Andrew Braithwaite wrote:
Does anyone know if thread_concurrency works in linux or is it just
limited to Solaris and Windows?

Hi! That variable only affects Solaris, as the Solaris threading library supports thr_setconcurrency().

innodb_thread_concurrency, however, can affect all platforms, AFAIK:

http://www.mysql.org/doc/refman/5.0/en/innodb-parameters.html#option_mysqld_innodb_thread_concurrency

I know the general rule is number of CPU's*2 but will this actually have
any effect with Linux's threading model?

Nope, at least AFAIK.

-jay

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