Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Reserva de búfers | Estado del InnoDB ]
===================================== 2025-11-17 22:44:18 0x7f2d6404d700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 61 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 18246 srv_active, 0 srv_shutdown, 21806 srv_idle srv_master_thread log flush and writes: 40049 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 53215 OS WAIT ARRAY INFO: signal count 48276 RW-shared spins 0, rounds 27662, OS waits 13727 RW-excl spins 0, rounds 5785, OS waits 203 RW-sx spins 4, rounds 120, OS waits 4 Spin rounds per wait: 27662.00 RW-shared, 5785.00 RW-excl, 30.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 116795 Purge done for trx's n:o < 116795 undo n:o < 0 state: running but idle History list length 10 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421307922002424, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421307921998168, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421307921993912, 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: 0 866 OS file reads, 264746 OS file writes, 136891 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 3.61 writes/s, 2.30 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 69257, node heap has 1 buffer(s) Hash table size 69257, node heap has 10 buffer(s) Hash table size 69257, node heap has 2 buffer(s) Hash table size 69257, node heap has 25 buffer(s) Hash table size 69257, node heap has 1 buffer(s) Hash table size 69257, node heap has 3 buffer(s) Hash table size 69257, node heap has 26 buffer(s) Hash table size 69257, node heap has 0 buffer(s) 1.00 hash searches/s, 0.97 non-hash searches/s --- LOG --- Log sequence number 61779857 Log flushed up to 61779742 Pages flushed up to 61778330 Last checkpoint at 61778321 0 pending log flushes, 0 pending chkp writes 84672 log i/o's done, 1.51 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 285212672 Dictionary memory allocated 133600 Buffer pool size 16024 Free buffers 15068 Database pages 888 Old database pages 331 Modified db pages 3 Percent of dirty pages(LRU & free pages): 0.019 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 707, created 181, written 160401 0.00 reads/s, 0.00 creates/s, 1.84 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: 888, 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=900, Main thread ID=139832181384960, state: sleeping Number of rows inserted 2, updated 38255, deleted 0, read 4899355 0.00 inserts/s, 0.39 updates/s, 0.00 deletes/s, 0.79 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 12732 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================
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