nginx high i/o

[Maxim Dounin]

Hello!

On Sat, Nov 21, 2009 at 02:19:16PM +0100, Stefanita Rares Dumitrescu wrote:

>         fastcgi_max_temp_file_size 0;
> This directive turns off fastcgi buffering according to the source code.
> 
> i did this, and the buffer errors are gone. however, the pages load
> very very slow. take about 5-10 seconds to load the page.

As I already said, switching off disk buffering has it's cost.  
Without buffering backend processes will be busy for much longer 
time.  There is no surprise that the same number of backend 
processes is no longer enough.

Maxim Dounin