diff options
| author | Ryan Moeller <[email protected]> | 2020-04-30 20:48:58 -0400 |
|---|---|---|
| committer | GitHub <[email protected]> | 2020-04-30 17:48:58 -0700 |
| commit | 154e48eac904dc8e4d46c8f74f0ce50dd0e94697 (patch) | |
| tree | 19d598b83bf42e0173605d8842b27ff67e33aed2 | |
| parent | 0aeb0bed6fe12afa9c3c9c5cab0fb287f768d5d5 (diff) | |
zdb: Fix ignored zfs_arc_max tuning
Running zdb -l $disk shows a warning that zfs_arc_max is being ignored.
zdb sets zfs_arc_max below zfs_arc_min, which causes the value to be
ignored by arc_tuning_update().
Set zfs_arc_min to the bare minimum in zdb, which is below zfs_arc_max.
Reviewed by: Brian Behlendorf <[email protected]>
Reviewed-by: Allan Jude <[email protected]>
Reviewed-by: Matthew Ahrens <[email protected]>
Reviewed-by: George Melikov <[email protected]>
Signed-off-by: Ryan Moeller <[email protected]>
Closes #10269
| -rw-r--r-- | cmd/zdb/zdb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c index f5492666f..f4b4b454b 100644 --- a/cmd/zdb/zdb.c +++ b/cmd/zdb/zdb.c @@ -100,7 +100,7 @@ zdb_ot_name(dmu_object_type_t type) extern int reference_tracking_enable; extern int zfs_recover; -extern uint64_t zfs_arc_max, zfs_arc_meta_limit; +extern uint64_t zfs_arc_min, zfs_arc_max, zfs_arc_meta_min, zfs_arc_meta_limit; extern int zfs_vdev_async_read_max_active; extern boolean_t spa_load_verify_dryrun; extern int zfs_reconstruct_indirect_combinations_max; @@ -7414,6 +7414,7 @@ main(int argc, char **argv) * ZDB does not typically re-read blocks; therefore limit the ARC * to 256 MB, which can be used entirely for metadata. */ + zfs_arc_min = zfs_arc_meta_min = 2ULL << SPA_MAXBLOCKSHIFT; zfs_arc_max = zfs_arc_meta_limit = 256 * 1024 * 1024; #endif |