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Diffstat (limited to 'man/man5/zfs-module-parameters.5')
| -rw-r--r-- | man/man5/zfs-module-parameters.5 | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/man/man5/zfs-module-parameters.5 b/man/man5/zfs-module-parameters.5 index 8515bf087..f7db35b19 100644 --- a/man/man5/zfs-module-parameters.5 +++ b/man/man5/zfs-module-parameters.5 @@ -28,6 +28,57 @@ Description of the different parameters to the ZFS module. .sp .ne 2 .na +\fBdbuf_cache_max_bytes\fR (ulong) +.ad +.RS 12n +Maximum size in bytes of the dbuf cache. When \fB0\fR this value will default +to \fB1/2^dbuf_cache_shift\fR (1/32) of the target ARC size, otherwise the +provided value in bytes will be used. The behavior of the dbuf cache and its +associated settings can be observed via the \fB/proc/spl/kstat/zfs/dbufstats\fR +kstat. +.sp +Default value: \fB0\fR. +.RE + +.sp +.ne 2 +.na +\fBdbuf_cache_hiwater_pct\fR (uint) +.ad +.RS 12n +The percentage over \fBdbuf_cache_max_bytes\fR when dbufs must be evicted +directly. +.sp +Default value: \fB10\fR%. +.RE + +.sp +.ne 2 +.na +\fBdbuf_cache_lowater_pct\fR (uint) +.ad +.RS 12n +The percentage below \fBdbuf_cache_max_bytes\fR when the evict thread stops +evicting dbufs. +.sp +Default value: \fB10\fR%. +.RE + +.sp +.ne 2 +.na +\fBdbuf_cache_shift\fR (int) +.ad +.RS 12n +Set the size of the dbuf cache, \fBdbuf_cache_max_bytes\fR, to a log2 fraction +of the target arc size. +.sp +Default value: \fB5\fR. +.RE + +.sp +.ne 2 +.na \fBignore_hole_birth\fR (int) .ad .RS 12n |