控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2025-07-17 19:00:44 0x7fc2400dc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 16 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1988 srv_active, 0 srv_shutdown, 137415 srv_idle srv_master_thread log flush and writes: 139370 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 4991 OS WAIT ARRAY INFO: signal count 4553 RW-shared spins 3299, rounds 99000, OS waits 3296 RW-excl spins 0, rounds 0, OS waits 0 RW-sx spins 0, rounds 0, OS waits 0 Spin rounds per wait: 30.01 RW-shared, 0.00 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 216673 Purge done for trx's n:o < 216673 undo n:o < 0 state: running but idle History list length 2 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421947036922120, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421947036917904, 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 2765 OS file reads, 23850 OS file writes, 17145 OS fsyncs 0.12 reads/s, 16384 avg bytes/read, 0.62 writes/s, 0.56 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) 1.00 hash searches/s, 1.94 non-hash searches/s --- LOG --- Log sequence number 214451187 Log flushed up to 214451187 Pages flushed up to 214451187 Last checkpoint at 214451178 0 pending log flushes, 0 pending chkp writes 10872 log i/o's done, 0.38 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 80520 Buffer pool size 1003 Free buffers 743 Database pages 257 Old database pages 0 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 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 2725, created 210, written 10794 0.12 reads/s, 0.00 creates/s, 0.19 writes/s Buffer pool hit rate 973 / 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[4]:cur[1], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=469284, Main thread ID=140471468816128, state: sleeping Number of rows inserted 0, updated 2172, deleted 0, read 27923 0.00 inserts/s, 0.06 updates/s, 0.00 deletes/s, 1.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 2514 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================