控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2025-12-16 16:23:53 0x1cb8 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 5 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 54140 srv_active, 0 srv_shutdown, 445748 srv_idle srv_master_thread log flush and writes: 499888 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 61919 OS WAIT ARRAY INFO: signal count 61389 RW-shared spins 49584, rounds 1433496, OS waits 47546 RW-excl spins 3590, rounds 26958, OS waits 201 RW-sx spins 109, rounds 4038, OS waits 130 Spin rounds per wait: 28.91 RW-shared, 7.51 RW-excl, 37.05 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 231743 Purge done for trx's n:o < 231743 undo n:o < 0 state: running but idle History list length 0 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283610223898840, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283610223894672, 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 2454279 OS file reads, 682233 OS file writes, 418539 OS fsyncs 11.60 reads/s, 16384 avg bytes/read, 7.20 writes/s, 4.60 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 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) 7.40 hash searches/s, 22.40 non-hash searches/s --- LOG --- Log sequence number 164934508 Log flushed up to 164934078 Pages flushed up to 164932863 Last checkpoint at 164932863 0 pending log flushes, 0 pending chkp writes 232819 log i/o's done, 3.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 192808 Buffer pool size 1003 Free buffers 697 Database pages 298 Old database pages 0 Modified db pages 19 Percent of dirty pages(LRU & free pages): 1.908 Max dirty pages percent: 75.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 195738, not young 19186269 0.00 youngs/s, 0.00 non-youngs/s Pages read 2454198, created 3239, written 382531 11.60 reads/s, 0.40 creates/s, 3.60 writes/s Buffer pool hit rate 868 / 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: 298, unzip_LRU len: 0 I/O sum[1890]:cur[43], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1984, Main thread ID=1856, state: sleeping Number of rows inserted 651, updated 83696, deleted 556, read 281847741 0.00 inserts/s, 1.40 updates/s, 0.00 deletes/s, 8.40 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 282537 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================