directio not working
Richard Kearsley
Richard.Kearsley at m247.com
Wed Jun 15 20:37:02 MSD 2011
Hi, from nginx wiki:
directio
syntax: directio [size|off]
default: directio off
context: http, server, location
The directive enables use of flags O_DIRECT (FreeBSD, Linux), F_NOCACHE (Mac OS X) or directio() function (Solaris) for reading files with size greater than specified. This directive disables use of sendfile<http://wiki.nginx.org/HttpCoreModule#sendfile> for this request. This directive may be useful for big files:
directio 4m;
I have in my config:
directio 0;
(I do not want to cache anything in ram)
But ater 5 mins of nginx running:
free -m
total used free shared buffers cached
Mem: 7994 1980 6014 0 255 1033
-/+ buffers/cache: 691 7303
(cached is going up and up)
Is something else needed or is it just not working?
OS:
2.6.35-28-generic #50-Ubuntu SMP Fri Mar 18 18:42:20 UTC 2011 x86_64 GNU/Linux
Many thanks as always
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