Re: TCP memory pressure question

From: Nivedita Singhvi (niv@us.ibm.com)
Date: Thu Nov 21 2002 - 20:27:45 EST


> When a Linux machine has reached the tcp_mem limit, what will happen to
> 'write's on non-blocking sockets? Will they block until more TCP memory is
> available? Will they return an error code? ENOMEM?
>
> If it varies by kernel version, details about different versions would be
> extremely helpful. I'm most interested in late 2.4 kernels.
>
> Thanks in advance.
>

Returns EAGAIN.
Fairly static ~late 2.4.

thanks,
Nivedita
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