I'm currently setting up a heavy parallel unit test. Will share later.

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, 9:37 PM
> 
> 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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