Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, and foreign keys
[ Variables | Reserva de búfers | Estado del InnoDB ]
===================================== 2026-02-12 19:03:01 0x7f3f49496700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 12 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 15 srv_active, 0 srv_shutdown, 118 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 48 OS WAIT ARRAY INFO: signal count 52 RW-shared spins 14, rounds 19, OS waits 5 RW-excl spins 2, rounds 65, OS waits 7 RW-sx spins 0, rounds 0, OS waits 0 Spin rounds per wait: 1.36 RW-shared, 32.50 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 9897 Purge done for trx's n:o < 9897 undo n:o < 0 state: running but idle History list length 33 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421385834781288, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421385834780416, not started 0 lock struct(s), heap size 1136, 0 row lock(s) -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (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 1375 OS file reads, 685 OS file writes, 223 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 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 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 0 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 0 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 7 buffer(s) 4581.53 hash searches/s, 3727.44 non-hash searches/s --- LOG --- Log sequence number 50982355 Log buffer assigned up to 50982355 Log buffer completed up to 50982355 Log written up to 50982355 Log flushed up to 50982355 Added dirty pages up to 50982355 Pages flushed up to 50982355 Last checkpoint at 50982355 174 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 631799 Buffer pool size 8192 Free buffers 6804 Database pages 1373 Old database pages 511 Modified db pages 0 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 286, not young 1935 0.00 youngs/s, 0.00 non-youngs/s Pages read 1228, created 151, written 444 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 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: 1373, unzip_LRU len: 0 I/O sum[0]: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=368, Main thread ID=139910348728064 , state=sleeping Number of rows inserted 146, updated 375, deleted 0, read 1497414 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 5699.36 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================
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