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[ILUG] mysql table cache...

[ILUG] mysql table cache...

Wesley Darlington wesley at yelsew.com
Mon Jul 16 10:25:50 IST 2001


Hello,

On Tue, Jul 10, 2001 at 04:23:13PM +0100, kevin lyda wrote:
> have a problem with a few huge sql queries that join a lot of tables.
> tried increasing the table_cache and it just dies at startup now.
> any tips?  has anyone here done large sql queries on large tables in
> mysql - any ideas on how to get them to return quicker?

What do the logs say?

How big did you set table_cache to be? 1024 is, typically, quite a
big number for MySQL's table_cache. Try a big temporary table max size:
   ... -O tmp_table_size=8388608 

ATB
Wesley.




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