Illumos 5368 - ARC should cache more metadata

5368 ARC should cache more metadata Reviewed by: Alex Reece <[email protected]> Reviewed by: Christopher Siden <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Richard Elling <[email protected]> Approved by: Dan McDonald <[email protected]> References: https://www.illumos.org/issues/5368 illumos/illumos-gate@3a5286a Porting Notes: The vast majority of this patch was already merged in the context of the 06358ea changes. This is just a small hunk which was missed. Ported-by: Brian Behlendorf <[email protected]>
openzfs · Jun 25, 2015 · c52fca1 · c52fca1
1 parent 669dedb
commit c52fca1
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/module/zfs/arc.c b/module/zfs/arc.c
@@ -4928,6 +4928,12 @@ arc_init(void)
 	if (zfs_arc_meta_limit > 0 && zfs_arc_meta_limit <= arc_c_max)
 		arc_meta_limit = zfs_arc_meta_limit;
 
+	if (zfs_arc_meta_min > 0) {
+		arc_meta_min = zfs_arc_meta_min;
+	} else {
+		arc_meta_min = arc_c_min / 2;
+	}
+
 	if (zfs_arc_num_sublists_per_state < 1)
 		zfs_arc_num_sublists_per_state = num_online_cpus();