控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2026-04-17 21:15:32 0x2b18 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 13 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 434 srv_active, 0 srv_shutdown, 44761 srv_idle srv_master_thread log flush and writes: 45195 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 17648 OS WAIT ARRAY INFO: signal count 19226 RW-shared spins 32832, rounds 690324, OS waits 17355 RW-excl spins 4403, rounds 10398, OS waits 99 RW-sx spins 9, rounds 154, OS waits 3 Spin rounds per wait: 21.03 RW-shared, 2.36 RW-excl, 17.11 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 1036225 Purge done for trx's n:o < 1036225 undo n:o < 0 state: running but idle History list length 0 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283699912622552, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---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) ---TRANSACTION 283699912618376, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283699912614200, 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 1310621 OS file reads, 9153 OS file writes, 5135 OS fsyncs 0.46 reads/s, 16384 avg bytes/read, 2.85 writes/s, 1.69 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) 0.00 hash searches/s, 55.61 non-hash searches/s --- LOG --- Log sequence number 102176651 Log flushed up to 102176455 Pages flushed up to 102175317 Last checkpoint at 102174171 0 pending log flushes, 0 pending chkp writes 3134 log i/o's done, 1.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 150240 Buffer pool size 1003 Free buffers 738 Database pages 257 Old database pages 0 Modified db pages 9 Percent of dirty pages(LRU & free pages): 0.904 Max dirty pages percent: 75.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 27415, not young 88892790 0.00 youngs/s, 0.00 non-youngs/s Pages read 1310557, created 147, written 5277 0.46 reads/s, 0.00 creates/s, 1.62 writes/s Buffer pool hit rate 994 / 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[27]: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=8564, Main thread ID=9200, state: sleeping Number of rows inserted 503, updated 70, deleted 9, read 117954287 0.00 inserts/s, 0.46 updates/s, 0.00 deletes/s, 5.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 1086 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 27.84 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================