Stefan
Message: 6
From: "Sacha Labourey" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>, <[EMAIL PROTECTED]>
Subject: RE: [JBoss-dev] Re: how's ecperf going?
Date: Sat, 25 Jan 2003 11:45:58 +0100
Reply-To: [EMAIL PROTECTED]
BTW, that's a cool idea: we should have not only the testsuite running on
different JVM/OS but the ECPERF to see the evolution of performance accross
releases (so we would need some kind of result page where each day we have a
different value). NetBeans has this.
I could set it up to run on Windows Advanced Server bi-proc if you want. I
was setting up some automated clustering testing before the training but had
issues with build/build.xml calling testsuite/build.xml (bug in buildmagic
probably) I wrote to Jason but I guess he has other priorities (such as
looking at the blue sky)
-----Message d'origine-----
De : [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]De la part de
Stefan Reich
Envoye : samedi, 25 janvier 2003 02:24
A : [EMAIL PROTECTED]
Cc : [EMAIL PROTECTED]
Objet : [JBoss-dev] Re: how's ecperf going?
Hi Bill,
I am running ecperf regularly on the 3.0 and 3.2 branches. I
accumulated a bunch of fixes for scalability and performance problems
already, plus a few fixes for inconsistent lock usage that I will merge
soon.
Here are some things I noticed:
* the test fails when I deploy the BMP version, some of the beans that
have been created don't seem to end up in the database.
* the CMP version must be tweaked to use the util.xml BMP version of
the beans (search for SERIALIZABLE in the README) to work correctly
* the CMP version doesn't deploy anymore on the current 3.2 branch
* with the 3.2 branch I get many more spurious esceptions than with 3.0
* a HashMap in the class CachedConnectionManager seems to be the most
contended lock
* JAWS checks for the existence of a PK before inserting a new row in
the database. This is pretty expensive.
* the LogInterceptor usage of the NDC class makes it a global source of
contention
* TxInterceptorCMP suspends and resumes a transaction in all cases,
sometimes even twice. This can be very expensive, especially with
global transactions.
Since I am running the tests on PowerPC Macs and the Apple VM it is
hard to compare the results with other platforms.
Stefan
On Thursday, Jan 23, 2003, at 19:11 US/Pacific, Bill Burke wrote:
Are you getting decent results? I heard from Scott that you've made
some
improvements. Need me to merge your changes at all? Just want to know
what's up.
Thanks,
XXXXXXXXXXXXXXXX
Bill Burke
Chief Architect
JBoss Group, LLC
XXXXXXXXXXXXXXXX
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