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From Nikolay_Miroshnichenko <nikb...@gmail.com>
Subject Re: Response message: Non HTTP response message: Too many open files
Date Tue, 13 Oct 2009 22:02:06 GMT
Deepak Shetty wrote:
> Hi
> It looks like your server has reached its limit . you probably need to
> change ulimit on the server. When your requests fail you can probably check
> the number of open sockets on the server (using netstat or equivalent). .
> there are other OS related parameters related to how long the socket should
> be kept open even after it is closed which affect OS behavior
> 
> regards
> deepak
> 
> On Tue, Oct 13, 2009 at 2:45 PM, Nikolay_Miroshnichenko
> <nikbox0@gmail.com>wrote:
> 
>> Hi,
>> we're testing a web site under 1000 users (threads) load.
>> Currently our servers hold about 500 simultaneous users with great
>> latencies.
>> With more users the requests fail. But I'm not sure where the problem is.
>> Whether it the server declines or JMeter or JVM problem. Looking at the
>> error messages in responses (see below) I'd say that JVM (or rather OS,
>> Debian Lenny 64) meets its limits...
>>
>> *****
>>
>> Thread Name: NewUsers 1-664
>> Sample Start: 2009-10-10 22:09:31 MSD
>> Load time: 0
>> Latency: 0
>> Size in bytes: 1279
>> Sample Count: 1
>> Error Count: 1
>> Response code: Non HTTP response code: java.net.SocketException
>> Response message: Non HTTP response message: Too many open files
>>
>> *****
>>        And a valid answer looks like this:
>>
>> ****
>>
>> Thread Name: NewUsers 1-778
>> Sample Start: 2009-10-10 22:08:33 MSD
>> Load time: 58159
>> Latency: 58130
>> Size in bytes: 611787
>> Sample Count: 1
>> Error Count: 0
>> Response code: 200
>> Response message: OK
>>
>> *****
>>
>> Thanks.
>>
>> Nikolay Miroshnichenko
>>
>>
>>
>>
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> 

So it is a server problem, not a test generator.
Thank you!

-- 
Best Regards
Nikolay Miroshnichenko



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