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Diffstat (limited to 'man')
| -rw-r--r-- | man/man5/zfs-module-parameters.5 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/man/man5/zfs-module-parameters.5 b/man/man5/zfs-module-parameters.5 index 3b88d9748..6c15f11b7 100644 --- a/man/man5/zfs-module-parameters.5 +++ b/man/man5/zfs-module-parameters.5 @@ -373,6 +373,22 @@ Use \fB1\fR for yes and \fB0\fR for no (default). .sp .ne 2 .na +\fBzfs_metaslab_max_size_cache_sec\fR (ulong) +.ad +.RS 12n +When we unload a metaslab, we cache the size of the largest free chunk. We use +that cached size to determine whether or not to load a metaslab for a given +allocation. As more frees accumulate in that metaslab while it's unloaded, the +cached max size becomes less and less accurate. After a number of seconds +controlled by this tunable, we stop considering the cached max size and start +considering only the histogram instead. +.sp +Default value: \fB3600 seconds\fR (one hour) +.RE + +.sp +.ne 2 +.na \fBzfs_vdev_default_ms_count\fR (int) .ad .RS 12n |