How much memory is in this machine?
maxsockets is in turn clipped by "nmbclusters" which is in turn clipped
by "maxusers" which is limited to 384 MAXIMUM unless you're running
-CURRENT.
On 10/30/12 10:05 AM, Navdeep Parhar wrote:
On 10/30/12 06:21, Adam Strohl 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?
kern.ipc.maxsockets controls this limit. See in_pcbinfo_init() for
details.
Regards,
Navdeep
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