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Diffstat (limited to 'man/man5/zfs-module-parameters.5')
| -rw-r--r-- | man/man5/zfs-module-parameters.5 | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/man/man5/zfs-module-parameters.5 b/man/man5/zfs-module-parameters.5 index 3c61ac1a9..a7623ff27 100644 --- a/man/man5/zfs-module-parameters.5 +++ b/man/man5/zfs-module-parameters.5 @@ -854,8 +854,11 @@ Default value: \fB10\fR%. \fBzfs_arc_max\fR (ulong) .ad .RS 12n -Max arc size of ARC in bytes. If set to 0 then it will consume 1/2 of system -RAM. This value must be at least 67108864 (64 megabytes). +Max size of ARC in bytes. If set to 0 then the max size of ARC is determined +by the amount of system memory installed. For Linux, 1/2 of system memory will +be used as the limit. For FreeBSD, the larger of all system memory - 1GB or +5/8 of system memory will be used as the limit. This value must be at least +67108864 (64 megabytes). .sp This value can be changed dynamically with some caveats. It cannot be set back to 0 while running and reducing it below the current ARC size will not cause |