Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Reserva de búfers | Estado del InnoDB ]
===================================== 2026-09-27 11:12:49 0x4528 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 25 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1998 srv_active, 0 srv_shutdown, 3564 srv_idle srv_master_thread log flush and writes: 5562 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 5120 OS WAIT ARRAY INFO: signal count 1504 RW-shared spins 556, rounds 15870, OS waits 523 RW-excl spins 179, rounds 1446, OS waits 30 RW-sx spins 0, rounds 0, OS waits 0 Spin rounds per wait: 28.54 RW-shared, 8.08 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 9687 Purge done for trx's n:o < 9687 undo n:o < 0 state: running History list length 1 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283576757805200, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283576757826040, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283576757813536, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283576757821872, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283576757817704, 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 9175 OS file reads, 25274 OS file writes, 13851 OS fsyncs 5.28 reads/s, 16384 avg bytes/read, 9.84 writes/s, 6.52 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 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) 14.20 hash searches/s, 33.56 non-hash searches/s --- LOG --- Log sequence number 6037118 Log flushed up to 6037098 Pages flushed up to 5992176 Last checkpoint at 5992176 0 pending log flushes, 0 pending chkp writes 7270 log i/o's done, 4.04 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 172776 Buffer pool size 1003 Free buffers 730 Database pages 269 Old database pages 0 Modified db pages 78 Percent of dirty pages(LRU & free pages): 7.800 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 9102, created 218, written 15395 5.28 reads/s, 0.04 creates/s, 4.76 writes/s Buffer pool hit rate 962 / 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: 269, unzip_LRU len: 0 I/O sum[490]:cur[14], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=11296, Main thread ID=1772, state: sleeping Number of rows inserted 24, updated 4136, deleted 5, read 35864 0.00 inserts/s, 2.64 updates/s, 0.00 deletes/s, 27.88 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 12964 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================