控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2025-11-06 07:49:14 0x1a80 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 50 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 3725 srv_active, 0 srv_shutdown, 5005256 srv_idle srv_master_thread log flush and writes: 5008981 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 8446 OS WAIT ARRAY INFO: signal count 8110 RW-shared spins 5886, rounds 175650, OS waits 5849 RW-excl spins 107, rounds 2438, OS waits 74 RW-sx spins 12, rounds 360, OS waits 12 Spin rounds per wait: 29.84 RW-shared, 22.79 RW-excl, 30.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 41974 Purge done for trx's n:o < 41974 undo n:o < 0 state: running History list length 5 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283023276343728, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283023276339560, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283023276331224, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283023276335392, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283023276327056, 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 10468 OS file reads, 58739 OS file writes, 31568 OS fsyncs 2.54 reads/s, 16384 avg bytes/read, 7.48 writes/s, 3.44 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 195 merges merged operations: insert 226, 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 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) 9.88 hash searches/s, 30.30 non-hash searches/s --- LOG --- Log sequence number 12860830 Log flushed up to 12860830 Pages flushed up to 12843738 Last checkpoint at 12843606 0 pending log flushes, 0 pending chkp writes 20126 log i/o's done, 2.34 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 87640 Buffer pool size 1003 Free buffers 739 Database pages 261 Old database pages 0 Modified db pages 35 Percent of dirty pages(LRU & free pages): 3.497 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 10430, created 188, written 34633 2.54 reads/s, 0.14 creates/s, 4.66 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: 261, unzip_LRU len: 0 I/O sum[338]:cur[22], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=10620, Main thread ID=6396, state: sleeping Number of rows inserted 4406, updated 267, deleted 0, read 5450370 0.00 inserts/s, 1.72 updates/s, 0.00 deletes/s, 14.54 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 1155 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================