Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Reserva de búfers | Estado del InnoDB ]
===================================== 2026-04-03 11:01:04 0x8084 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 46 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 33873 srv_active, 0 srv_shutdown, 898062 srv_idle srv_master_thread log flush and writes: 931933 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 17733 OS WAIT ARRAY INFO: signal count 19825 RW-shared spins 33753, rounds 445856, OS waits 12093 RW-excl spins 30184, rounds 131347, OS waits 940 RW-sx spins 275, rounds 3981, OS waits 107 Spin rounds per wait: 13.21 RW-shared, 4.35 RW-excl, 14.48 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 1010515 Purge done for trx's n:o < 1010515 undo n:o < 0 state: running History list length 7 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 284072475791576, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284072475787408, not started 0 lock struct(s), heap size 1128, 0 row lock(s) -------- FILE I/O -------- I/O thread 0 state: native aio handle (insert buffer thread) I/O thread 1 state: native aio handle (log thread) I/O thread 2 state: native aio handle (read thread) I/O thread 3 state: native aio handle (read thread) I/O thread 4 state: native aio handle (read thread) I/O thread 5 state: native aio handle (read thread) I/O thread 6 state: native aio handle (write thread) I/O thread 7 state: native aio handle (write thread) I/O thread 8 state: native aio handle (write thread) I/O thread 9 state: native aio handle (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 387246 OS file reads, 525175 OS file writes, 288705 OS fsyncs 0.43 reads/s, 16384 avg bytes/read, 2.85 writes/s, 2.09 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 37, seg size 39, 5945 merges merged operations: insert 23577, delete mark 22259, delete 16297 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 4441, node heap has 1 buffer(s) Hash table size 4441, node heap has 1 buffer(s) Hash table size 4441, node heap has 1 buffer(s) Hash table size 4441, node heap has 1 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 1 buffer(s) Hash table size 4441, node heap has 1 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 2.50 hash searches/s, 20.43 non-hash searches/s --- LOG --- Log sequence number 627769899 Log flushed up to 627769899 Pages flushed up to 627769899 Last checkpoint at 627768613 0 pending log flushes, 0 pending chkp writes 152748 log i/o's done, 1.28 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 2453920 Buffer pool size 1003 Free buffers 740 Database pages 256 Old database pages 0 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 75.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 30820, not young 2630654 0.00 youngs/s, 0.00 non-youngs/s Pages read 386124, created 5172, written 316992 0.43 reads/s, 0.04 creates/s, 1.28 writes/s Buffer pool hit rate 987 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 256, unzip_LRU len: 0 I/O sum[76]:cur[3], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=34028, Main thread ID=38536, state: sleeping Number of rows inserted 23380, updated 69308, deleted 6310, read 19343343 0.00 inserts/s, 0.28 updates/s, 0.00 deletes/s, 2.20 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 2349542 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================