Supports transactions, row-level locking, and foreign keys
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2025-07-29 03:31:58 0xc5eec INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 25 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 173 srv_active, 0 srv_shutdown, 1686581 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 337 OS WAIT ARRAY INFO: signal count 327 RW-shared spins 0, rounds 0, 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: 0.00 RW-shared, 0.00 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 152309 Purge done for trx's n:o < 152309 undo n:o < 0 state: running but idle History list length 1 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 284433613001984, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284433613001208, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284433613000432, not started 0 lock struct(s), heap size 1128, 0 row lock(s) -------- FILE I/O -------- I/O thread 0 state: wait Windows aio (insert buffer thread) I/O thread 1 state: wait Windows aio (read thread) I/O thread 2 state: wait Windows aio (read thread) I/O thread 3 state: wait Windows aio (read thread) I/O thread 4 state: wait Windows aio (read thread) I/O thread 5 state: wait Windows aio (write thread) I/O thread 6 state: wait Windows aio (write thread) I/O thread 7 state: wait Windows aio (write thread) I/O thread 8 state: wait Windows aio (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads: Pending flushes (fsync) log: 0; buffer pool: 0 1203 OS file reads, 5747 OS file writes, 2028 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.12 writes/s, 0.04 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 0 buffer(s) Hash table size 34679, node heap has 0 buffer(s) Hash table size 34679, node heap has 0 buffer(s) Hash table size 34679, node heap has 0 buffer(s) Hash table size 34679, node heap has 0 buffer(s) Hash table size 34679, node heap has 0 buffer(s) Hash table size 34679, node heap has 0 buffer(s) Hash table size 34679, node heap has 0 buffer(s) 0.00 hash searches/s, 289.59 non-hash searches/s --- LOG --- Log sequence number 155075279 Log buffer assigned up to 155075279 Log buffer completed up to 155075279 Log written up to 155075279 Log flushed up to 155075279 Added dirty pages up to 155075279 Pages flushed up to 155075279 Last checkpoint at 155075279 Log minimum file id is 47 Log maximum file id is 47 1210 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 0 Dictionary memory allocated 594867 Buffer pool size 8191 Free buffers 6773 Database pages 1418 Old database pages 504 Modified db pages 0 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2168, not young 266 0.16 youngs/s, 0.00 non-youngs/s Pages read 1180, created 1289, written 3489 0.00 reads/s, 0.12 creates/s, 0.04 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: 1418, unzip_LRU len: 0 I/O sum[1]: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=9680, Main thread ID=12712 , state=sleeping Number of rows inserted 99252, updated 0, deleted 0, read 99610 1.92 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1.92 reads/s Number of system rows inserted 8, updated 958, deleted 8, read 3543773 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 203.95 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================