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From Davanum Srinivas <dava...@gmail.com>
Subject Re: AXIS-1423 : Peter's test case for performance
Date Mon, 19 Jul 2004 16:14:09 GMT
Note that i may incorporate Nishant's suggestion of commons'  BOAS and
ask you to test that as well :)

-- dims

On Mon, 19 Jul 2004 08:58:36 -0700, Peter Molettiere
<pietro@axonstudios.net> wrote:
> 
> I'll run them this afternoon. Thanks for all your effort! I'll let you
> know how it goes once I'm at the machine I have my profiler set up on.
> 
> --Peter
> 
> 
> 
> On Jul 17, 2004, at 12:56 PM, Davanum Srinivas wrote:
> 
> > Peter, Nishant, Glen,
> >
> > Can you please re-run tests on your machines using latest CVS? i just
> > fixed http://nagoya.apache.org/jira/browse/AXIS-1202 and that could be
> > the root cause of the leaks.
> >
> > Thanks,
> > dims
> >
> > On Fri, 16 Jul 2004 22:59:35 -0400, Glen Daniels
> > <gdaniels@sonicsoftware.com> wrote:
> >> Me too :)
> >>
> >> I just got home and had left an OptimizeIt session running before I
> >> left, so will take a look soon.
> >>
> >> --G
> >>
> >>
> >>
> >>> -----Original Message-----
> >>> From: Davanum Srinivas [mailto:davanum@gmail.com]
> >>> Sent: Friday, July 16, 2004 10:58 PM
> >>> To: Peter Molettiere
> >>> Cc: Tom Jordahl; dims@apache.org; axis-dev@ws.apache.org; Glen
> >>> Daniels
> >>> Subject: Re: AXIS-1423 : Peter's test case for performance
> >>>
> >>> am still looking :)
> >>>
> >>> -- dims
> >>>
> >>> On Fri, 16 Jul 2004 18:57:33 -0700, Peter Molettiere
> >>> <pietro@axonstudios.net> wrote:
> >>>>
> >>>> I'll do what I can, although I'm certainly a bit hampered by not
> >>>> having spent lots of time with the axis source. Someone who really
> >>>> understands the axis internals would probably be able to find this
> >>>> much more quickly than I can.
> >>>>
> >>>> If you'd like, I'm not far from Macromedia. You're welcome
> >>> to come by
> >>>> and take a look at what I'm doing. Maybe two heads can come
> >>> up with a
> >>>> solution where one can't.
> >>>>
> >>>> --Peter
> >>>>
> >>>>
> >>>>
> >>>> On Jul 16, 2004, at 11:36 AM, Tom Jordahl wrote:
> >>>>
> >>>>>
> >>>>> Peter,
> >>>>>
> >>>>> This is really good work.  It seems like you really have
> >>> a handle on
> >>>>> how to reproduce this problem.
> >>>>>
> >>>>> Do you have any tools that you could bring to bear on *where* the
> >>>>> memory leak is in the code?  It sure sounds like you are just a
> >>>>> single step away from finding the leak.
> >>>>>
> >>>>> --
> >>>>> Tom Jordahl
> >>>>> Macromedia Server Development
> >>>>>
> >>>>> -----Original Message-----
> >>>>> From: Peter Molettiere [mailto:pietro@axonstudios.net]
> >>>>> Sent: Friday, July 16, 2004 2:27 PM
> >>>>> To: dims@apache.org
> >>>>> Cc: axis-dev@ws.apache.org; Glen Daniels
> >>>>> Subject: Re: AXIS-1423 : Peter's test case for performance
> >>>>>
> >>>>>
> >>>>> Hey guys,
> >>>>>
> >>>>> We set the numbers high to make the problem manifest easily,
> >>>>> however, if you set the return message size smaller, you'll still
> >>>>> see the server side memory leak, it will just take much longer to
> >>>>> notice, since you have to leak much more memory before the
> >>>>> serialization/deserialization overhead (which is itself
> >>> much smaller
> >>>>> due to the smaller message size) bumps into the max heap
> >>> size limit.
> >>>>>
> >>>>> We're mainly concerned with the server leaking memory,
> >>> rather than
> >>>>> the large amount of memory used during
> >>>>> serialization/deserialization, since it eventually crashes our
> >>>>> server, whereas we can just install more RAM and increase
> >>> our heap
> >>>>> size to get around the gobs of memory used during serialization.
> >>>>>
> >>>>> --Peter
> >>>>>
> >>>>> On Jul 16, 2004, at 9:26 AM, Davanum Srinivas wrote:
> >>>>>
> >>>>>> Glen,
> >>>>>>
> >>>>>> Uploaded a slightly revved version of Peter's test case.
> >>> Note that
> >>>>>> there are 15 threads each issuing 50 calls against a
> >>> service that
> >>>>>> delivers a 13 MB XML  (Please edit the client code to
> >>> restore the
> >>>>>> original params if needed)
> >>>>>>
> >>>>>> http://nagoya.apache.org/jira/browse/AXIS-1423
> >>>>>>
> >>>>>> -- dims
> >>>>>>
> >>>>>> --
> >>>>>> Davanum Srinivas - http://webservices.apache.org/~dims/
> >>>>
> >>>>
> >>>
> >>>
> >>> --
> >>> Davanum Srinivas - http://webservices.apache.org/~dims/
> >>>
> >>>
> >>
> >
> >
> > --
> > Davanum Srinivas - http://webservices.apache.org/~dims/
> 
> 


-- 
Davanum Srinivas - http://webservices.apache.org/~dims/

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