Re: 50 000 tables - table_cache

2003-11-18 Thread Dan Nelson
In the last episode (Nov 18), Jrgen Winqvist said: > I'm working with an application that uses a lot of tables. Apx 50k > tables are accessed every 5 minuts and they are openened/closed > constantly. There is a performance problem and i've changed the > filesystem to reiserfs for better handling ma

RE: 50 000 tables - table_cache

2003-11-18 Thread Dan Greene
out this one, but it's a though > -Original Message- > From: Jörgen Winqvist [mailto:[EMAIL PROTECTED] > Sent: Tuesday, November 18, 2003 11:02 AM > To: Chris Nolan > Cc: [EMAIL PROTECTED] > Subject: Re: 50 000 tables - table_cache > > > Hi Chris, >

Re: 50 000 tables - table_cache

2003-11-18 Thread Jörgen Winqvist
Hi Chris, I know its not good to have that many tables but that's the way its done. I can't see why a merge would help. It still has to open all the tables. regards /jorgen Chris Nolan wrote: Hi! Looking through the docs, MySQL's internals don't seem to lend themselves well to having this

Re: 50 000 tables - table_cache

2003-11-18 Thread Chris Nolan
Hi! Looking through the docs, MySQL's internals don't seem to lend themselves well to having this many tables. Is there any chance you could use MERGE tables to chuck a few of them together (admittedly I'm guessing here). Regards, Chris Jörgen Winqvist wrote: I'm working with an application

50 000 tables - table_cache

2003-11-18 Thread Jörgen Winqvist
I'm working with an application that uses a lot of tables. Apx 50k tables are accessed every 5 minuts and they are openened/closed constantly. There is a performance problem and i've changed the filesystem to reiserfs for better handling many files. I also increased the open-file limit in both