Supports transactions, row-level locking, and foreign keys
[ Переменные | Буферный пул | Состояние InnoDB ]
===================================== 2025-07-14 11:18:11 0x7fb87409f700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 21 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 8 srv_active, 0 srv_shutdown, 133 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 19 OS WAIT ARRAY INFO: signal count 19 RW-shared spins 1, rounds 1, OS waits 0 RW-excl spins 0, rounds 0, OS waits 0 RW-sx spins 0, rounds 0, OS waits 0 Spin rounds per wait: 1.00 RW-shared, 0.00 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 9815 Purge done for trx's n:o < 9811 undo n:o < 0 state: running but idle History list length 70 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421905354803816, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421905354802944, 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 1359 OS file reads, 451 OS file writes, 143 OS fsyncs 0.05 reads/s, 16384 avg bytes/read, 0.00 writes/s, 0.00 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 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 0 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 0 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 4 buffer(s) 239.42 hash searches/s, 57.38 non-hash searches/s --- LOG --- Log sequence number 50982515 Log buffer assigned up to 50982515 Log buffer completed up to 50982515 Log written up to 50982515 Log flushed up to 50982515 Added dirty pages up to 50982515 Pages flushed up to 50982515 Last checkpoint at 50982515 124 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 559751 Buffer pool size 8192 Free buffers 6792 Database pages 1388 Old database pages 531 Modified db pages 0 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 1240, created 148, written 273 0.00 reads/s, 0.00 creates/s, 0.00 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: 1388, 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=367, Main thread ID=140429866510080 , state=sleeping Number of rows inserted 27, updated 353, deleted 0, read 123314 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 625.21 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================