控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2026-10-21 20:33:40 0x7f8c76766700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 10 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 47191 srv_active, 0 srv_shutdown, 1839841 srv_idle srv_master_thread log flush and writes: 1886539 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 90797 OS WAIT ARRAY INFO: signal count 90488 RW-shared spins 88625, rounds 2658081, OS waits 88586 RW-excl spins 311, rounds 9126, OS waits 302 RW-sx spins 6, rounds 180, OS waits 6 Spin rounds per wait: 29.99 RW-shared, 29.34 RW-excl, 30.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 452175 Purge done for trx's n:o < 452175 undo n:o < 0 state: running but idle History list length 2 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421717715771656, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421717715767440, 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 50243 OS file reads, 597099 OS file writes, 444180 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.20 writes/s, 0.20 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) 2.30 hash searches/s, 4.80 non-hash searches/s --- LOG --- Log sequence number 244957548 Log flushed up to 244957548 Pages flushed up to 244957548 Last checkpoint at 244957539 0 pending log flushes, 0 pending chkp writes 283964 log i/o's done, 0.20 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 90280 Buffer pool size 1003 Free buffers 744 Database pages 256 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 50202, created 1978, written 256108 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: 256, unzip_LRU len: 0 I/O sum[16]: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=3613, Main thread ID=140241746781952, state: sleeping Number of rows inserted 366, updated 52877, deleted 0, read 4314985 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 2.30 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 5061 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================