控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2026-06-28 20:29:52 0x9584 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 18 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 6498 srv_active, 0 srv_shutdown, 21415 srv_idle srv_master_thread log flush and writes: 27907 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 29250 OS WAIT ARRAY INFO: signal count 11338 RW-shared spins 3292, rounds 96994, OS waits 3212 RW-excl spins 399, rounds 2400, OS waits 30 RW-sx spins 2, rounds 48, OS waits 0 Spin rounds per wait: 29.46 RW-shared, 6.02 RW-excl, 24.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 20520 Purge done for trx's n:o < 20520 undo n:o < 0 state: running but idle History list length 2 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 284317571510488, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284317571506320, 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 29296 OS file reads, 71485 OS file writes, 43537 OS fsyncs 1.94 reads/s, 16384 avg bytes/read, 8.00 writes/s, 5.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 62, seg size 64, 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 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) 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) 9.89 hash searches/s, 21.05 non-hash searches/s --- LOG --- Log sequence number 80119630 Log flushed up to 80119630 Pages flushed up to 80115422 Last checkpoint at 80114993 0 pending log flushes, 0 pending chkp writes 22150 log i/o's done, 2.50 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 160256 Buffer pool size 1003 Free buffers 738 Database pages 256 Old database pages 0 Modified db pages 16 Percent of dirty pages(LRU & free pages): 1.608 Max dirty pages percent: 75.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 166, not young 4890 0.00 youngs/s, 0.00 non-youngs/s Pages read 29231, created 527, written 41790 1.94 reads/s, 0.00 creates/s, 4.61 writes/s Buffer pool hit rate 979 / 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[289]: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=29332, Main thread ID=23156, state: sleeping Number of rows inserted 152, updated 8898, deleted 60, read 9252426 0.00 inserts/s, 1.06 updates/s, 0.00 deletes/s, 61.55 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 13512 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================