> > >>>>> "OB" == Oleg Bartunov <[EMAIL PROTECTED]> writes:
> >
> > OB> This message is for every proxied request.
> > OB> Does anybody knows what does it means ?
> > OB> In proxy config I have
> > OB> ProxyReceiveBufferSize 1048576
> >
> > OB> Restarting proxy server doesn't helps.
> >
> > OB> btw, anybody know what is an optimal size of ProxyReceiveBufferSize
> > OB> and does it really works.
> >
> > As a followup to Vivek's email, I've digged up in the linux kernel
> > sources, the 2 relevant snippets are:
> >
> > /usr/src/linux/net/core/sock.c:
> >
> > /* Run time adjustable parameters. */
> > __u32 sysctl_wmem_max = SK_WMEM_MAX;
> > __u32 sysctl_rmem_max = SK_RMEM_MAX;
> > __u32 sysctl_wmem_default = SK_WMEM_MAX;
> > __u32 sysctl_rmem_default = SK_RMEM_MAX;
> > [snip]
> > case SO_RCVBUF:
> > /* Don't error on this BSD doesn't and if you think
> > about it this is right. Otherwise apps have to
> > play 'guess the biggest size' games. RCVBUF/SNDBUF
> > are treated in BSD as hints */
> >
> > if (val > sysctl_rmem_max)
> > val = sysctl_rmem_max;
> >
> > /* FIXME: is this lower bound the right one? */
> > sk->rcvbuf = max(val*2,256);
> > break;
> >
> >
> >
> >
> >
> > /usr/src/linux/include/linux/skbuff.h:
> > /* These are just the default values. This is run time configurable.
> > * FIXME: Probably the config option should go away. -- erics
> > */
> >
> > # ifdef CONFIG_SKB_LARGE
> > #define SK_WMEM_MAX 65535
> > #define SK_RMEM_MAX 65535
> > #else
> > #define SK_WMEM_MAX 32767
> > #define SK_RMEM_MAX 32767
> > #endif
> >
> >
> > So the limit is either 32k or 64k, depending on CONFIG_SKB_LARGE...
> > If you set it bigger it silently uses the default value as you see in the
> > first code snippet
> >
> > I used to write a 1Mb example in the guide. Have removed the rewishful
> > setting :)
>
> No, don't remove it. Under FreeBSD it's possible to
> configure kernel to have more buffers for socket:
>
> sysctl -w kern.ipc.maxsockbuf=2621440
>
> I did this and errors are gone now ! I still use 1Mb value.
> Probably it's worth to comment this in your guide.
Of course! Thanks Oleg!
Someone wants to include a similar infobits regarding other OS?
_______________________________________________________________________
Stas Bekman mailto:[EMAIL PROTECTED] www.singlesheaven.com/stas
Perl,CGI,Apache,Linux,Web,Java,PC at www.singlesheaven.com/stas/TULARC
www.apache.org & www.perl.com == www.modperl.com || perl.apache.org
single o-> + single o-+ = singlesheaven http://www.singlesheaven.com
