echo "::zfs_params" |mdb -k
arc_reduce_dnlc_percent = 0x3zfs_arc_max = 0x0zfs_arc_min = 0x0arc_shrink_shift = 0x5zfs_mdcomp_disable = 0x0zfs_prefetch_disable = 0x0zfetch_max_streams = 0x8zfetch_min_sec_reap = 0x2zfetch_block_cap = 0x100zfetch_array_rd_sz = 0x100000zfs_default_bs = 0x9zfs_default_ibs = 0xemetaslab_aliquot = 0x80000mdb: variable reference_tracking_enable not found: unknown symbol namemdb: variable reference_history not found: unknown symbol namespa_max_replication_override = 0x3spa_mode_global = 0x3zfs_flags = 0x0mdb: variable zfs_txg_synctime not found: unknown symbol namezfs_txg_timeout = 0x1ezfs_write_limit_min = 0x2000000zfs_write_limit_max = 0x5fe47e00zfs_write_limit_shift = 0x3zfs_write_limit_override = 0x0zfs_no_write_throttle = 0x0zfs_vdev_cache_max = 0x4000zfs_vdev_cache_size = 0x0zfs_vdev_cache_bshift = 0x10vdev_mirror_shift = 0x15zfs_vdev_max_pending = 0x1zfs_vdev_min_pending = 0x4zfs_scrub_limit = 0x1zfs_no_scrub_io = 0x0zfs_no_scrub_prefetch = 0x0zfs_vdev_time_shift = 0x6zfs_vdev_ramp_rate = 0x2zfs_vdev_aggregation_limit = 0x20000fzap_default_block_shift = 0xezfs_immediate_write_sz = 0x8000zfs_read_chunk_size = 0x100000zfs_nocacheflush = 0x1zil_replay_disable = 0x0metaslab_gang_bang = 0x20001metaslab_df_alloc_threshold = 0x20000metaslab_df_free_pct = 0x4zio_injection_enabled = 0x0zvol_immediate_write_sz = 0x8000
echo ::arc | mdb -k
hits = 2,892Mmisses = 85Mdemand_data_hits = 716Mdemand_data_misses = 12Mdemand_metadata_hits = 1,968Mdemand_metadata_misses = 19Mprefetch_data_hits = 51Mprefetch_data_misses = 22Mprefetch_metadata_hits = 155Mprefetch_metadata_misses = 29Mmru_hits = 408Mmru_ghost_hits = 1Mmfu_hits = 2,283Mmfu_ghost_hits = 52Mdeleted = 46Mrecycle_miss = 8Mmutex_miss = 119Kevict_skip = 27Mevict_l2_cached = 2.2Tevict_l2_eligible = 1.7Tevict_l2_ineligible = 1.9Thash_elements = 1Mhash_elements_max = 1Mhash_collisions = 550Mhash_chains = 243Khash_chain_max = 21p = 6,127 MBc = 8,934 MBc_min = 1,406 MBc_max = 11,250 MBsize = 8,934 MBhdr_size = 170Mdata_size = 9,131Mother_size = 33Ml2_hits = 19Ml2_misses = 65Ml2_feeds = 4Ml2_rw_clash = 827l2_read_bytes = 474Gl2_write_bytes = 1.5Tl2_writes_sent = 1Ml2_writes_done = 1Ml2_writes_error = 0l2_writes_hdr_miss = 1Kl2_evict_lock_retry = 162l2_evict_reading = 107l2_free_on_write = 3Ml2_abort_lowmem = 230l2_cksum_bad = 0l2_io_error = 0l2_size = 26Gl2_hdr_size = 35Mmemory_throttle_count = 0arc_no_grow = 0arc_tempreserve = 0 MBarc_meta_used = 2,812 MBarc_meta_limit = 2,812 MBarc_meta_max = 2,921 MB
set zfs:zfs_arc_meta_limit = c_max未満(byte)
echo "zfs_arc_meta_limit/Z 0x20F580000" | mdb -kwecho "arc_meta_limit/Z 0x20F580000" | mdb -kwecho "arc_meta_max/Z 0x20F580000" | mdb -kw
arc_meta_limit = 8,437 MBarc_meta_max = 8,437 MB