Boot time sysctl setting for Lustre OS X.

build/osxpack/sysctl.conf

+# nmbclusters can not be modified by sysctl(it's read only)
+# so we have to change it in kernel patch
+## kern.ipc.nmbclusters=32768
+
+# Keep a long enough reassembly queue. 
+net.inet.tcp.reass.maxsegments=4096
+
+# max permited sockbuf
+kern.ipc.maxsockbuf=8388608
+
+# XXX 
+net.inet.tcp.sendspace=3217968
+net.inet.tcp.recvspace=3217968
+
+kern.maxvnodes=65536