Supports transactions, row-level locking, and foreign keys
[ Variáveis | Pool de buffer | Estado do InnoDB ]
===================================== 2025-07-05 18:47:57 0x7f38a17fa700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 8 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2 srv_active, 0 srv_shutdown, 127 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 5 OS WAIT ARRAY INFO: signal count 5 RW-shared spins 0, rounds 0, OS waits 0 RW-excl spins 1, 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 9741 Purge done for trx's n:o < 9740 undo n:o < 0 state: running but idle History list length 49 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421357241870952, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421357241870080, 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 1162 OS file reads, 232 OS file writes, 51 OS fsyncs 0.00 reads/s, 0 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 0 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) 332.83 hash searches/s, 68.24 non-hash searches/s --- LOG --- Log sequence number 50950014 Log buffer assigned up to 50950014 Log buffer completed up to 50950014 Log written up to 50950014 Log flushed up to 50950014 Added dirty pages up to 50950014 Pages flushed up to 50950014 Last checkpoint at 50950014 28 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 422087 Buffer pool size 8192 Free buffers 6966 Database pages 1215 Old database pages 468 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 1073, created 142, written 167 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: 1215, 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=368, Main thread ID=139881759041280 , state=sleeping Number of rows inserted 3, updated 316, deleted 0, read 83987 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 933.76 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================