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Brian Behlendorf fa28e26e42 Increase default zfs_scan_vdev_limit to 16MB 
For HDD based pools the default zfs_scan_vdev_limit of 4M
per-vdev can significantly limit the maximum scrub performance.
Increasing the default to 16M can double the scrub speed from
80 MB/s per disk to 160 MB/s per disk.

This does increase the memory footprint during scrub/resilver
but given the performance win this is a reasonable trade off.
Memory usage is capped at 1/4 of arc_c_max.  Note that number
of outstanding I/Os has not changed and is still limited by
zfs_vdev_scrub_max_active.

Reviewed-by: Akash B <akash-b@hpe.com>
Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #14428
2023-04-24 12:55:07 -07:00
..
abd.c
Avoid small buffer copying on write
2022-07-26 10:10:37 -07:00
aggsum.c
More aggsum optimizations
2021-06-09 13:05:34 -07:00
arc.c
Improve arc_read() error reporting
2023-03-24 11:55:36 -05:00
blkptr.c
Add zstd support to zfs
2020-08-20 10:30:06 -07:00
bplist.c
Fast Clone Deletion
2019-07-26 10:54:14 -07:00
bpobj.c
Prefetch on deadlists merge
2023-03-02 14:37:07 -08:00
bptree.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
bqueue.c
zfs recv hangs if max recordsize is less than received recordsize
2022-09-19 09:39:07 -07:00
btree.c
Optimize microzaps
2023-03-02 14:37:07 -08:00
dataset_kstats.c
Introduce write-mostly sums
2021-06-09 13:05:34 -07:00
dbuf_stats.c
Revert "Reduce dbuf_find() lock contention"
2022-09-21 13:15:51 -07:00
dbuf.c
Optimize the is_l2cacheable functions
2023-03-07 09:07:58 -08:00
ddt_zap.c
Refactor dnode dirty context from dbuf_dirty
2020-02-26 16:09:17 -08:00
ddt.c
Tinker with slop space accounting with dedup
2021-09-14 12:38:05 -07:00
dmu_diff.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
dmu_object.c
Introduce CPU_SEQID_UNSTABLE
2020-11-02 11:51:12 -08:00
dmu_objset.c
Optimize the is_l2cacheable functions
2023-03-07 09:07:58 -08:00
dmu_recv.c
Deny receiving into encrypted datasets if the keys are not loaded (#14139)
2022-11-04 11:07:29 -07:00
dmu_redact.c
Fix incorrect size given to bqueue_enqueue() call in dmu_redact.c
2022-09-21 13:15:51 -07:00
dmu_send.c
Fix a race condition in dsl_dataset_sync() when activating features
2023-03-01 09:36:19 -08:00
dmu_traverse.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
dmu_tx.c
Refactor Log Size Limit
2022-09-26 14:55:27 -07:00
dmu_zfetch.c
System-wide speculative prefetch limit.
2023-03-02 14:37:07 -08:00
dmu.c
Additional limits on hole reporting
2023-03-29 10:40:49 -07:00
dnode_sync.c
Report dnodes with faulty bonuslen
2022-02-16 17:58:55 -08:00
dnode.c
Revert "ZFS_IOC_COUNT_FILLED does unnecessary txg_wait_synced()"
2023-04-18 11:44:07 -07:00
dsl_bookmark.c
Fix -Wattribute-warning in dsl layer
2022-07-27 13:38:56 -07:00
dsl_crypt.c
Move dmu_buf_rele() after dsl_dataset_sync_done()
2023-03-01 09:36:19 -08:00
dsl_dataset.c
Revert zfeature_active() to static
2023-03-01 09:36:19 -08:00
dsl_deadlist.c
Add missing increment to dsl_deadlist_move_bpobj()
2023-03-07 09:08:18 -08:00
dsl_deleg.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
dsl_destroy.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
dsl_dir.c
Avoid null pointer dereference in dsl_fs_ss_limit_check()
2022-12-01 12:39:43 -08:00
dsl_pool.c
Move dmu_buf_rele() after dsl_dataset_sync_done()
2023-03-01 09:36:19 -08:00
dsl_prop.c
dsl_prop_known_index(): check for invalid prop
2022-11-08 10:16:21 -08:00
dsl_scan.c
Increase default zfs_scan_vdev_limit to 16MB
2023-04-24 12:55:07 -07:00
dsl_synctask.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
dsl_userhold.c
Replace sprintf()->snprintf() and strcpy()->strlcpy()
2020-06-07 11:42:12 -07:00
edonr_zfs.c
Add include files for prototypes
2020-06-18 12:21:25 -07:00
fm.c
fm_fmri_hc_create() must call va_end() before returning
2022-12-01 12:39:42 -08:00
gzip.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
hkdf.c
Encryption patch follow-up
2017-10-11 16:54:48 -04:00
lz4.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
lzjb.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
Makefile.in
Distributed Spare (dRAID) Feature
2020-11-13 13:51:51 -08:00
metaslab.c
Stop ganging due to past vdev write errors
2022-11-01 12:36:25 -07:00
mmp.c
Optimize small random numbers generation
2021-09-14 12:10:17 -07:00
multilist.c
Optimize small random numbers generation
2021-09-14 12:10:17 -07:00
objlist.c
Implement Redacted Send/Receive
2019-06-19 09:48:12 -07:00
pathname.c
Replace ZFS on Linux references with OpenZFS
2020-10-08 20:10:13 -07:00
range_tree.c
Several sorted scrub optimizations
2022-07-26 10:10:37 -07:00
refcount.c
Export minimal zfs_refcount interfaces
2022-04-06 10:29:00 -07:00
rrwlock.c
Rename refcount.h to zfs_refcount.h
2020-07-29 16:35:33 -07:00
sa.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
sha256.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
skein_zfs.c
Add include files for prototypes
2020-06-18 12:21:25 -07:00
spa_boot.c
Add include files for prototypes
2020-06-18 12:21:25 -07:00
spa_checkpoint.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
spa_config.c
zed: add hotplug support for spare vdevs
2023-03-27 11:32:09 -07:00
spa_errlog.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
spa_history.c
Annotated dprintf as printf-like
2021-06-24 13:12:36 -07:00
spa_log_spacemap.c
Address warnings about possible division by zero from clangsa
2022-12-01 12:39:43 -08:00
spa_misc.c
Improve resilver ETAs
2023-04-24 12:55:07 -07:00
spa_stats.c
Remove pool io kstats
2021-06-10 10:50:16 -07:00
spa.c
Fix "Detach spare vdev in case if resilvering does not happen"
2023-04-24 09:56:13 -07:00
space_map.c
Optimize small random numbers generation
2021-09-14 12:10:17 -07:00
space_reftree.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
THIRDPARTYLICENSE.cityhash
OpenZFS 8484 - Implement aggregate sum and use for arc counters
2018-06-06 09:35:59 -07:00
THIRDPARTYLICENSE.cityhash.descrip
OpenZFS 8484 - Implement aggregate sum and use for arc counters
2018-06-06 09:35:59 -07:00
txg.c
Optimize txg_kick() process (#12274)
2022-09-21 16:12:14 -07:00
uberblock.c
MMP interval and fail_intervals in uberblock
2019-03-21 12:47:57 -07:00
unique.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
vdev_cache.c
Replace ASSERTV macro with compiler annotation
2019-12-05 12:37:00 -08:00
vdev_draid_rand.c
Distributed Spare (dRAID) Feature
2020-11-13 13:51:51 -08:00
vdev_draid.c
Improve too large physical ashift handling
2022-09-21 13:15:15 -07:00
vdev_indirect_births.c
Fixes: #8934 Large kmem_alloc
2019-07-10 15:54:49 -07:00
vdev_indirect_mapping.c
Replace ASSERTV macro with compiler annotation
2019-12-05 12:37:00 -08:00
vdev_indirect.c
module/zfs: vdev_indirect: vdev_indirect_repair: remove unused variable
2022-05-02 15:42:58 -07:00
vdev_initialize.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
vdev_label.c
Use fallthrough macro
2021-11-02 09:50:30 -07:00
vdev_mirror.c
Improve too large physical ashift handling
2022-09-21 13:15:15 -07:00
vdev_missing.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
vdev_queue.c
Avoid vq_lock drop in vdev_queue_aggregate()
2021-09-14 14:31:22 -07:00
vdev_raidz_math_aarch64_neon_common.h
FreeBSD: fix the build with Clang 11
2020-08-17 15:40:17 -07:00
vdev_raidz_math_aarch64_neon.c
Linux 5.0 compat: SIMD compatibility
2019-07-12 09:31:20 -07:00
vdev_raidz_math_aarch64_neonx2.c
vdev_raidz_math_aarch64_neonx2.c: suppress diagnostic only for GCC
2022-12-09 12:07:38 -08:00
vdev_raidz_math_avx2.c
FreeBSD: fix the build with Clang 11
2020-08-17 15:40:17 -07:00
vdev_raidz_math_avx512bw.c
Refactor ccompile.h to not include system headers
2020-07-25 20:09:50 -07:00
vdev_raidz_math_avx512f.c
FreeBSD: fix the build with Clang 11
2020-08-17 15:40:17 -07:00
vdev_raidz_math_impl.h
Distributed Spare (dRAID) Feature
2020-11-13 13:51:51 -08:00
vdev_raidz_math_powerpc_altivec_common.h
Linux ppc64le ieee128 compat: Do not redefine __asm on external headers
2023-01-19 12:50:42 -08:00
vdev_raidz_math_powerpc_altivec.c
Prefix zfs internal endian checks with _ZFS
2020-07-28 13:02:49 -07:00
vdev_raidz_math_scalar.c
Use fallthrough macro
2021-11-02 09:50:30 -07:00
vdev_raidz_math_sse2.c
FreeBSD: fix the build with Clang 11
2020-08-17 15:40:17 -07:00
vdev_raidz_math_ssse3.c
Refactor ccompile.h to not include system headers
2020-07-25 20:09:50 -07:00
vdev_raidz_math.c
Initialize parity blocks before RAID-Z reconstruction benchmarking
2021-09-14 14:32:16 -07:00
vdev_raidz.c
Improve too large physical ashift handling
2022-09-21 13:15:15 -07:00
vdev_rebuild.c
Fix sequential resilver drive failure race condition
2022-10-21 14:05:06 -07:00
vdev_removal.c
module: zfs: vdev_removal: remove unused num_indirect
2022-12-01 12:39:44 -08:00
vdev_root.c
Distributed Spare (dRAID) Feature
2020-11-13 13:51:51 -08:00
vdev_trim.c
Propagate extent_bytes change to autotrim thread
2022-11-01 12:48:23 -07:00
vdev.c
Fix "Detach spare vdev in case if resilvering does not happen"
2023-04-24 09:56:13 -07:00
zap_leaf.c
Optimize microzaps
2023-03-02 14:37:07 -08:00
zap_micro.c
Optimize microzaps
2023-03-02 14:37:07 -08:00
zap.c
Remove unneeded "extern inline" function declarations
2022-02-16 17:58:56 -08:00
zcp_get.c
Add include files for prototypes
2020-06-18 12:21:25 -07:00
zcp_global.c
OpenZFS 8600 - ZFS channel programs - snapshot
2018-02-08 15:29:24 -08:00
zcp_iter.c
Fix typos in module/zfs/
2019-09-02 17:56:41 -07:00
zcp_set.c
Support setting user properties in a channel program
2020-02-14 13:41:42 -08:00
zcp_synctask.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
zcp.c
Fix too few arguments to formatting function
2022-12-01 12:39:43 -08:00
zfeature.c
Throw const on some strings
2020-10-02 17:44:10 -07:00
zfs_byteswap.c
Mark functions as static
2020-06-18 12:20:38 -07:00
zfs_fm.c
Remove an unused variable
2022-12-01 12:39:43 -08:00
zfs_fuid.c
Fix regression in POSIX mode behavior
2021-03-19 22:50:46 -07:00
zfs_ioctl.c
zed: mark disks as REMOVED when they are removed
2023-03-27 11:32:09 -07:00
zfs_log.c
Add Module Parameter Regarding Log Size Limit
2022-09-21 16:12:14 -07:00
zfs_onexit.c
file reference counts can get corrupted
2021-09-14 12:37:38 -07:00
zfs_quota.c
File incorrectly zeroed when receiving incremental stream that toggles -L
2020-06-09 10:41:01 -07:00
zfs_ratelimit.c
Change checksum & IO delay ratelimit values
2018-03-04 17:34:51 -08:00
zfs_replay.c
Use fallthrough macro
2021-11-02 09:50:30 -07:00
zfs_rlock.c
Add a "try" operation for range locks
2020-07-06 11:53:31 -07:00
zfs_sa.c
Extending FreeBSD UIO Struct
2021-01-20 21:27:30 -08:00
zfs_vnops.c
Additional limits on hole reporting
2023-03-29 10:40:49 -07:00
zil.c
Introduce minimal ZIL block commit delay
2023-03-02 14:37:07 -08:00
zio_checksum.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
zio_compress.c
module: zfs: fix unused, remove argsused
2022-02-16 17:58:56 -08:00
zio_inject.c
Optimize small random numbers generation
2021-09-14 12:10:17 -07:00
zio.c
zed: mark disks as REMOVED when they are removed
2023-03-27 11:32:09 -07:00
zle.c
Add include files for prototypes
2020-06-18 12:21:25 -07:00
zrlock.c
Micro-optimize zrl_remove()
2023-03-02 14:37:07 -08:00
zthr.c
Avoid memory allocations in the ARC eviction thread
2022-02-03 15:30:52 -08:00
zvol.c
Add Module Parameter Regarding Log Size Limit
2022-09-21 16:12:14 -07:00