Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Reserva de búfers | Estado del InnoDB ]
===================================== 2026-02-20 22:56:40 0x3374 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 62 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2936 srv_active, 0 srv_shutdown, 28508 srv_idle srv_master_thread log flush and writes: 31444 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 2128 OS WAIT ARRAY INFO: signal count 1488 RW-shared spins 909, rounds 27219, OS waits 901 RW-excl spins 13, rounds 230, OS waits 7 RW-sx spins 0, rounds 0, OS waits 0 Spin rounds per wait: 29.94 RW-shared, 17.69 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 24737 Purge done for trx's n:o < 24737 undo n:o < 0 state: running but idle History list length 1 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283493435904216, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283493435900048, 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 9735 OS file reads, 39325 OS file writes, 21501 OS fsyncs 0.05 reads/s, 16384 avg bytes/read, 0.39 writes/s, 0.23 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 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 0 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 0 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) 0.56 hash searches/s, 1.10 non-hash searches/s --- LOG --- Log sequence number 13319870 Log flushed up to 13319870 Pages flushed up to 13319870 Last checkpoint at 13319861 0 pending log flushes, 0 pending chkp writes 11388 log i/o's done, 0.15 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 95152 Buffer pool size 1003 Free buffers 744 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 0, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 9693, created 293, written 24002 0.05 reads/s, 0.00 creates/s, 0.21 writes/s Buffer pool hit rate 989 / 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[4]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=4084, Main thread ID=5924, state: sleeping Number of rows inserted 1, updated 6432, deleted 0, read 204452 0.00 inserts/s, 0.02 updates/s, 0.00 deletes/s, 0.56 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 9220 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================