Supports transactions, row-level locking, and foreign keys
[ Variables | Reserva de memòria intermèdia | Estat d'InnoDB ]
===================================== 2024-09-20 00:39:53 0x7fddd0168700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 50 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 47 srv_active, 0 srv_shutdown, 498 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 481 OS WAIT ARRAY INFO: signal count 455 RW-shared spins 55, rounds 103, OS waits 48 RW-excl spins 147, rounds 1153, OS waits 20 RW-sx spins 0, rounds 0, OS waits 0 Spin rounds per wait: 1.87 RW-shared, 7.84 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 10250 Purge done for trx's n:o < 10249 undo n:o < 0 state: running but idle History list length 9 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 422065639291496, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 422065639290624, 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 1510 OS file reads, 2674 OS file writes, 765 OS fsyncs 0.24 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 2 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 5 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 996.44 hash searches/s, 681.99 non-hash searches/s --- LOG --- Log sequence number 52083649 Log buffer assigned up to 52083649 Log buffer completed up to 52083649 Log written up to 52083649 Log flushed up to 52083649 Added dirty pages up to 52083649 Pages flushed up to 52083649 Last checkpoint at 52083649 1235 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 497163 Buffer pool size 8192 Free buffers 6630 Database pages 1537 Old database pages 567 Modified db pages 0 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 577, not young 3144 0.00 youngs/s, 0.00 non-youngs/s Pages read 1375, created 301, written 1256 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: 1537, unzip_LRU len: 0 I/O sum[12]: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=140590153127680 , state=sleeping Number of rows inserted 18312, updated 1795, deleted 1528, read 978215 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1321.39 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================