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From qiu chi <chiqiu....@gmail.com>
Subject Re: CCU of Solr?
Date Sat, 19 Dec 2009 03:26:27 GMT
ab is not the best testing tool to test website performance
try loadrunner or apache httpclient instead, they act more like an browser


On Sat, Dec 19, 2009 at 11:20 AM, Olala <hthieu84@gmail.com> wrote:

>
> I used ab(apache bench) to test with handle 1000 requests, with a maximum
> of
> 300 requests running concurrently (ab -n 1000 -c 300), and then I received
> the output as follows:
>
> Concurrency Level:      300
> Time taken for tests:   6.797 seconds
> Complete requests:      1000
> Failed requests:        0
> Write errors:           0
> Non-2xx responses:      1000
> Total transferred:      162000 bytes
> HTML transferred:       0 bytes
> Requests per second:    147.13 [#/sec] (mean)
> Time per request:       2039.063 [ms] (mean)
> Time per request:       6.797 [ms] (mean, across all concurrent requests)
> Transfer rate:          23.28 [Kbytes/sec] received
>
> Connection Times (ms)
>              min  mean[+/-sd] median   max
> Connect:        0    1   4.7      0      78
> Processing:   234  979 310.6   1016    4141
> Waiting:      219  632 230.1    609    4141
> Total:        234  980 310.7   1016    4141
>
> Percentage of the requests served within a certain time (ms)
>  50%   1016
>  66%   1141
>  75%   1203
>  80%   1219
>  90%   1313
>  95%   1453
>  98%   1469
>  99%   1484
>  100%   4141 (longest request)
>
>
> I wonder that 147 requests per second is too low?
>
>
>
> Erick Erickson wrote:
> >
> > You can't test it until you have a working SOLR instance in
> > your specific problem space.
> >
> > But assuming you have a SOLR setup, there are a plethora of
> > tools, just google "SOLR load testing". JMeter has been mentioned,
> > as well as others.
> >
> > You can also write your own load tester that just spawns a bunch of
> > threads that query your SOLR server, should take you about a day.
> >
> > Erick
> >
> > On Fri, Dec 18, 2009 at 3:42 AM, Olala <hthieu84@gmail.com> wrote:
> >
> >>
> >> Thanks for your answer! But how i can test this??? Do you know any tool
> >> that
> >> help me do that? :confused:
> >>
> >>
> >> Noble Paul നോബിള്‍  नोब्ळ्-2 wrote:
> >> >
> >> > it is very difficult to say. It depends on the cache hit ratio. If
> >> > everything is served out of cache you may go upto arounbf 1000 req/sec
> >> >
> >> > On Fri, Dec 18, 2009 at 1:39 PM, Olala <hthieu84@gmail.com> wrote:
> >> >>
> >> >> Hi all!
> >> >>
> >> >> I am developing an online dictionary application by using Solr, but
I
> >> >> wonder
> >> >> that how many concurrent request that Solr can be process?
> >> >> --
> >> >> View this message in context:
> >> >> http://old.nabble.com/CCU-of-Solr--tp26840318p26840318.html
> >> >> Sent from the Solr - User mailing list archive at Nabble.com.
> >> >>
> >> >>
> >> >
> >> >
> >> >
> >> > --
> >> > -----------------------------------------------------
> >> > Noble Paul | Systems Architect| AOL | http://aol.com
> >> >
> >> >
> >>
> >> --
> >> View this message in context:
> >> http://old.nabble.com/CCU-of-Solr--tp26840318p26840598.html
> >> Sent from the Solr - User mailing list archive at Nabble.com.
> >>
> >>
> >
> >
>
> --
> View this message in context:
> http://old.nabble.com/CCU-of-Solr--tp26840318p26852460.html
> Sent from the Solr - User mailing list archive at Nabble.com.
>
>


-- 
Regards
Qiu
- chiqiu.dev@gmail.com

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