On 2014-8-12, at 12:31, Michael Tuexen <michael.tue...@lurchi.franken.de> wrote: > On 12 Aug 2014, at 10:02, Eggert, Lars <l...@netapp.com> wrote: >> I bumped kern.ipc.nmbclusters by a factor of 100 (from 2036224 to >> 203622400). As Hiren said, kern.ipc.nmbufs auto-adjusted (from 13031835 to >> 205111860). > Just to double check: You changed it in /boot/loader.conf, right?
Yep, and it has taken effect: # sysctl -a | egrep 'nmb|mbuf' kern.ipc.maxmbufmem: 16680744960 kern.ipc.nmbclusters: 203622400 kern.ipc.nmbjumbop: 1018111 kern.ipc.nmbjumbo9: 904986 kern.ipc.nmbjumbo16: 678740 kern.ipc.nmbufs: 205111860 net.inet.sctp.max_chained_mbufs: 5 >> I just noticed that the total "mbufs in use" didn't seem to have increase >> when I did the 100x scaling of kern.ipc.nmbclusters (and kern.ipc.nmbufs >> auto-adjusted). Neither did "bytes allocated to network". Is that expected? > I don't think so... Am I hitting some other kernel limit on how much memory in total the stack can use? Lars
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