控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2025-04-04 17:19:44 0x7f28247f0700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 41 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2676027 srv_active, 0 srv_shutdown, 2575548 srv_idle srv_master_thread log flush and writes: 5251133 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 25027223 OS WAIT ARRAY INFO: signal count 16614578 RW-shared spins 2177594, rounds 65065773, OS waits 2137124 RW-excl spins 73610, rounds 2321512, OS waits 73613 RW-sx spins 315, rounds 9362, OS waits 295 Spin rounds per wait: 29.88 RW-shared, 31.54 RW-excl, 29.72 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 20185323 Purge done for trx's n:o < 20185323 undo n:o < 0 state: running but idle History list length 1 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421285598240912, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421285598245128, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421285598283072, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421285598278856, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421285598249344, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421285598266208, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421285598274640, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421285598253560, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421285598270424, not started 0 lock struct(s), heap size 1128, 0 row lock(s) -------- FILE I/O -------- I/O thread 0 state: waiting for i/o request (insert buffer thread) I/O thread 1 state: waiting for i/o request (log thread) I/O thread 2 state: waiting for i/o request (read thread) I/O thread 3 state: waiting for i/o request (read thread) I/O thread 4 state: waiting for i/o request (read thread) I/O thread 5 state: waiting for i/o request (read thread) I/O thread 6 state: waiting for i/o request (write thread) I/O thread 7 state: waiting for i/o request (write thread) I/O thread 8 state: waiting for i/o request (write thread) I/O thread 9 state: waiting for i/o request (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 1561716 OS file reads, 26658032 OS file writes, 17182809 OS fsyncs 0.17 reads/s, 16384 avg bytes/read, 4.17 writes/s, 2.80 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 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 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 1 buffer(s) 10.49 hash searches/s, 17.27 non-hash searches/s --- LOG --- Log sequence number 11246214615 Log flushed up to 11246214615 Pages flushed up to 11246214615 Last checkpoint at 11246211897 0 pending log flushes, 0 pending chkp writes 9762318 log i/o's done, 1.54 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 75640 Buffer pool size 1003 Free buffers 744 Database pages 256 Old database pages 0 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 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 1561682, created 108610, written 14238097 0.17 reads/s, 0.07 creates/s, 2.20 writes/s Buffer pool hit rate 997 / 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[114]:cur[11], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5024, Main thread ID=139809624413952, state: sleeping Number of rows inserted 0, updated 3019132, deleted 0, read 33732711 0.00 inserts/s, 0.44 updates/s, 0.00 deletes/s, 9.59 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 243294 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================