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From Mark Thomas <>
Subject Re: few slow requests
Date Tue, 03 Aug 2010 13:48:51 GMT
On 03/08/2010 14:28, buninho wrote:
> Hello,
> we tested our tomcat 5.5 server (Debian system) with the apache benchmark
> tool. We send requests for a small png-file (300 bytes). Nearly all requests
> were done in 1 or 2 milliseconds. But there were a few request which needed
> more than 10 ms and the slowest request needed 106 ms.
> the 106 ms were logged from tomcat. We used the %D pattern for the request
> time in millis.
> It seems not to be a network problem. We can see the same behavior with a
> remote and a localhost test. Nevertheless, does anybody know, when tomact
> exactly starts and stop the time for logging the request?
> Also, we did the test with the YourKit Java Profiler, but can't find a
> reason for the slow requests, too. The Garbage Collector was not active
> while testing.
> So, we want to know, why there are a few request that took so much more time
> than the rest of the requests. Has anybody an idea where the time was
> consumed?
> Thanks for any reply!

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