between parentheses is the nr of
> queries done until "now".
>
> <snip>
> average query time this batch ( 2798 ) : 21.7171502113
> average query time this batch ( 2998 ) : 21.556429863
> average query time this batch ( 3197 ) : 20.7244367456
> average query time this batch ( 3397 ) : 20.9529149532
> average query time this batch ( 3597 ) : 21.7199647427
> <snip>
>
> Then sudenly around 14K my average time goes up 3 fold:
>
> <snip>
> average query time this batch ( 15183 ) : 22.5312757732
> average query time this batch ( 15383 ) : 27.6089298725 <-
> average query time this batch ( 15583 ) : 66.8137800694 <-
> average query time this batch ( 15783 ) : 67.5224089622 <-
> average query time this batch ( 15983 ) : 68.210555315 <-
> </snip>
>
> I tried taking another set of searches (I'm replaying searches done on
> our website), but exactly the same pattern occurs. The cumulative
> evictions for all caches is 0 before and after the slowdown, so my
> initial thought (i.e. full cache) was not it. I did some further
> investigating, and it looks like only once every few searches becomes
> slow. This is the batch of searches for block nr 15583. Every search
> string is mentioned and then the query_time as reported by Solr:
>
> ('electricity', 19), ('killed', 16), ('radio static', 179), ('monster
> killed', 15), ('heavy machinery', 16), ('killed', 179), ('chimes',
> 17), ('video games', 17), ('sword', 16), ('construction machine', 17),
> ('graveyard', 15), ('people', 16), ('yard', 179), ('horn', 15),
> ('bugle', 14), ('trumpet', 17), ('grass walking', 177), ('walking',
> 17), ('horn', 15), ('clunk', 14), ('hydraulic', 178), ('jet landing',
> 16), ('o fortuna', 14), ('large crowd', 180), ('dj', 15), ('hallway',
> 15), ('scrach', 13), ('jet tires screeching', 177), ('tires
> screeching', 14), ('ambient', 16), ('electricity', 180), ('tires',
> 15), ('hospital', 15), ('chimes', 17), ('win chimes', 178), ('wind
> chimes', 15), ('sex', 15), ('SPACE', 17), ('river', 180), ('thunder
> storms', 16), ('crash', 15), ('boss', 16), ('thunder', 16), ('car
> braking', 16), ('vocal', 17), ('vocal dance', 182), ('vocal', 16),
> ('stream', 16), ('whale', 14), ('space ambient', 183), ('animal', 16),
> ('pad', 15), ('body', 16), ('crickets', 180), ('fall', 16), ('camera
> flash bulb', 15), ('arctic', 178), ('flash bulb', 13), ('camera', 15),
> ('drawn', 16), ('next level', 180), ('timbale', 14), ('navigation',
> 14), ('bass', 14), ('blips', 179), <snip>
>
>
> Any hints of things I can try would be superb. Having to wait 15000 *
> 25ms every time I want to try something else to fix this is becoming a
> bit annoying :)
>
>
>  - Bram
>
> PS: if you are curious: the things people search for are sounds :)
> hence the very varied set of search strings.
>
> --
> http://freesound.iua.upf.edu
> http://www.smartelectronix.com
> http://www.musicdsp.org
>



-- 
Chris Lin
[EMAIL PROTECTED]
Taipei , Taiwan.
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