Re: isSingleXXX in AbstractJdbc1Statement
От | Chris Smith |
---|---|
Тема | Re: isSingleXXX in AbstractJdbc1Statement |
Дата | |
Msg-id | 018c01c3f5a8$bce6d0a0$6f00000a@KYA обсуждение исходный текст |
Ответ на | isSingleXXX in AbstractJdbc1Statement ("Chris Smith" <cdsmith@twu.net>) |
Список | pgsql-jdbc |
Oliver Jowett wrote: > I can only speculate, since the java profiling tools are so bad -- I'm > yet to get a good CPU profile out of this bit of code. It all *seems* > fairly cheap so I can only guess that it's an accumulation of many > small operations along the way. Object creation doesn't seem to be > the root of the problem, as even with heap settings that avoid GCing > frequently it's chewing CPU the whole time, not just during GCs. > > I should really do some more profiling of this area, I've just been > avoiding it because it's so painful to do.. Fair enough. When I finish this patch, I'll certainly do some comparative testing and look forward to your own experiences. Finishing is starting to look not *so* far away any longer -- I just need to get batch updates and updatable result sets working, do the prepared statement and cursor stuff for v3 extended query, and then test and clean up. -- www.designacourse.com The Easiest Way to Train Anyone... Anywhere. Chris Smith - Lead Software Developer/Technical Trainer MindIQ Corporation
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