svn commit: r214544 - stable/8/share/man/man7
Konstantin Belousov
kib at FreeBSD.org
Sat Oct 30 01:24:26 UTC 2010
Author: kib
Date: Sat Oct 30 01:24:26 2010
New Revision: 214544
URL: http://svn.freebsd.org/changeset/base/214544
Log:
MFC r213917:
Document vfs.ncsizefactor and vfs.ncnegfactor.
Modified:
stable/8/share/man/man7/tuning.7
Directory Properties:
stable/8/share/man/man7/ (props changed)
Modified: stable/8/share/man/man7/tuning.7
==============================================================================
--- stable/8/share/man/man7/tuning.7 Sat Oct 30 01:19:15 2010 (r214543)
+++ stable/8/share/man/man7/tuning.7 Sat Oct 30 01:24:26 2010 (r214544)
@@ -23,7 +23,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd January 23, 2009
+.Dd October 16, 2010
.Dt TUNING 7
.Os
.Sh NAME
@@ -511,6 +511,24 @@ Also,
higher write queueing values may add latency to reads occurring at the same
time.
.Pp
+The
+.Va vfs.ncsizefactor
+sysctl defines how large VFS namecache may grow.
+The number of currently allocated entries in namecache is provided by
+.Va debug.numcache
+sysctl and the condition
+debug.numcache < kern.maxvnodes * vfs.ncsizefactor
+is adhered to.
+.Pp
+The
+.Va vfs.ncnegfactor
+sysctl defines how many negative entries VFS namecache is allowed to create.
+The number of currently allocated negative entries is provided by
+.Va debug.numneg
+sysctl and the condition
+vfs.ncnegfactor * debug.numneg < debug.numcache
+is adhered to.
+.Pp
There are various other buffer-cache and VM page cache related sysctls.
We do not recommend modifying these values.
As of
More information about the svn-src-stable
mailing list