Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Reserva de búfers | Estado del InnoDB ]
===================================== 2026-01-29 22:08:08 0x13e4 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 3 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 459 srv_active, 0 srv_shutdown, 473717 srv_idle srv_master_thread log flush and writes: 474175 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 8918 OS WAIT ARRAY INFO: signal count 2205 RW-shared spins 429, rounds 12798, OS waits 426 RW-excl spins 29, rounds 879, OS waits 25 RW-sx spins 0, rounds 0, OS waits 0 Spin rounds per wait: 29.83 RW-shared, 30.31 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 125399 Purge done for trx's n:o < 125399 undo n:o < 0 state: running History list length 8 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 282452009627864, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 282452009623696, 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 2372 OS file reads, 4609 OS file writes, 2817 OS fsyncs 1 pending reads, 0 pending writes 2.33 reads/s, 16384 avg bytes/read, 6.33 writes/s, 4.33 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 11 merges merged operations: insert 11, 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 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 0 buffer(s) Hash table size 4441, node heap has 1 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 6.00 hash searches/s, 21.66 non-hash searches/s --- LOG --- Log sequence number 73489986 Log flushed up to 73489882 Pages flushed up to 73489882 Last checkpoint at 73485139 0 pending log flushes, 0 pending chkp writes 1656 log i/o's done, 2.33 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 197816 Buffer pool size 1003 Free buffers 741 Database pages 257 Old database pages 0 Modified db pages 4 Percent of dirty pages(LRU & free pages): 0.400 Max dirty pages percent: 75.000 Pending reads 1 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2, not young 145 0.00 youngs/s, 0.00 non-youngs/s Pages read 2288, created 144, written 2551 2.00 reads/s, 0.00 creates/s, 3.33 writes/s Buffer pool hit rate 975 / 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: 257, unzip_LRU len: 0 I/O sum[198]: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=2344, Main thread ID=2964, state: sleeping Number of rows inserted 100, updated 310, deleted 0, read 565256 0.00 inserts/s, 1.33 updates/s, 0.00 deletes/s, 6.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 2569 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================