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控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2026-07-31 13:19:58 0x7a16fc9b46c0 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 10 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 187116 srv_active, 0 srv_shutdown, 16927679 srv_idle srv_master_thread log flush and writes: 17113074 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 440668 OS WAIT ARRAY INFO: signal count 219514 RW-shared spins 46581, rounds 1377285, OS waits 45739 RW-excl spins 8950, rounds 126402, OS waits 3177 RW-sx spins 42, rounds 1158, OS waits 33 Spin rounds per wait: 29.57 RW-shared, 14.12 RW-excl, 27.57 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 28198606 Purge done for trx's n:o < 28198606 undo n:o < 0 state: running History list length 3 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 415714071224600, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 415714071220376, 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 1119779 OS file reads, 1950373 OS file writes, 1136180 OS fsyncs 11.10 reads/s, 16384 avg bytes/read, 18.00 writes/s, 7.60 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 1 merges merged operations: insert 0, delete mark 1, 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 2 buffer(s) 85.09 hash searches/s, 105.09 non-hash searches/s --- LOG --- Log sequence number 856552565 Log flushed up to 856552545 Pages flushed up to 856549067 Last checkpoint at 856497110 0 pending log flushes, 0 pending chkp writes 539079 log i/o's done, 5.50 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 1363960 Buffer pool size 1003 Free buffers 743 Database pages 251 Old database pages 0 Modified db pages 7 Percent of dirty pages(LRU & free pages): 0.704 Max dirty pages percent: 75.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2041, not young 94419 0.00 youngs/s, 0.00 non-youngs/s Pages read 1119216, created 12951, written 1202024 11.10 reads/s, 0.20 creates/s, 11.70 writes/s Buffer pool hit rate 978 / 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: 251, unzip_LRU len: 0 I/O sum[423]:cur[46], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1194, Main thread ID=134237894194880, state: sleeping Number of rows inserted 3487, updated 258414, deleted 3487, read 16151526 0.00 inserts/s, 4.30 updates/s, 0.00 deletes/s, 15.10 reads/s Number of system rows inserted 1, updated 0, deleted 0, read 3323712 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================