控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2026-08-27 17:44:52 0x1cf8 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 33 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 313 srv_active, 0 srv_shutdown, 17301 srv_idle srv_master_thread log flush and writes: 17614 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 13652 OS WAIT ARRAY INFO: signal count 595 RW-shared spins 374, rounds 8234, OS waits 197 RW-excl spins 207, rounds 1143, OS waits 15 RW-sx spins 1, rounds 1, OS waits 0 Spin rounds per wait: 22.02 RW-shared, 5.52 RW-excl, 1.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 1480 Purge done for trx's n:o < 1480 undo n:o < 0 state: running but idle History list length 7 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283565670338992, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283565670334824, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283565670322320, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283565670330656, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283565670326488, 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 1456 OS file reads, 4542 OS file writes, 2220 OS fsyncs 1.97 reads/s, 16384 avg bytes/read, 7.76 writes/s, 4.48 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 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 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 0 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 12.33 hash searches/s, 26.91 non-hash searches/s --- LOG --- Log sequence number 1281044 Log flushed up to 1281044 Pages flushed up to 1279853 Last checkpoint at 1279790 0 pending log flushes, 0 pending chkp writes 1282 log i/o's done, 2.33 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 80128 Buffer pool size 1003 Free buffers 742 Database pages 258 Old database pages 0 Modified db pages 3 Percent of dirty pages(LRU & free pages): 0.300 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 1420, created 238, written 2908 1.97 reads/s, 0.00 creates/s, 4.67 writes/s Buffer pool hit rate 975 / 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[315]: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=9380, Main thread ID=9976, state: sleeping Number of rows inserted 2462, updated 556, deleted 0, read 9372 0.00 inserts/s, 1.09 updates/s, 0.00 deletes/s, 11.85 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 1312 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================