On Wed, 8 Nov 2000, Len Conrad wrote:
> All I need to change, I think, is maxusers since we're getting this
> error from postfix:
>
> Nov 8 04:59:41 postfix/qmgr[16383]: fatal: socket: No buffer space available
> Nov 8 04:59:41 postfix/smtp[16872]: fatal: socket: No buffer space available
> Nov 8 05:00:58 postfix/qmgr[16876]: fatal: socket: No buffer space available
>
> The machine can get up 200 SMTP processes and 50 SMTPD processes
> simulatenously, 256 meg RAM.
>
> Increasing maxusers will fix this pb? afaic, maxusers can't be fixed
> with sysctl.
I think you can up the mbuf related settings while the system is
running. Give it a try. The two sysctls you'll want to fiddle with are:
kern.ipc.nmbclusters
kern.ipc.nmbufs
You can determine which is needed more through a quick netstat -m.
Mike "Silby" Silbersack
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