控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2026-08-26 20:48:01 0x4d44 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 48 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 16525 srv_active, 0 srv_shutdown, 2310767 srv_idle srv_master_thread log flush and writes: 2327292 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 12393 OS WAIT ARRAY INFO: signal count 9402 RW-shared spins 5140, rounds 152306, OS waits 5058 RW-excl spins 1079, rounds 19749, OS waits 607 RW-sx spins 8, rounds 165, OS waits 5 Spin rounds per wait: 29.63 RW-shared, 18.30 RW-excl, 20.62 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 237737 Purge done for trx's n:o < 237737 undo n:o < 0 state: running but idle History list length 0 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 284255858405592, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284255858401424, 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 85321 OS file reads, 197206 OS file writes, 104431 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 14, seg size 16, 15 merges merged operations: insert 16, 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 1 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 1 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 1 buffer(s) 0.21 hash searches/s, 0.25 non-hash searches/s --- LOG --- Log sequence number 147391678 Log flushed up to 147391678 Pages flushed up to 147391678 Last checkpoint at 147391669 0 pending log flushes, 0 pending chkp writes 56005 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 653544 Buffer pool size 1003 Free buffers 737 Database pages 258 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 1055, not young 11139 0.00 youngs/s, 0.00 non-youngs/s Pages read 85054, created 1544, written 123073 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: 258, 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=11340, Main thread ID=13864, state: sleeping Number of rows inserted 665, updated 28222, deleted 78, read 3499553 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.21 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 181201 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================