Type	Name	Status
TIDESDB		================== TidesDB Engine Status ==================\nData directory: /data/mysql-bench/tidesdb_data\nColumn families: 13\nGlobal sequence: 14304150\nMin snapshot sequence: 18446744073709551615\nActive transactions: 0\n\n=+=+= Memory =+=+=\nMemtable bytes: 0\nTransaction memory bytes: 0\n\n=+=+= Storage =+=+=\nTotal SSTables: 245\nOpen SSTable handles: 244\nTotal data size: 345461391602 bytes\nImmutable memtables: 0\n\n=+=+= Background =+=+=\nFlush pending: 0\nCompaction pending: 0\nCurrently flushing: NO\nWAL generation: 149\nNext CF index: 949\n\n=+=+= Write Amplification =+=+=\nUser bytes written: 28421442251\nFlush bytes written: 27460394208 (108 sstables)\nCompaction bytes written: 251136724725 (46 sstables)\nCompaction bytes read: 261626291148\nVlog bytes written: 0\nTotal WA ratio: 9.80x\n\n=+=+= Value Log =+=+=\nFile size: 16 bytes\nIndexed values: 0\nUsed bytes: 0\nStored bytes: 0\nLive bytes: 0\nDead bytes: 16\nSegments: 2 (drainable 0, retired 0)\nReclaim: 0 calls, 0 passes\n\n=+=+= Write Stalls =+=+=\nWrites throttled: 0\nWrites blocked: 0\nStall time: 0 us\nAdmission ceiling hits: 0\n\n=+=+= Block Cache =+=+=\nEnabled: YES\nEntries: 7042596\nSize: 64422504784 bytes\nHits: 1946229960\nMisses: 92041268\nHit rate: 95.5%\nPartitions: 128\n\n=+=+= IO Device Writes =+=+=\nsstable: 78460058 writes, 278597114253 bytes, avg 8.4 us, max 59585 us\nwal: 2959352 writes, 30158255097 bytes, avg 18.3 us, max 81867 us\nvlog: 0 writes, 0 bytes, avg 0.0 us, max 0 us\n\n=+=+= Write Stalls By Reason =+=+=\nwal_append: 9285690 stalls, 11051683894 us total, 104965 us max\nrotate_lock: 11 stalls, 3 us total, 1 us max\nrotate_work: 11 stalls, 3981 us total, 2369 us max\nadmission: 0 stalls, 0 us total, 0 us max\nmanifest_commit: 58 stalls, 22047 us total, 10522 us max\n\n=+=+= Key Log Encoding =+=+=\nChains: 1, logical 382165336835 bytes, stored 345461391602 bytes, 1.11x\n\n=+=+= Value Log Encoding =+=+=\nChains: 0, logical 0 bytes, stored 0 bytes, 0.00x\n\n=+=+= Tombstones =+=+=\nTotal tombstones: 520580\nTombstone ratio: 0.02%\nWorst SSTable density: 50.46% at level 1\n\n=+=+= Column Families =+=+=\ntpcc__customer: 3 levels, 124121337 keys (0 unflushed), 72930790532 bytes, read amp 3.00\n  avg key 13, avg value 565, btree height 3.6/4 over 17639199 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[1/105500/0/63695203] L2[21/6658585/0/3971073519] L3[21/117357252/0/68896021810]\n  WAL 2791078910 bytes, 4 compactions\ntpcc__customer__idx_c_w_id: 2 levels, 120000000 keys (0 unflushed), 5522173423 bytes, read amp 2.00\n  avg key 54, avg value 1, btree height 3.9/4 over 2738020 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[1/147000/0/6766466] L2[17/119853000/0/5515406957]\n  WAL 0 bytes, 0 compactions\ntpcc__district: 2 levels, 40001 keys (0 unflushed), 4525626 bytes, read amp 1.00\n  avg key 9, avg value 97, btree height 3.0/3 over 1406 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[0/0/0/0] L2[1/40001/0/4525626]\n  WAL 1034177896 bytes, 12 compactions\ntpcc__history: 2 levels, 124678894 keys (0 unflushed), 8250678840 bytes, read amp 6.00\n  avg key 9, avg value 53, btree height 3.7/4 over 3071394 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[5/1768767/0/115797513] L2[13/122910127/0/8134881327]\n  WAL 308848355 bytes, 1 compactions\ntpcc__item: 1 levels, 100001 keys (0 unflushed), 8912003 bytes, read amp 1.00\n  avg key 5, avg value 76, btree height 3.0/3 over 2924 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[1/100001/0/8912003]\n  WAL 0 bytes, 0 compactions\ntpcc__new_order: 2 levels, 36987497 keys (0 unflushed), 1151306457 bytes, read amp 3.00\n  avg key 13, avg value 18, btree height 2.8/3 over 637958 nodes, tombstone ratio 1.41%\n  levels [sstables/keys/tombstones/bytes]: L1[2/1037639/520580/25007936] L2[42/35949858/0/1126298521]\n  WAL 251465256 bytes, 2 compactions\ntpcc__orders: 2 levels, 127243058 keys (0 unflushed), 6526911045 bytes, read amp 8.00\n  avg key 13, avg value 38, btree height 3.7/4 over 2802072 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[7/5182157/0/271888408] L2[14/122060901/0/6255022637]\n  WAL 513335208 bytes, 1 compactions\ntpcc__orders__idx_o_w_id: 2 levels, 124638876 keys (0 unflushed), 3695097744 bytes, read amp 8.00\n  avg key 29, avg value 1, btree height 3.7/4 over 2120866 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[7/2577977/0/85763759] L2[17/122060899/0/3609333985]\n  WAL 162360660 bytes, 1 compactions\ntpcc__order_line: 3 levels, 1293401434 keys (0 unflushed), 104678815608 bytes, read amp 4.00\n  avg key 17, avg value 66, btree height 3.9/4 over 38641580 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[2/10372816/0/844973066] L2[13/82918615/0/6757772333] L3[13/1200110003/0/97076070209]\n  WAL 8164296935 bytes, 5 compactions\ntpcc__stock: 3 levels, 417193869 keys (0 unflushed), 142691766407 bytes, read amp 3.00\n  avg key 9, avg value 324, btree height 3.8/4 over 36757407 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[1/1040877/0/358269171] L2[22/16152991/0/5561908374] L3[22/400000001/0/136771588862]\n  WAL 15720683351 bytes, 8 compactions\ntpcc__warehouse: 2 levels, 4001 keys (0 unflushed), 413484 bytes, read amp 1.00\n  avg key 5, avg value 88, btree height 2.0/2 over 130 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[0/0/0/0] L2[1/4001/0/413484]\n  WAL 457930734 bytes, 12 compactions\n
