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From "Robin D. Wilson" <rwils...@gmail.com>
Subject RE: JMeter reporting higher response times
Date Tue, 15 Nov 2011 19:46:40 GMT
The server does use compression.

I'm trying to get the nightly build now - I'll let you know the difference.

--
Robin D. Wilson
Sr. Director of Web Development
KingsIsle Entertainment, Inc.
VOICE: 512-777-1861
www.KingsIsle.com


-----Original Message-----
From: sebb [mailto:sebbaz@gmail.com] 
Sent: Tuesday, November 15, 2011 1:27 PM
To: JMeter Users List
Subject: Re: JMeter reporting higher response times

On 15 November 2011 19:05, Robin D. Wilson <rwilson2@gmail.com> wrote:
> Images:
>
>        JMeter 2.4 snap: http://tinypic.com/r/xo0hfd/5
>        JMeter 2.5.1 snap: http://tinypic.com/r/qn045e/5

The byte sizes are very different also; larger for 2.4.

That is probably due to compression - previously JMeter recorded the
uncompressed size, now it records the transmitted (compressed) size.

Does the server use compression?

> I'm using HTTPS.
>
> The POST takes longer, the GET does not. (In the images, the 
> "Homepage" is a GET, the "Login" is a POST.)
>
> Do I have to build JMeter to get the fixed HTTP client, or is there 
> somewhere that I can get it already ready to go (for Windows XP, 
> 32bit, Java JRE1.6.0_29)?

Follow the nightly build links.

> I consider myself a medium to advanced "user" of JMeter, but I'm not 
> really a developer (of any kind, anymore)...
>
> --
> Robin D. Wilson
> Sr. Director of Web Development
> KingsIsle Entertainment, Inc.
> VOICE: 512-777-1861
> www.KingsIsle.com
>
>
> -----Original Message-----
> From: sebb [mailto:sebbaz@gmail.com]
> Sent: Tuesday, November 15, 2011 11:38 AM
> To: JMeter Users List
> Subject: Re: JMeter reporting higher response times
>
> On 15 November 2011 17:24, Robin D. Wilson <rwilson2@gmail.com> wrote:
>> Hopefully this list can handle images...
>
> No, it cannot.
>
> Use a public hosting service and include the URL in the e-mail.
>
>> I have included a couple screen snaps of what I'm seeing. I ran a 
>> test that requests (GET) the 'homepage' from our test machine. Then 
>> it POSTs a login (username + password + special token) to the login form.
>> It is a very simplified test.
>>
>> When I run it on JMeter 2.4, I get throughput of 128.1. When I run it 
>> on JMeter 2.5.1 I get throughput of 79.5.
>>
>> The request averages show similar differences:
>>
>>        JMeter 2.4 - average times are 744ms
>>        JMeter 2.5.1 - average times are 901ms
>>
>> Re-running the tests over and over give very similar results (there's 
>> some variability in the response times of the server, so I had to run 
>> this a bunch of times to be sure that I wasn't just seeing an anomaly.
>> The results are consistent - each test run shows JMeter 2.4 running 
>> significantly faster than JMeter 2.5.1.
>
> Do you use HTTP or HTTPS?
>
> Do both GET and POST show elapsed time increases?
>
>> BTW, just now, when I tried to switch this test to use the HTTP4 
>> client, the cookies stopped working correctly. So I couldn't test 
>> that sampler. The above numbers are just for the HTTP3.1 client. I 
>> have a cookie value called 'stk', and using the "${COOKIE_stk}" 
>> variable in the POST fails about 90% of the time when I'm using the 
>> HTTP4 client. It
> works fine with HTTP3.1.
>
> There have been some fixes to HC4 since 2.5.1.
>
>> --
>> Robin D. Wilson
>> Sr. Director of Web Development
>> KingsIsle Entertainment, Inc.
>> VOICE: 512-777-1861
>> www.KingsIsle.com
>>
>>
>> -----Original Message-----
>> From: sebb [mailto:sebbaz@gmail.com]
>> Sent: Tuesday, November 15, 2011 10:09 AM
>> To: JMeter Users List
>> Subject: Re: JMeter reporting higher response times
>>
>> On 15 November 2011 15:58, Robin D. Wilson <rwilson2@gmail.com> wrote:
>>> Not sure if this will matter, but have you tried testing this in 
>>> JMeter 2.4.x?
>>>
>>> The reason I ask is that I have a bunch of test scripts that I 
>>> regularly run in 2.4 r961953, and I have seen a significant decrease 
>>> in performance of these same test scripts (both unmodified, and 
>>> switching to various flavors of the new HTTP Sampler) when I 
>>> switched to
>> 2.5 and 2.5.1.
>>
>> Can you provide details of these issues please?
>>
>>> --
>>> Robin D. Wilson
>>> Sr. Director of Web Development
>>> KingsIsle Entertainment, Inc.
>>> VOICE: 512-777-1861
>>> www.KingsIsle.com
>>>
>>>
>>> -----Original Message-----
>>> From: sasidharsmit [mailto:sasidharsmit@gmail.com]
>>> Sent: Tuesday, November 15, 2011 9:08 AM
>>> To: jmeter-user@jakarta.apache.org
>>> Subject: Re: JMeter reporting higher response times
>>>
>>> I disabled everything other than the actual sampler. Still, the 
>>> response time is over 2000 ms. PF attached the screenshot.
>>>
>>> http://jmeter.512774.n5.nabble.com/file/n4994555/jmeter_only_sampler.
>>> p
>>> ng
>>> jmeter_only_sampler.png
>>>
>>> Regards,
>>> Sasidhar Sekar
>>>
>>> --
>>> View this message in context:
>>> http://jmeter.512774.n5.nabble.com/JMeter-reporting-higher-response-
>>> t
>>> i
>>> mes-tp
>>> 4994460p4994555.html
>>> Sent from the JMeter - User mailing list archive at Nabble.com.
>>>
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>>
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