[prev in list] [next in list] [prev in thread] [next in thread] 

List:       jmeter-user
Subject:    Re: number of threads
From:       "Thang Tran" <thang.tran () uni-dortmund ! de>
Date:       2007-10-31 18:03:58
Message-ID: op.t02pswruu8zdgw () donaldius
[Download RAW message or body]

oki, I've understood. I will do it on friday.

thanks,
Thang

On Wed, 31 Oct 2007 18:32:34 +0100, sebb <sebbaz@gmail.com> wrote:

> On 31/10/2007, Thang Tran <thang.tran@uni-dortmund.de> wrote:
>> On Wed, 31 Oct 2007 17:28:28 +0100, sebb <sebbaz@gmail.com> wrote:
>>
>> > On 31/10/2007, Thang Tran <thang.tran@uni-dortmund.de> wrote:
>> >> Hi,
>> >>
>> >> I've created a testplan where there are a number of threads which do
>> >> things at the same. If I increase the number of threads (e.g. 200)
>> >> JMeter
>> >> needs more time to execute the threads. Sometimes I also observe that
>> >> some
>> >> threads could not be processed or the tool just only freeze so that I
>> >> could not close JMeter. If I look at the network traffic I also  
>> detect a
>> >> low data traffic. The CPU is not heavily loaded, too.
>> >>
>> >> Any ideas what could be the reason for that????
>> >
>> > The symptoms are consistent with the server not being able to handle
>> > the load and slowing down or hanging.
>> >
>> > To see if it is JMeter or the server, run 100 threads in one instance
>> > of JMeter and 100 in another, and compare the results with what you
>> > had before.
>>
>> I already tried to run JMeter on two different PCs and both show the  
>> same
>> behavior.
>
> That's not what I meant.
>
> You wrote that the problem seems to occur when increasing the number
> of JMeter threads.
>
> Assume that JMeter works OK with 100 threads and not OK with 200.
>
> Run 100 threads on one host and 100 on another, and see what happens.
>
> If JMeter slows down on both hosts then it is the server that is
> having problems.
>
> If you run two JMeter instances on the same host, and that causes a
> slow-down, but running on 2 hosts does not, then it is likely that
> there is a single-host limitation,e.g. number of sockets.
>
>> >
>> >>
>> >> Anyway I run JMeter on windows XP.
>> >
>> > Which version of JMeter?
>> > Which version of Java?
>>
>> I use JMeter 2.3 and Java 1.5.
>>
>>
>>
>> >
>> >> Br,
>> >> Thang
>> >>
>> >> ---------------------------------------------------------------------
>> >> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
>> >> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>> >>
>> >>
>> >
>> > ---------------------------------------------------------------------
>> > To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
>> > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>> >
>>
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
>> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>>
>>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>



---------------------------------------------------------------------
To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
For additional commands, e-mail: jmeter-user-help@jakarta.apache.org

[prev in list] [next in list] [prev in thread] [next in thread]