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Has the same thing happened to anyone?

Thanks

Hi JorgeB thanks you much. I do it, but nothing change root@nas:~# cat /proc/spl/kstat/zfs/arcstats | grep c_max c_max 4 4294967296 root@nas:~# cat /boot/config/modprobe.d/zfs.conf options zfs zfs_arc_max=16765034496 A mouth ago i change hw cpu + ram + mainboard. In previous installation i have only 16GB of ram, this can be a cause of this issue? Thank a lot

# cat /proc/spl/kstat/zfs/arcstats 9 1 0x01 147 39984 45684676983 20996214794129 name type data hits 4 42317170 iohits 4 340585 misses 4 176817 demand_data_hits 4 401020 demand_data_iohits 4 60 demand_data_misses 4 26921 demand_metadata_hits 4 40365889 demand_metadata_iohits 4 2061 demand_metadata_misses 4 46150 prefetch_data_hits 4 1174 prefetch_data_iohits 4 0 prefetch_data_misses 4 61771 prefetch_metadata_hits 4 1549087 prefetch_metadata_iohits 4 338464 prefetch_metadata_misses 4 41975 mru_hits 4 6427524 mru_ghost_hits 4 721 mfu_hits 4 35889646 mfu_ghost_hits 4 35 uncached_hits 4 0 deleted 4 221012 mutex_miss 4 17 access_skip 4 1 evict_skip 4 299 evict_not_enough 4 0 evict_l2_cached 4 16896 evict_l2_eligible 4 24849458688 evict_l2_eligible_mfu 4 159492608 evict_l2_eligible_mru 4 24689966080 evict_l2_ineligible 4 139730944 evict_l2_skip 4 0 hash_elements 4 558999 hash_elements_max 4 606801 hash_collisions 4 26297 hash_chains 4 9079 hash_chain_max 4 3 meta 4 1061209293 pd 4 2301035309 pm 4 2147291658 c 4 4294967296 c_min 4 4216201088 c_max 4 4294967296 size 4 4291546408 compressed_size 4 2781537280 uncompressed_size 4 4385543680 overhead_size 4 604737024 hdr_size 4 29631008 data_size 4 2619246080 metadata_size 4 767028224 dbuf_size 4 154667912 dnode_size 4 364922304 bonus_size 4 303401152 anon_size 4 3080192 anon_data 4 184320 anon_metadata 4 2895872 anon_evictable_data 4 0 anon_evictable_metadata 4 0 mru_size 4 2415815168 mru_data 4 2233806848 mru_metadata 4 182008320 mru_evictable_data 4 2021756416 mru_evictable_metadata 4 62842368 mru_ghost_size 4 570032128 mru_ghost_data 4 570032128 mru_ghost_metadata 4 0 mru_ghost_evictable_data 4 570032128 mru_ghost_evictable_metadata 4 0 mfu_size 4 967378944 mfu_data 4 385254912 mfu_metadata 4 582124032 mfu_evictable_data 4 383292928 mfu_evictable_metadata 4 94414336 mfu_ghost_size 4 158458880 mfu_ghost_data 4 0 mfu_ghost_metadata 4 158458880 mfu_ghost_evictable_data 4 0 mfu_ghost_evictable_metadata 4 158458880 uncached_size 4 0 uncached_data 4 0 uncached_metadata 4 0 uncached_evictable_data 4 0 uncached_evictable_metadata 4 0 l2_hits 4 98 l2_misses 4 249 l2_prefetch_asize 4 7393280 l2_mru_asize 4 52287053824 l2_mfu_asize 4 1555562496 l2_bufc_data_asize 4 53663244288 l2_bufc_metadata_asize 4 186765312 l2_feeds 4 20377 l2_rw_clash 4 0 l2_read_bytes 4 521216 l2_write_bytes 4 1426432 l2_writes_sent 4 52 l2_writes_done 4 52 l2_writes_error 4 0 l2_writes_lock_retry 4 0 l2_evict_lock_retry 4 0 l2_evict_reading 4 0 l2_evict_l1cached 4 0 l2_free_on_write 4 0 l2_abort_lowmem 4 0 l2_cksum_bad 4 0 l2_io_error 4 0 l2_size 4 54477099008 l2_asize 4 53834371072 l2_hdr_size 4 42177792 l2_log_blk_writes 4 0 l2_log_blk_avg_asize 4 20255 l2_log_blk_asize 4 5357568 l2_log_blk_count 4 430 l2_data_to_meta_ratio 4 632 l2_rebuild_success 4 1 l2_rebuild_unsupported 4 0 l2_rebuild_io_errors 4 0 l2_rebuild_dh_errors 4 0 l2_rebuild_cksum_lb_errors 4 0 l2_rebuild_lowmem 4 0 l2_rebuild_size 4 54472592896 l2_rebuild_asize 4 53849157632 l2_rebuild_bufs 4 439460 l2_rebuild_bufs_precached 4 11 l2_rebuild_log_blks 4 430 memory_throttle_count 4 0 memory_direct_count 4 0 memory_indirect_count 4 0 memory_all_bytes 4 134918434816 memory_free_bytes 4 121582100480 memory_available_bytes 3 117013295232 arc_no_grow 4 0 arc_tempreserve 4 0 arc_loaned_bytes 4 0 arc_prune 4 28 arc_meta_used 4 1661828392 arc_dnode_limit 4 429496729 async_upgrade_sync 4 186 predictive_prefetch 4 1987368 demand_hit_predictive_prefetch 4 145745 demand_iohit_predictive_prefetch 4 1340 prescient_prefetch 4 5103 demand_hit_prescient_prefetch 4 4682 demand_iohit_prescient_prefetch 4 421 arc_need_free 4 0 arc_sys_free 4 4568805248 arc_raw_size 4 0 cached_only_in_progress 4 0 abd_chunk_waste_size 4 10471936

Hi to all, i have a problem, i want expand ZFS ARC Cache on my system but every change not receipt after boot I have 128GB but # cat /proc/spl/kstat/zfs/arcstats | grep c_max c_max 4 4294967296 my configuration is # cat /boot/config/modprobe.d/zfs.conf options zfs zfs_arc_max=17179869184 Can you help me? thanks a lot