Check the output of 'netstat -mb', maybe you're also running out of mbufs?
Adrian On 30 October 2012 06:21, Adam Strohl <[email protected]> wrote: > Hey -STABLE, > > I've got a client who we've setup a FreeBSD cluster for with about a dozens > servers, all behind two front end proxies/LBs/firewalls which also act as > NAT gateways for the internal servers. > > On the active front end proxy we've started seeing "fatal: socket: No buffer > space available" errors during high-peak times. I can see in vmstat -z > that this is what is getting denied: > > ITEM SIZE LIMIT USED FREE REQ FAIL SLEEP > tcp_inpcb: 392, 32770, 19398, 13372,1449734621,6312858, 0 > > We've got a lot of the other values bumped, and it appears to be this input > limit that is getting hit. There are no other non-zero FAILed counters > except 64 and 128 buckets which I believe are normal. > > I cannot seem to find the sysctl (or equiv) that controls this limit though, > or even what it is. Anyone know? > > I'm obviously in need of this specific answer, but overall is there a codex > of vmstat -z's items that explains this that I have just not found in my > searches? This isn't the first time I've had to dig into a value like this > to increase it's limit, but this time I'm not turning anything up. > > Any thoughts/ideas appreciated! > > -- > Adam Strohl > http://www.ateamsystems.com/ > > _______________________________________________ > [email protected] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "[email protected]" _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
