HDD util is 100% - aio questions

Cristian Rusu crirus at gmail.com
Mon Jan 28 06:53:52 UTC 2013


Right now nginx manages to put hdds in the server to high util rate.

I try to run Nginx 1.2.3 with aio support to deliver mp4 videos with the
streaming module.
I compiled the server with aio and it starts fine.
In config I set it like this

    sendfile        off;
    output_buffers 1 2m;
    aio on;
    directio 512;

I read that sendfile should be off, but it won't send video unless I turn
it on.
In this case does aio work at all? How can I tell, before I wait a week and
see that maybe HDD util is not 100% all the time anymore :P

Cristian Rusu
Web Developement & Electronic Publishing

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