Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- root@nxla2:~# ./arc_summary.pl
- System Memory:
- Physical RAM: 49131 MB
- Free Memory : 37840 MB
- LotsFree: 767 MB
- ZFS Tunables (/etc/system):
- ARC Size:
- Current Size: 6625 MB (arcsize)
- Target Size (Adaptive): 48107 MB (c)
- Min Size (Hard Limit): 6013 MB (zfs_arc_min)
- Max Size (Hard Limit): 48107 MB (zfs_arc_max)
- ARC Size Breakdown:
- Most Recently Used Cache Size: 45% 22069 MB (p)
- Most Frequently Used Cache Size: 54% 26037 MB (c-p)
- ARC Efficency:
- Cache Access Total: 117855452
- Cache Hit Ratio: 98% 116150577 [Defined State for buffer]
- Cache Miss Ratio: 1% 1704875 [Undefined State for Buffer]
- REAL Hit Ratio: 63% 74742252 [MRU/MFU Hits Only]
- Data Demand Efficiency: 11%
- Data Prefetch Efficiency: 1%
- CACHE HITS BY CACHE LIST:
- Anon: 35% 40825031 [ New Customer, First Cache Hit ]
- Most Recently Used: 0% 454848 (mru) [ Return Customer ]
- Most Frequently Used: 63% 74287404 (mfu) [ Frequent Customer ]
- Most Recently Used Ghost: 0% 451938 (mru_ghost) [ Return Customer Evicted, Now Back ]
- Most Frequently Used Ghost: 0% 131356 (mfu_ghost) [ Frequent Customer Evicted, Now Back ]
- CACHE HITS BY DATA TYPE:
- Demand Data: 0% 174467
- Prefetch Data: 0% 3
- Demand Metadata: 64% 74567780
- Prefetch Metadata: 35% 41408327
- CACHE MISSES BY DATA TYPE:
- Demand Data: 76% 1302052
- Prefetch Data: 0% 242
- Demand Metadata: 19% 325738
- Prefetch Metadata: 4% 76843
- ---------------------------------------------
- root@nxla2:~# echo ::arc | mdb -k
- hits = 116217199
- misses = 1704878
- demand_data_hits = 174863
- demand_data_misses = 1302052
- demand_metadata_hits = 74613318
- demand_metadata_misses = 325741
- prefetch_data_hits = 3
- prefetch_data_misses = 242
- prefetch_metadata_hits = 41429015
- prefetch_metadata_misses = 76843
- mru_hits = 454971
- mru_ghost_hits = 451938
- mfu_hits = 74333215
- mfu_ghost_hits = 131356
- deleted = 16
- recycle_miss = 0
- mutex_miss = 0
- evict_skip = 3999
- evict_l2_cached = 0
- evict_l2_eligible = 0
- evict_l2_ineligible = 4096
- hash_elements = 3759549
- hash_elements_max = 3759549
- hash_collisions = 3311407
- hash_chains = 914684
- hash_chain_max = 16
- p = 22069 MB
- c = 48107 MB
- c_min = 6013 MB
- c_max = 48107 MB
- size = 6621 MB
- hdr_size = 701718640
- data_size = 5609065472
- other_size = 632206736
- l2_hits = 1746
- l2_misses = 1698508
- l2_feeds = 25840
- l2_rw_clash = 0
- l2_read_bytes = 7146496
- l2_write_bytes = 3457605632
- l2_writes_sent = 11179
- l2_writes_done = 11179
- l2_writes_error = 1
- l2_writes_hdr_miss = 14
- l2_evict_lock_retry = 0
- l2_evict_reading = 0
- l2_free_on_write = 15
- l2_abort_lowmem = 0
- l2_cksum_bad = 0
- l2_io_error = 0
- l2_size = 2962274304
- l2_hdr_size = 0
- memory_throttle_count = 0
- arc_no_grow = 0
- arc_tempreserve = 0 MB
- arc_meta_used = 5968 MB
- arc_meta_limit = 12026 MB
- arc_meta_max = 5969 MB
Add Comment
Please, Sign In to add comment
