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From sebb <seb...@gmail.com>
Subject Re: HttpClient benchmark; was RE: [Httpcomponents Wiki] Update of "HttpClient3vsHttpClient4vsHttpCore" by OlegKalnichevski
Date Fri, 11 Mar 2011 17:50:44 GMT
On 11 March 2011 17:28, Oleg Kalnichevski <olegk@apache.org> wrote:
> On Fri, 2011-03-11 at 16:53 +0000, sebb wrote:
>> On 11 March 2011 08:15, Oleg Kalnichevski <olegk@apache.org> wrote:
>> > On Fri, 2011-03-11 at 07:19 +0100, Hubert, Eric wrote:
>> >> Hi
>> >>
>> >> > The first section under 500'000 requests / up to 250 concurrent
>> >> > connections does not specify the client used:
>> >> > I assume this is probably HTTP agent: Apache HttpClient 3.1 but it
>> >> > would be good to add it to the page.
>>
>> @Oleg: Ping?
>>
>
> I corrected it this morning. Was not there a notification mail?

Yes, I see it has been fixed - sorry, only just got around to looking
at the Wiki messages (different GMail folder)

>
>> >>
>> >> I noticed the same, sharing this assumption. ;-)
>> >>
>> >> Additionally I would be interested in some background information
>> >> helping to interpret the results.
>> >> For easier readability I put all results concentrating on just a
>> >> Single metric in one table (truncated req/second - hope I did
>> >> not messed some numbers).
>> >>
>> >>               Conc 20 (get/post)    Con 250 (get/post)
>> >> Client 3.1    16170 / 16788         8188 / 9792
>> >> JRE 6u18      21705 / 16882         14446 / 14358
>> >> Core 4.1      31438 / 24236         19705 / 17815
>> >> Client 4.1    25154 / 22520         21360 / 21762
>> >> Client 4.2    24069 / 19929         21675 / 18270
>> >> Jetty 7.2.0    7734 /  8140         19948 / 20016
>> >> Jetty 7.3.1   17727 / 17828         20903 / 18250
>> >>
>> >> The following questions came into my mind
>> >> (please excuse if answers are obvious!)
>> >> a) Why performs 3.1 better for POSTs than for GET?
>> >
>> > I do not have a good answer to this question, just a guess. I suspect
>> > that it simply takes longer to generate random content on the server
>> > side when responding to GET requests and to do a simple echo when
>> > responding to POST requests.
>>
>> Perhaps the echo code can be replaced with something that does a
>> similar amount of work on the server?
>>
>
> The 'echo' servlet can be replaced with something that sends back a
> random generated response of the same length as the request.
>
> Oleg
>
>
>
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