O_Direct in my.ini startup crash

Question

I am searching high and low to solve our database speed problem.

When I try to use:

innodb_flush_method=O_DIRECT

In my my.ini file, the MySQL service fails to start. I can not find anywhere on Google where others are having this same error.

Can anyone tell me how I can get this directive to work?

Answer 1

Based on the filename my.ini you specified, I have to assume you're on Windows. The O_DIRECT option is only available on Linux, FreeBSD, and Solaris. See the MySQL manual section on innodb_flush_method for more details.