On Feb 24, 2011, at 1:00 PM, Mark Struberg wrote:

> nah, I also redirected it to a file and the output is not that extreme. I 
> work with INFO level and the log output is the same as in 1.0.0.
> This cannot explain that owb-1.0.0 is five times faster...

Down to 20%?  I had misread it as down *by* 20%.

Grab a 15 day trial of YourKit and do some profiling.  With a gap that big 
there should be easy to spot.


-David


> 
> Will do a few parallel unit tests tonight.
> 
> LieGrue,
> strub
> 
> --- On Thu, 2/24/11, David Blevins <[email protected]> wrote:
> 
>> From: David Blevins <[email protected]>
>> Subject: Re: heavy performance decrease in 1.1.0-SNAPSHOT
>> To: [email protected]
>> Date: Thursday, February 24, 2011, 6:02 PM
>> 
>> On Feb 24, 2011, at 9:10 AM, Mark Struberg wrote:
>> 
>>> oh yes, and I experience some 'stuttering'. Means the
>> log scrolls, then it freezes for a second, logs again,
>> freezes, etc...
>> 
>> You mean log as in log files?   Definitely
>> disable logging when doing any performance testing or you're
>> really just measuring your disk.  Improved logging
>> could easily explain that sharp decrease.
>> 
>> 
>> -David
>> 
>> 
>>> 
>>> --- On Thu, 2/24/11, David Blevins <[email protected]>
>> wrote:
>>> 
>>>> From: David Blevins <[email protected]>
>>>> Subject: Re: heavy performance decrease in
>> 1.1.0-SNAPSHOT
>>>> To: [email protected]
>>>> Date: Thursday, February 24, 2011, 4:50 PM
>>>> 
>>>> On Feb 24, 2011, at 8:32 AM, Mark Struberg wrote:
>>>> 
>>>>> hi folks!
>>>>> 
>>>>> Today I did run a few jmeter tests and it
>> seems that
>>>> we have some serious bottle neck in our code
>> currently. The
>>>> app just doesn't really scale well anymore and
>> performance
>>>> is down to 20% compared to 1.0.0 ...
>>>> 
>>>> What aspects were you measuring and how?
>>>> 
>>>> 
>>>> -David
>>>> 
>>>> 
>>> 
>>> 
>>> 
>>> 
>> 
>> 
> 
> 
> 
> 

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