search for: nsfbuf

I first met this problem when our (60 students) internetgateway refused to boot its new kernel, it was a 4.7-RELEASE. Then i loaded the old kernel and went home to check if my 4.8-STABLE does likewise. And the answer was yes! Both kernels were GENERIC + these options taken from the dummynet man pages: options DUMMYNET options NMBCLUSTERS options HZ When i boot the machine

...Xeon 2.8 with SMP compiled, hyperthreading NOT compiled in kernel * 4 GB of RAM, 8 GB of swap on Raid 1 (15K RPM drives) for speed * User Data is on Raid 5 in a detached PowerVault Contents of /boot/loader.conf: kern.ipc.maxsockets=32768 kern.ipc.nmbclusters=32768 kern.ipc.nmbufs=131072 kern.ipc.nsfbufs=6656 kern.ipc.shm_use_phys=1 kern.maxfiles=32768 kern.maxproc=8192 kern.maxswzone=33554432 kern.nbuf=16384 kern.ncallout=32768 kern.vm.kmem.size=268435456 kern.vm.pmap.shpgperproc=2048 net.inet.tcp.tcbhashsize=16384 Contents of /etc/sysctl.conf: kern.ip.somaxconn=4096 vm.v_free_min=131072 vm.v_f...

Hi All, Mysql service is going down continously in my system due to lack of memory space. I checked the messages log and found the following error message. All mbuf clusters exhausted, please see tuning(7). I have no idea about mbuf cluster. Can anyone please help me to fix the issue. I hope the information below will help you. Following is the output of top. last pid: 84718; load

...e: 10 kern.ipc.semusz: 92 kern.ipc.semvmx: 32767 kern.ipc.semaem: 16384 kern.ipc.shmmax: 33554432 kern.ipc.shmmin: 1 kern.ipc.shmmni: 192 kern.ipc.shmseg: 128 kern.ipc.shmall: 8192 kern.ipc.shm_use_phys: 0 kern.ipc.shm_allow_removed: 0 kern.ipc.numopensockets: 22 kern.ipc.maxsockets: 12328 kern.ipc.nsfbufs: 6656 kern.ipc.nsfbufspeak: 4 kern.ipc.nsfbufsused: 0 kern.dummy: 0 kern.ps_strings: 3217031152 kern.usrstack: 3217031168 kern.logsigexit: 1 kern.iov_max: 1024 kern.cam.cam_srch_hi: 0 kern.cam.scsi_delay: 5000 kern.cam.cd.changer.min_busy_seconds: 5 kern.cam.cd.changer.max_busy_seconds: 15 kern.ca...