Type	Name	Status
TIDESDB		================== TidesDB Engine Status ==================\nData directory: /data/mysql-bench/tidesdb_data\nColumn families: 13\nGlobal sequence: 14274315\nMin snapshot sequence: 18446744073709551615\nActive transactions: 0\n\n=+=+= Memory =+=+=\nMemtable bytes: 0\nTransaction memory bytes: 0\n\n=+=+= Storage =+=+=\nTotal SSTables: 250\nOpen SSTable handles: 268\nTotal data size: 354707906380 bytes\nImmutable memtables: 0\n\n=+=+= Background =+=+=\nFlush pending: 0\nCompaction pending: 0\nCurrently flushing: NO\nWAL generation: 149\nNext CF index: 961\n\n=+=+= Write Amplification =+=+=\nUser bytes written: 28347705710\nFlush bytes written: 27331326902 (108 sstables)\nCompaction bytes written: 108487640173 (44 sstables)\nCompaction bytes read: 109601624512\nVlog bytes written: 0\nTotal WA ratio: 4.79x\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: 7043587\nSize: 64422974991 bytes\nHits: 1913153080\nMisses: 87623414\nHit rate: 95.6%\nPartitions: 128\n\n=+=+= IO Device Writes =+=+=\nsstable: 75655261 writes, 267611231455 bytes, avg 9.2 us, max 85674 us\nwal: 2797111 writes, 30079683145 bytes, avg 19.6 us, max 110790 us\nvlog: 0 writes, 0 bytes, avg 0.0 us, max 0 us\n\n=+=+= Write Stalls By Reason =+=+=\nwal_append: 9224096 stalls, 12630947737 us total, 172502 us max\nrotate_lock: 11 stalls, 4 us total, 1 us max\nrotate_work: 11 stalls, 1798 us total, 1646 us max\nadmission: 0 stalls, 0 us total, 0 us max\nmanifest_commit: 56 stalls, 14761 us total, 2009 us max\n\n=+=+= Key Log Encoding =+=+=\nChains: 1, logical 391626073433 bytes, stored 354707906380 bytes, 1.10x\n\n=+=+= Value Log Encoding =+=+=\nChains: 0, logical 0 bytes, stored 0 bytes, 0.00x\n\n=+=+= Tombstones =+=+=\nTotal tombstones: 507870\nTombstone ratio: 0.02%\nWorst SSTable density: 50.21% at level 1\n\n=+=+= Column Families =+=+=\ntpcc__customer: 3 levels, 124089975 keys (0 unflushed), 72911833411 bytes, read amp 3.00\n  avg key 13, avg value 565, btree height 3.6/4 over 17634690 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[1/91143/0/55023867] L2[21/6641580/0/3960787734] L3[21/117357252/0/68896021810]\n  WAL 2780775316 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), 4525609 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[1/40001/0/4525609]\n  WAL 1031015942 bytes, 12 compactions\ntpcc__history: 2 levels, 124661044 keys (0 unflushed), 8249689791 bytes, read amp 6.00\n  avg key 9, avg value 53, btree height 3.7/4 over 3070955 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[5/1752148/0/114772371] L2[13/122908896/0/8134917420]\n  WAL 307694458 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, 36968502 keys (0 unflushed), 1150665735 bytes, read amp 3.00\n  avg key 13, avg value 18, btree height 2.8/3 over 637684 nodes, tombstone ratio 1.37%\n  levels [sstables/keys/tombstones/bytes]: L1[2/1011740/507870/24367403] L2[42/35956762/0/1126298332]\n  WAL 250794216 bytes, 2 compactions\ntpcc__orders: 2 levels, 127222463 keys (0 unflushed), 6525259210 bytes, read amp 8.00\n  avg key 13, avg value 38, btree height 3.7/4 over 2801619 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[7/5158968/0/270653954] L2[14/122063495/0/6254605256]\n  WAL 511837633 bytes, 1 compactions\ntpcc__orders__idx_o_w_id: 2 levels, 124628591 keys (0 unflushed), 3694732902 bytes, read amp 8.00\n  avg key 29, avg value 1, btree height 3.7/4 over 2120691 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[7/2565098/0/85307105] L2[17/122063493/0/3609425797]\n  WAL 162000685 bytes, 1 compactions\ntpcc__order_line: 3 levels, 1293133534 keys (0 unflushed), 104655142179 bytes, read amp 4.00\n  avg key 17, avg value 66, btree height 3.9/4 over 38633597 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[2/10110014/0/823523602] L2[13/82913517/0/6755548368] L3[13/1200110003/0/97076070209]\n  WAL 8140685280 bytes, 5 compactions\ntpcc__stock: 3 levels, 444449392 keys (0 unflushed), 151984558203 bytes, read amp 8.00\n  avg key 9, avg value 324, btree height 3.9/4 over 39159068 nodes, tombstone ratio 0.00%\n  levels [sstables/keys/tombstones/bytes]: L1[6/21407403/0/7363304670] L2[22/36686988/0/12595611085] L3[22/386355001/0/132025642448]\n  WAL 15686951964 bytes, 6 compactions\ntpcc__warehouse: 2 levels, 4001 keys (0 unflushed), 413481 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[1/4001/0/413481]\n  WAL 455998906 bytes, 12 compactions\n
