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https://issues.apache.org/jira/browse/HTTPCLIENT-925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Kalnichevski resolved HTTPCLIENT-925.
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Resolution: Not A Problem
Oleksandr,
(1) Performance benchmarks against public web sites are utterly pointless for
many reasons. For one, they cannot be reliable as most of the time you end up
measuring performance of your internet link anyhow and not that of the HTTP
stack.
(2) 10 requests statistically are not enough and cannot be considered
representative. You have got to be measuring performance by executing over
several thousand requests over a significant time span (at least half a minute).
(3) It looks like google responds differently to requests issued by different
versions of HttpClient, which also makes the results inaccurate and
unrepresentative.
I just recently changed the benchmarks to use an embedded HTTP server as a
target server. You can see the updated results here:
http://wiki.apache.org/HttpComponents/HttpClient3vsHttpClient4vsHttpCore
Oleg
> HttpClient 4.0.1 is approx. 3 time slower then older 3.1 when works against
> www.google.com
> ------------------------------------------------------------------------------------------
>
> Key: HTTPCLIENT-925
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-925
> Project: HttpComponents HttpClient
> Issue Type: Improvement
> Reporter: Oleksandr Alesinskyy
> Priority: Minor
>
> I have tried benchmarks from httpclient-benchmark - results are some what
> funny - while for most tried sites 4.0.1 is marginally faster then 3.1, for a
> couple of sites it is significantly slower, the most noticeable for
> www.google.com, test were repeated multiple times, here are sample output
> from 4.0.1 and 3..1
> *4.0.1*
> Server Software: gws
> Document URI: http://www.google.com
> Document Length: 8459 bytes
> Time taken for tests: 3.952 seconds
> Complete requests: 10
> Failed requests: 0
> Content transferred: 84524 bytes
> Requests per second: 2.5303645 [#/sec] (mean)
> Time per request: 395.2 [ms] (mean)
> *3.1*
> Server Software: gws
> Document URI: http://www.google.com
> Document Length: 6847 bytes
> Time taken for tests: 1.354 seconds
> Complete requests: 10
> Failed requests: 0
> Content transferred: 68488 bytes
> Requests per second: 7.3855247 [#/sec] (mean)
> Time per request: 135.4 [ms] (mean)
> It is interesting, why.
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