控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2026-04-17 22:51:58 0x454 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 51 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 519 srv_active, 0 srv_shutdown, 50424 srv_idle srv_master_thread log flush and writes: 50943 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 17739 OS WAIT ARRAY INFO: signal count 19315 RW-shared spins 32903, rounds 692371, OS waits 17416 RW-excl spins 4405, rounds 10400, OS waits 99 RW-sx spins 9, rounds 154, OS waits 3 Spin rounds per wait: 21.04 RW-shared, 2.36 RW-excl, 17.11 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 1037037 Purge done for trx's n:o < 1037037 undo n:o < 0 state: running History list length 13 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283699912610024, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283699912605848, 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 1311762 OS file reads, 11230 OS file writes, 6010 OS fsyncs 2.51 reads/s, 16384 avg bytes/read, 7.57 writes/s, 2.61 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 434 merges merged operations: insert 499, delete mark 10, 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) 4.73 hash searches/s, 18.59 non-hash searches/s --- LOG --- Log sequence number 102690774 Log flushed up to 102690754 Pages flushed up to 102677083 Last checkpoint at 102661062 0 pending log flushes, 0 pending chkp writes 3751 log i/o's done, 1.98 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 150240 Buffer pool size 1003 Free buffers 724 Database pages 271 Old database pages 0 Modified db pages 23 Percent of dirty pages(LRU & free pages): 2.309 Max dirty pages percent: 75.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 27614, not young 88894581 0.00 youngs/s, 0.00 non-youngs/s Pages read 1311698, created 164, written 6641 2.51 reads/s, 0.08 creates/s, 5.35 writes/s Buffer pool hit rate 963 / 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: 271, unzip_LRU len: 0 I/O sum[353]:cur[48], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=8564, Main thread ID=9200, state: sleeping Number of rows inserted 503, updated 476, deleted 9, read 118020457 0.00 inserts/s, 1.65 updates/s, 0.00 deletes/s, 4.63 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 1161 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1.43 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================