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Date: Sun, 7 Mar 2010 12:09:27 +0000 (UTC)
From: "Oleksandr Alesinskyy (JIRA)" <jira@apache.org>
To: dev@hc.apache.org
Subject: [jira] Commented: (HTTPCLIENT-925) HttpClient 4.0.1 is approx. 3
 time slower then older 3.1 when works against www.google.com
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    [ https://issues.apache.org/jira/browse/HTTPCLIENT-925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12842416#action_12842416 ] 

Oleksandr Alesinskyy commented on HTTPCLIENT-925:
-------------------------------------------------

That is the point - why the same request send via 3.0.1 and 4.0.1 renders different results? 

As HTTP client positions itself as merely transport library  (http://hc.apache.org/httpcomponents-client/tutorial/html/preface.html#d4e30) it is only naturally to anticipate that the same requests would bring the same response regardless of the version used. If it is not so it is only fair to provide some kind of warning in the documentation (in README. changelog or whatever).

> 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
>         Attachments: google.zip
>
>
> 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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