Type	Name	Status
TIDESDB		================== TidesDB Engine Status ==================\nData directory: /data/mysql-bench/tidesdb_data\nColumn families: 13\nGlobal sequence: 9879117\nMin snapshot sequence: 18446744073709551615\nActive transactions: 0\n\n=+=+= Memory =+=+=\nMemtable bytes: 687342880\nTransaction memory bytes: 0\n\n=+=+= Storage =+=+=\nTotal SSTables: 232\nOpen SSTable handles: 231\nTotal data size: 342383399645 bytes\nImmutable memtables: 0\n\n=+=+= Background =+=+=\nFlush pending: 0\nCompaction pending: 0\nCurrently flushing: NO\nWAL generation: 143\nNext CF index: 920\n\n=+=+= Write Amplification =+=+=\nUser bytes written: 15558059453\nFlush bytes written: 14655933585 (54 sstables)\nCompaction bytes written: 80010169022 (26 sstables)\nCompaction bytes read: 80773266779\nVlog bytes written: 0\nTotal WA ratio: 6.08x\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: 7033578\nSize: 64422309445 bytes\nHits: 965204043\nMisses: 53001635\nHit rate: 94.8%\nPartitions: 128\n\n=+=+= IO Device Writes =+=+=\nsstable: 28195345 writes, 94666099791 bytes, avg 4.2 us, max 4771 us\nwal: 5287396 writes, 16508415126 bytes, avg 4.4 us, max 3223 us\nvlog: 0 writes, 0 bytes, avg 0.0 us, max 0 us\n\n=+=+= Write Stalls By Reason =+=+=\nwal_append: 5335608 stalls, 15518789 us total, 4425 us max\nrotate_lock: 6 stalls, 2 us total, 1 us max\nrotate_work: 6 stalls, 59 us total, 12 us max\nadmission: 0 stalls, 0 us total, 0 us max\nmanifest_commit: 32 stalls, 2172 us total, 529 us max\n\n=+=+= Key Log Encoding =+=+=\nChains: 1, logical 378346593974 bytes, stored 342383399645 bytes, 1.11x\n\n=+=+= Value Log Encoding =+=+=\nChains: 0, logical 0 bytes, stored 0 bytes, 0.00x\n\n=+=+= Tombstones =+=+=\nTotal tombstones: 830100\nTombstone ratio: 0.04%\nWorst SSTable density: 50.18% at level 1\n\n=+=+= Column Families =+=+=\ntpcc__customer: 3 levels, 122344491 keys (66288 unflushed), 71859547680 bytes, read amp 3.00\n  avg key 13, avg value 565, btree height 3.5/4 over 17384523 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[1/412016/0/248220089] L2[21/4575223/0/2715305781] L3[21/117357252/0/68896021810]\n  WAL 1530068521 bytes, 2 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 (38503 unflushed), 4525661 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[1/40001/0/4525661]\n  WAL 566711441 bytes, 6 compactions\ntpcc__history: 2 levels, 122499812 keys (66431 unflushed), 8108011233 bytes, read amp 8.00\n  avg key 9, avg value 53, btree height 3.6/4 over 3018039 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[7/2646811/0/173387884] L2[13/119853001/0/7934623349]\n  WAL 169386149 bytes, 0 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, 37641342 keys (132244 unflushed), 1160487138 bytes, read amp 3.00\n  avg key 13, avg value 18, btree height 2.8/3 over 647887 nodes, tombstone ratio 2.21%\n  levels [sstables/keys/tombstones/bytes]: L1[2/1654931/830100/39664109] L2[42/35986411/0/1120823029]\n  WAL 137521800 bytes, 1 compactions\ntpcc__orders: 2 levels, 122889363 keys (132244 unflushed), 6298675821 bytes, read amp 2.00\n  avg key 13, avg value 38, btree height 3.9/4 over 2707033 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[1/827472/0/43387320] L2[14/122061891/0/6255288501]\n  WAL 280547225 bytes, 1 compactions\ntpcc__orders__idx_o_w_id: 2 levels, 122474511 keys (65464 unflushed), 3623034076 bytes, read amp 2.00\n  avg key 29, avg value 1, btree height 3.9/4 over 2084025 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[1/412622/0/13706840] L2[17/122061889/0/3609327236]\n  WAL 88899125 bytes, 1 compactions\ntpcc__order_line: 3 levels, 1249776998 keys (1323058 unflushed), 101124777454 bytes, read amp 2.00\n  avg key 17, avg value 66, btree height 4.0/4 over 37351933 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[0/0/0/0] L2[13/49666995/0/4048707245] L3[13/1200110003/0/97076070209]\n  WAL 4462090490 bytes, 3 compactions\ntpcc__stock: 3 levels, 423176196 keys (655318 unflushed), 144672841289 bytes, read amp 2.00\n  avg key 9, avg value 324, btree height 3.9/4 over 37284622 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[0/0/0/0] L2[22/36821195/0/12647198841] L3[22/386355001/0/132025642448]\n  WAL 8609233323 bytes, 6 compactions\ntpcc__warehouse: 2 levels, 4001 keys (4000 unflushed), 413434 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[1/4001/0/413434]\n  WAL 251260862 bytes, 6 compactions\n
