d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Reword parts of tuning(7) regarding loader tunables, which are refered

Browse Source 
to in the document as "boot-time sysctls".  Instead, refer to them as
loader tunables.
This commit is contained in:
rwatson 2001-12-06 19:36:21 +00:00
parent e0b71aa03c
commit 9785934b45
1 changed files with 7 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
share/man/man7/tuning.7
View File

@ -524,17 +524,16 @@ In a small system
this option will have a detrimental effect but in a large system that is
already doing moderate paging this option allows the VM system to stage
whole processes into and out of memory more easily.
.Sh BOOT-TIME SYSCTL TUNING
Some sysctls may not be tunable at runtime because the memory allocations
they perform must occur early in the boot process.
To change these sysctls,
you must set their value in
.Sh LOADER TUNABLES
Some aspects of the system behavior may not be tunable at runtime because
memory allocates they perform must occur early in the boot process.
To change loader tunables, you must set their value in
.Xr loader.conf 5
and reboot the system.
.Pp
The
.Va kern.maxusers
sysctl defaults to an incredibly low value.
tunable defaults to an incredibly low value.
For most modern machines,
you probably want to increase this value to 64, 128, or 256.
We do not
@ -544,7 +543,7 @@ kernel option.
Do not increase maxusers just to get more network mbufs.
Systems older than
.Fx 4.4
do not have this sysctl and require that
do not have this loader tunable and require that
the kernel
.Xr config 8
option
@ -580,7 +579,7 @@ option to
may be used to observe network cluster use.
Older versions of
.Fx
do not have this sysctl and require that the
do not have this tunable and require that the
kernel
.Xr config 8
option