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控制台
存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
===================================== 2025-12-28 11:26:15 0x7efc9c3eb700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 10 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 9524 srv_active, 0 srv_shutdown, 11597 srv_idle srv_master_thread log flush and writes: 21116 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 29183 OS WAIT ARRAY INFO: signal count 26189 RW-shared spins 0, rounds 15667, OS waits 7777 RW-excl spins 0, rounds 2493, OS waits 89 RW-sx spins 3, rounds 90, OS waits 3 Spin rounds per wait: 15667.00 RW-shared, 2493.00 RW-excl, 30.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 80909 Purge done for trx's n:o < 80909 undo n:o < 0 state: running but idle History list length 17 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421098395558552, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421098395554296, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421098395550040, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421098395545784, not started 0 lock struct(s), heap size 1136, 0 row lock(s) -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (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: 0 865 OS file reads, 142788 OS file writes, 70337 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 4.30 writes/s, 3.20 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 69257, node heap has 1 buffer(s) Hash table size 69257, node heap has 9 buffer(s) Hash table size 69257, node heap has 2 buffer(s) Hash table size 69257, node heap has 25 buffer(s) Hash table size 69257, node heap has 1 buffer(s) Hash table size 69257, node heap has 3 buffer(s) Hash table size 69257, node heap has 25 buffer(s) Hash table size 69257, node heap has 0 buffer(s) 2.40 hash searches/s, 1.10 non-hash searches/s --- LOG --- Log sequence number 38371955 Log flushed up to 38371818 Pages flushed up to 38370630 Last checkpoint at 38370621 0 pending log flushes, 0 pending chkp writes 46072 log i/o's done, 2.20 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 285212672 Dictionary memory allocated 160320 Buffer pool size 16024 Free buffers 15040 Database pages 918 Old database pages 335 Modified db pages 3 Percent of dirty pages(LRU & free pages): 0.019 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 706, created 212, written 88056 0.00 reads/s, 0.00 creates/s, 1.80 writes/s Buffer pool hit rate 1000 / 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: 918, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=901, Main thread ID=139622650726144, state: sleeping Number of rows inserted 6, updated 20786, deleted 0, read 1408115 0.00 inserts/s, 0.70 updates/s, 0.00 deletes/s, 1.30 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 5858 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================