Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Reserva de búfers | Estado del InnoDB ]
===================================== 2025-07-27 11:35:22 0x302c INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 39 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 96841 srv_active, 0 srv_shutdown, 249049 srv_idle srv_master_thread log flush and writes: 345890 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 5064181 OS WAIT ARRAY INFO: signal count 924406 RW-shared spins 112501, rounds 3361982, OS waits 104608 RW-excl spins 248, rounds 6308, OS waits 192 RW-sx spins 32, rounds 949, OS waits 7 Spin rounds per wait: 29.88 RW-shared, 25.44 RW-excl, 29.66 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 5064120 Purge done for trx's n:o < 5064120 undo n:o < 0 state: running but idle History list length 0 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283109682418024, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283109682413856, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283109682409688, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283109682405520, not started 0 lock struct(s), heap size 1128, 0 row lock(s) -------- FILE I/O -------- I/O thread 0 state: native aio handle (insert buffer thread) I/O thread 1 state: native aio handle (log thread) I/O thread 2 state: native aio handle (read thread) I/O thread 3 state: native aio handle (read thread) I/O thread 4 state: native aio handle (read thread) I/O thread 5 state: native aio handle (read thread) I/O thread 6 state: native aio handle (write thread) I/O thread 7 state: native aio handle (write thread) I/O thread 8 state: native aio handle (write thread) I/O thread 9 state: native aio handle (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 93714 OS file reads, 1117411 OS file writes, 780730 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 2.56 writes/s, 1.82 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 4441, node heap has 1 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 1 buffer(s) Hash table size 4441, node heap has 1 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 10.05 hash searches/s, 26.00 non-hash searches/s --- LOG --- Log sequence number 3012839023 Log flushed up to 3012839023 Pages flushed up to 3012839023 Last checkpoint at 3012839014 0 pending log flushes, 0 pending chkp writes 447049 log i/o's done, 1.05 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 100160 Buffer pool size 1003 Free buffers 743 Database pages 256 Old database pages 0 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 75.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 745, not young 28690 0.00 youngs/s, 0.00 non-youngs/s Pages read 93671, created 4003, written 550841 0.00 reads/s, 0.03 creates/s, 1.23 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: 256, unzip_LRU len: 0 I/O sum[72]: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=4048, Main thread ID=4504, state: sleeping Number of rows inserted 11070, updated 99679, deleted 0, read 4500525 0.00 inserts/s, 0.26 updates/s, 0.00 deletes/s, 9.51 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 6529 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================