LU-5240 obdclass: Increase minimum LU Cache for ZFS

[fs/lustre-release.git] / lustre / obdclass / lu_object.c

diff --git a/lustre/obdclass/lu_object.c b/lustre/obdclass/lu_object.c
index fe43331..91b3693 100644 (file)
--- a/lustre/obdclass/lu_object.c
+++ b/lustre/obdclass/lu_object.c
@@ -71,7 +71,8 @@ enum {
 #define        LU_CACHE_NR_UNLIMITED           -1
 #define        LU_CACHE_NR_DEFAULT             LU_CACHE_NR_UNLIMITED
 #define        LU_CACHE_NR_LDISKFS_LIMIT       LU_CACHE_NR_UNLIMITED
-#define        LU_CACHE_NR_ZFS_LIMIT           256
+/** This is set to roughly (20 * OSS_NTHRS_MAX) to prevent thrashing */
+#define        LU_CACHE_NR_ZFS_LIMIT           10240
 
 #define LU_SITE_BITS_MIN    12
 #define LU_SITE_BITS_MAX    24