[rt-users] RT query for test InnoDB performance

Jesse Vincent jesse at bestpractical.com
Mon Jan 16 09:49:09 EST 2006




On Mon, Jan 16, 2006 at 12:25:30PM +0100, Francesco Dalla Ca' wrote:
> I have got RT 3.4.1 with the DB on a mysql server (4.0.20-max) with 
> InnoDB tables.
> Since few months, i perceive a sensible performance degradation. Mysql 
> Support suggest me to do an "ALTER TABLE table ENGINE=InnoDB;" (Null 
> alter table) to defragment the table and recalculate index statistics.

RT should _alway_ be run with InnoDB tables if you're running on MySQL.
Running with the default "MyISAM" table type is dangerous and should be
avoided.

Jesse


> I want to test with a RT real and most frequently SQL query (for example 
> to search tickets) before and after "ALTER TABLE" operation, to measure 
> the improvement. Can anyone suggest a typical RT SQL query?
> 
> Thank in advance.
> Regards, Francesco.
> 
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