控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2025-12-26 04:07:36 0x3740 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 60 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 12888 srv_active, 0 srv_shutdown, 7905068 srv_idle srv_master_thread log flush and writes: 7871581 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 14077 OS WAIT ARRAY INFO: signal count 13729 RW-shared spins 0, rounds 26339, OS waits 13165 RW-excl spins 0, rounds 601, OS waits 19 RW-sx spins 2, rounds 60, OS waits 2 Spin rounds per wait: 26339.00 RW-shared, 601.00 RW-excl, 30.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 59959 Purge done for trx's n:o < 59959 undo n:o < 0 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 282973602509352, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 282973602505136, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 282973602500920, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 282973602496704, 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 28958 OS file reads, 162462 OS file writes, 101638 OS fsyncs 2.10 reads/s, 16384 avg bytes/read, 5.87 writes/s, 2.43 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 0 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 3.63 hash searches/s, 20.10 non-hash searches/s --- LOG --- Log sequence number 38768033 Log flushed up to 38768013 Pages flushed up to 38751680 Last checkpoint at 38751680 0 pending log flushes, 0 pending chkp writes 60459 log i/o's done, 1.67 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 88128 Buffer pool size 1002 Free buffers 728 Database pages 272 Old database pages 0 Modified db pages 31 Percent of dirty pages(LRU & free pages): 3.097 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 28796, created 1006, written 87477 2.10 reads/s, 0.07 creates/s, 3.88 writes/s Buffer pool hit rate 966 / 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: 272, unzip_LRU len: 0 I/O sum[323]:cur[20], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=59476, Main thread ID=64504, state: sleeping Number of rows inserted 1, updated 19090, deleted 0, read 153412 0.00 inserts/s, 1.18 updates/s, 0.00 deletes/s, 3.67 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 8412 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================
