Type	Name	Status
TIDESDB		================== TidesDB Engine Status ==================\nData directory: /data/mysql-bench/tidesdb_data\nColumn families: 13\nGlobal sequence: 14351085\nMin snapshot sequence: 18446744073709551615\nActive transactions: 0\n\n=+=+= Memory =+=+=\nMemtable bytes: 1341475392\nTransaction memory bytes: 0\n\n=+=+= Storage =+=+=\nTotal SSTables: 238\nOpen SSTable handles: 237\nTotal data size: 344845051317 bytes\nImmutable memtables: 0\n\n=+=+= Background =+=+=\nFlush pending: 0\nCompaction pending: 0\nCurrently flushing: NO\nWAL generation: 148\nNext CF index: 940\n\n=+=+= Write Amplification =+=+=\nUser bytes written: 28562436862\nFlush bytes written: 26852738598 (99 sstables)\nCompaction bytes written: 255278959075 (45 sstables)\nCompaction bytes read: 265777210173\nVlog bytes written: 0\nTotal WA ratio: 9.88x\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: 6821202\nSize: 64418683889 bytes\nHits: 1947902972\nMisses: 94586516\nHit rate: 95.4%\nPartitions: 128\n\n=+=+= IO Device Writes =+=+=\nsstable: 79338802 writes, 282131692905 bytes, avg 7.9 us, max 61986 us\nwal: 3045134 writes, 30308132804 bytes, avg 18.2 us, max 54622 us\nvlog: 0 writes, 0 bytes, avg 0.0 us, max 0 us\n\n=+=+= Write Stalls By Reason =+=+=\nwal_append: 9354203 stalls, 10268640236 us total, 80516 us max\nrotate_lock: 11 stalls, 4 us total, 1 us max\nrotate_work: 11 stalls, 768 us total, 590 us max\nadmission: 0 stalls, 0 us total, 0 us max\nmanifest_commit: 56 stalls, 62917 us total, 48114 us max\n\n=+=+= Key Log Encoding =+=+=\nChains: 1, logical 381499071131 bytes, stored 344845051317 bytes, 1.11x\n\n=+=+= Value Log Encoding =+=+=\nChains: 0, logical 0 bytes, stored 0 bytes, 0.00x\n\n=+=+= Tombstones =+=+=\nTotal tombstones: 416200\nTombstone ratio: 0.02%\nWorst SSTable density: 50.23% at level 1\n\n=+=+= Column Families =+=+=\ntpcc__customer: 3 levels, 124018146 keys (128573 unflushed), 72868633118 bytes, read amp 2.00\n  avg key 13, avg value 565, btree height 3.6/4 over 17624403 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[0/0/0/0] L2[21/6660894/0/3972611308] L3[21/117357252/0/68896021810]\n  WAL 2804748410 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 (39880 unflushed), 4525630 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[1/40001/0/4525630]\n  WAL 1038981391 bytes, 11 compactions\ntpcc__history: 2 levels, 124572688 keys (129087 unflushed), 8243694154 bytes, read amp 5.00\n  avg key 9, avg value 53, btree height 3.7/4 over 3068792 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[4/1662544/0/108835115] L2[13/122910144/0/8134859039]\n  WAL 310351062 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, 36771760 keys (258525 unflushed), 1145989428 bytes, read amp 2.00\n  avg key 13, avg value 18, btree height 2.8/3 over 634692 nodes, tombstone ratio 1.13%\n  levels [sstables/keys/tombstones/bytes]: L1[1/828655/416200/19849249] L2[42/35943105/0/1126140179]\n  WAL 252757044 bytes, 2 compactions\ntpcc__orders: 2 levels, 127031621 keys (258525 unflushed), 6515925229 bytes, read amp 7.00\n  avg key 13, avg value 38, btree height 3.7/4 over 2797463 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[6/4973145/0/260796068] L2[14/122058476/0/6255129161]\n  WAL 516143772 bytes, 1 compactions\ntpcc__orders__idx_o_w_id: 2 levels, 124531499 keys (128395 unflushed), 3691376824 bytes, read amp 7.00\n  avg key 29, avg value 1, btree height 3.7/4 over 2119036 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[6/2473025/0/82144371] L2[17/122058474/0/3609232453]\n  WAL 163096290 bytes, 1 compactions\ntpcc__order_line: 3 levels, 1291328776 keys (2586073 unflushed), 104510952463 bytes, read amp 3.00\n  avg key 17, avg value 66, btree height 4.0/4 over 38580366 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[1/8283741/0/674882042] L2[13/82935032/0/6760000212] L3[13/1200110003/0/97076070209]\n  WAL 8209414960 bytes, 5 compactions\ntpcc__stock: 3 levels, 416149533 keys (1282935 unflushed), 142332455148 bytes, read amp 2.00\n  avg key 9, avg value 324, btree height 3.8/4 over 36665491 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[0/0/0/0] L2[22/16149532/0/5560740104] L3[22/400000001/0/136771715044]\n  WAL 15794549360 bytes, 9 compactions\ntpcc__warehouse: 2 levels, 4001 keys (4000 unflushed), 413464 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[1/4001/0/413464]\n  WAL 460202053 bytes, 11 compactions\n
