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| author | sheldonh <sheldonh@FreeBSD.org> | 2000-07-26 08:51:58 +0000 |
|---|---|---|
| committer | sheldonh <sheldonh@FreeBSD.org> | 2000-07-26 08:51:58 +0000 |
| commit | 75cb2c66dcfb6812a5223f72545397cd4bac7764 (patch) | |
| tree | f1f5c059b754decfdc36a65708b8ed819814283b /share/man/man4/syncer.4 | |
| parent | cef359aa2c2f4a310b233d963bc02a1209f087b1 (diff) | |
| download | FreeBSD-src-75cb2c66dcfb6812a5223f72545397cd4bac7764.zip FreeBSD-src-75cb2c66dcfb6812a5223f72545397cd4bac7764.tar.gz | |
Describe the syncer(4)-related sysctls kern.filedelay, kern.dirdelay
and kern.metadelay, thanks to mckusick's feedback.
Diffstat (limited to 'share/man/man4/syncer.4')
| -rw-r--r-- | share/man/man4/syncer.4 | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/share/man/man4/syncer.4 b/share/man/man4/syncer.4 index 27ece74..95f2246 100644 --- a/share/man/man4/syncer.4 +++ b/share/man/man4/syncer.4 @@ -53,14 +53,22 @@ the .Nm process forces a write out to disk of its dirty buffers. .Pp -Usually, -buffers will be written out no more than -about 30 seconds -after they are dirtied. +The usual delay between the time buffers are dirtied +and the time they are synced +is controlled by the following +.Xr sysctl 8 +tunable variables: +.Bl -column "filedelayXXXX" "DefaultXX" "DescriptionXX" +.It Em Variable Ta Em Default Ta Em Description +.It Va kern.filedelay Ta 30 Ta "time to delay syncing files" +.It Va kern.dirdelay Ta 29 Ta "time to delay syncing directories" +.It Va kern.metadelay Ta 28 Ta "time to delay syncing metadata" +.El .Sh SEE ALSO .Xr sync 2 , .Xr fsck 8 , -.Xr sync 8 +.Xr sync 8 , +.Xr sysctl 8 .Sh HISTORY The .Nm |
