控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2026-05-14 02:20:48 0x277c INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 38 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 289 srv_active, 0 srv_shutdown, 410074 srv_idle srv_master_thread log flush and writes: 410363 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 21067 --Thread 4164 has waited at srv0srv.cc line 900 for 0.00 seconds the semaphore: Mutex at 00007FF6F4A80C50, Mutex SRV_SYS created srv0srv.cc:1005, lock var 2 OS WAIT ARRAY INFO: signal count 6377 RW-shared spins 192, rounds 5123, OS waits 139 RW-excl spins 16, rounds 383, OS waits 7 RW-sx spins 0, rounds 0, OS waits 0 Spin rounds per wait: 26.68 RW-shared, 23.94 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 198234 Purge done for trx's n:o < 198229 undo n:o < 0 state: running History list length 9 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283538618319208, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283538618310872, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283538618315040, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283538618306704, 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 3434 OS file reads, 6727 OS file writes, 2875 OS fsyncs 1.26 reads/s, 16384 avg bytes/read, 3.00 writes/s, 1.47 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) 4.71 hash searches/s, 10.60 non-hash searches/s --- LOG --- Log sequence number 116661558 Log flushed up to 116661558 Pages flushed up to 116654163 Last checkpoint at 116652519 0 pending log flushes, 0 pending chkp writes 1974 log i/o's done, 1.03 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 185296 Buffer pool size 1003 Free buffers 744 Database pages 257 Old database pages 0 Modified db pages 14 Percent of dirty pages(LRU & free pages): 1.397 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 3353, created 181, written 4364 1.26 reads/s, 0.03 creates/s, 1.79 writes/s Buffer pool hit rate 963 / 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: 257, unzip_LRU len: 0 I/O sum[196]:cur[1], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=3364, Main thread ID=4148, state: sleeping Number of rows inserted 0, updated 1429, deleted 0, read 13133 0.00 inserts/s, 0.82 updates/s, 0.00 deletes/s, 4.61 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 2866 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================