svn commit: r209428 - head/tools/tools/netrate/tcpp

[Robert Watson]

Author: rwatson
Date: Tue Jun 22 10:45:35 2010
New Revision: 209428
URL: http://svn.freebsd.org/changeset/base/209428

Log:
  Revised tuning advice for tcpp benchmarking: do it in loader.conf, and
  tweak more TCP/stack parameters.
  
  Sponsored by:	Juniper Networks
  MFC after:	1 week

Modified:
  head/tools/tools/netrate/tcpp/README

Modified: head/tools/tools/netrate/tcpp/README
==============================================================================
--- head/tools/tools/netrate/tcpp/README	Tue Jun 22 09:45:20 2010	(r209427)
+++ head/tools/tools/netrate/tcpp/README	Tue Jun 22 10:45:35 2010	(r209428)
@@ -80,12 +80,20 @@ mixes.
 Configuration Notes
 -------------------
 
-In my testing, I use sysctl.conf entries of:
+In my testing, I use loader.conf entries of:
 
-net.inet.ip.portrange.first=100
 kern.ipc.maxsockets=1000000
 net.inet.tcp.maxtcptw=3000000
 kern.ipc.somaxconn=49152
+kern.ipc.nmbjumbo16=262144
+kern.ipc.nmbjumbo9=262144
+kern.ipc.nmbjumbop=262144
+kern.ipc.nmbclusters=262144
+net.inet.tcp.syncache.cachelimit=65536
+net.inet.tcp.syncache.bucketlimit=512
+
+# May be useful if you can't use multiple IP addresses
+net.inet.ip.portrange.first=100
 
 # For running !multiq, do this before loading the driver:
 kenv hw.cxgb.singleq="1"