> -----Original Message----- > From: Stefan Reich [mailto:[EMAIL PROTECTED]] > Sent: Friday, January 24, 2003 8:24 PM > To: [EMAIL PROTECTED] > Cc: [EMAIL PROTECTED] > Subject: 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.
This is probably my fault. I was tweaking the shit out of the BMP stuff. > * 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 I wonder if CMP 1.1 is finally trashed....Was wondering when that would finally happen. > * 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. I guess if you have the correct table integrity checks, the DB will barf and the query is not needed. > * 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. > ?? Can you point this out? > Since I am running the tests on PowerPC Macs and the Apple VM it is > hard to compare the results with other platforms. > > Stefan > Stefan, this is great stuff! If you need any help, let me know and we'll get somebody to help you out. We really appreciate this work. Bill > 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 > > > ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! http://www.vasoftware.com _______________________________________________ Jboss-development mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-development
