mysql scaling questions
Kris Kennaway
kris at FreeBSD.org
Thu Jan 3 13:52:39 PST 2008
Gergely CZUCZY wrote:
>> * Compare to my config file here:
>>
>> http://people.freebsd.org/~kris/scaling/my.cnf
>>
>> The default mysql config has very poor performance for innodb (you need at least innodb_thread_concurrency = 0 to disable some mysql
>> brain-death). Maybe tuning is required for myisam also.
>>
>> * Also make sure you are using identical config settings on the two systems.
> http://phoemix.harmless.hu/mysql/ verify yourself. Only the paths are
> updated, but the main parameters are just the same.
You are not in fact using the same config parameters as I am. When I
use your config file I see a large performance loss when I run locally
even with innodb.
Kris
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