控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2026-03-30 15:09:55 0x7f34000d36c0 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 44 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 406492 srv_active, 0 srv_shutdown, 138580 srv_idle srv_master_thread log flush and writes: 545000 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 10217560 OS WAIT ARRAY INFO: signal count 5477194 RW-shared spins 181739, rounds 5446733, OS waits 178729 RW-excl spins 630, rounds 18760, OS waits 589 RW-sx spins 2, rounds 60, OS waits 1 Spin rounds per wait: 29.97 RW-shared, 29.78 RW-excl, 30.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 19103286 Purge done for trx's n:o < 19103286 undo n:o < 0 state: running but idle History list length 1 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421336235950704, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421336235946488, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421336235942272, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421336235933840, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421336235938056, not started 0 lock struct(s), heap size 1128, 0 row lock(s) -------- FILE I/O -------- I/O thread 0 state: waiting for i/o request (insert buffer thread) I/O thread 1 state: waiting for i/o request (log thread) I/O thread 2 state: waiting for i/o request (read thread) I/O thread 3 state: waiting for i/o request (read thread) I/O thread 4 state: waiting for i/o request (read thread) I/O thread 5 state: waiting for i/o request (read thread) I/O thread 6 state: waiting for i/o request (write thread) I/O thread 7 state: waiting for i/o request (write thread) I/O thread 8 state: waiting for i/o request (write thread) I/O thread 9 state: waiting for i/o request (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 228947 OS file reads, 4822615 OS file writes, 2866148 OS fsyncs 0.75 reads/s, 16384 avg bytes/read, 9.39 writes/s, 5.66 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 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) 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) 28.89 hash searches/s, 58.79 non-hash searches/s --- LOG --- Log sequence number 2920689340 Log flushed up to 2920689320 Pages flushed up to 2920688083 Last checkpoint at 2920684691 0 pending log flushes, 0 pending chkp writes 1445805 log i/o's done, 2.84 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 75640 Buffer pool size 1003 Free buffers 741 Database pages 259 Old database pages 0 Modified db pages 3 Percent of dirty pages(LRU & free pages): 0.300 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 228906, created 18461, written 2831366 0.75 reads/s, 0.02 creates/s, 5.50 writes/s Buffer pool hit rate 995 / 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: 259, unzip_LRU len: 0 I/O sum[305]:cur[13], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=292, Main thread ID=139860132210368, state: sleeping Number of rows inserted 0, updated 691363, deleted 0, read 8233691 0.00 inserts/s, 1.34 updates/s, 0.00 deletes/s, 18.91 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 393 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 2.98 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================