控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2025-04-29 01:44:06 0x7f3e51867640 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 41 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 457245 srv_active, 0 srv_shutdown, 1419674 srv_idle srv_master_thread log flush and writes: 1876575 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 9121342 OS WAIT ARRAY INFO: signal count 4228241 RW-shared spins 113048, rounds 3377529, OS waits 112320 RW-excl spins 2754, rounds 81305, OS waits 2629 RW-sx spins 20, rounds 535, OS waits 16 Spin rounds per wait: 29.88 RW-shared, 29.52 RW-excl, 26.75 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 1911549 Purge done for trx's n:o < 1911549 undo n:o < 0 state: running History list length 5 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421380643672568, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421380643668352, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421380643659920, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421380643664136, 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 498283 OS file reads, 5616038 OS file writes, 3307015 OS fsyncs 1.39 reads/s, 16384 avg bytes/read, 10.15 writes/s, 6.76 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) 25.61 hash searches/s, 67.68 non-hash searches/s --- LOG --- Log sequence number 1114073194 Log flushed up to 1114073174 Pages flushed up to 1114060751 Last checkpoint at 1114051575 0 pending log flushes, 0 pending chkp writes 1634681 log i/o's done, 3.39 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 75640 Buffer pool size 1003 Free buffers 742 Database pages 258 Old database pages 0 Modified db pages 24 Percent of dirty pages(LRU & free pages): 2.398 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 498249, created 35075, written 3292585 1.39 reads/s, 0.10 creates/s, 5.19 writes/s Buffer pool hit rate 993 / 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: 258, unzip_LRU len: 0 I/O sum[344]:cur[10], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=47352, Main thread ID=139904734459456, state: sleeping Number of rows inserted 2, updated 901229, deleted 0, read 8462092 0.00 inserts/s, 1.95 updates/s, 0.00 deletes/s, 21.34 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 4844 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================