Re: __alloc_pages: 0-order allocation failed (gfp=0x20/0)

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On Sun, Jun 10, 2007 at 11:03:20AM +0200, Gabor Z. Papp wrote:
> * Willy Tarreau <w@xxxxxx>:
> 
> | 37 sockets does not seem much. Maybe you have very large buffers.
> | You may want to check /proc/sys/net/ipv4/tcp_rmem and tcp_wmem,
> | and maybe reduce the values there.
> 
> $ cat /proc/sys/net/ipv4/tcp_rmem
> 4096    87380   174760
> 
> $ cat /proc/sys/net/ipv4/tcp_wmem
> 4096    16384   131072
> 
> What are these values?

min, default, and max size of socket buffers (in bytes).
Those are standard and you do not have many sockets, so you're
not short of buffers.

Maybe it's your application which ate all memory ?

Willy

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