Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Mémoire tampon | État InnoDB ]
===================================== 2025-05-02 13:29:55 0x7efc041cf700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 5 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 115 srv_active, 0 srv_shutdown, 2481 srv_idle srv_master_thread log flush and writes: 2596 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 688 OS WAIT ARRAY INFO: signal count 654 RW-shared spins 0, rounds 416, OS waits 208 RW-excl spins 0, rounds 30, OS waits 1 RW-sx spins 0, rounds 0, OS waits 0 Spin rounds per wait: 416.00 RW-shared, 30.00 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 37671 Purge done for trx's n:o < 37671 undo n:o < 0 state: running but idle History list length 16 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421095847313912, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421095847309656, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421095847305400, 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: 0 746 OS file reads, 1467 OS file writes, 1003 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 3.00 writes/s, 2.80 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 69257, node heap has 0 buffer(s) Hash table size 69257, node heap has 3 buffer(s) Hash table size 69257, node heap has 0 buffer(s) Hash table size 69257, node heap has 1 buffer(s) Hash table size 69257, node heap has 1 buffer(s) Hash table size 69257, node heap has 3 buffer(s) Hash table size 69257, node heap has 0 buffer(s) Hash table size 69257, node heap has 0 buffer(s) 1.40 hash searches/s, 0.60 non-hash searches/s --- LOG --- Log sequence number 9307290 Log flushed up to 9307290 Pages flushed up to 9307169 Last checkpoint at 9306918 0 pending log flushes, 0 pending chkp writes 661 log i/o's done, 1.60 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 285212672 Dictionary memory allocated 128256 Buffer pool size 16024 Free buffers 15298 Database pages 718 Old database pages 285 Modified db pages 3 Percent of dirty pages(LRU & free pages): 0.019 Max dirty pages percent: 75.000 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 587, created 131, written 695 0.00 reads/s, 0.00 creates/s, 1.00 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: 718, 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=906, Main thread ID=139620100589312, state: sleeping Number of rows inserted 1, updated 120, deleted 0, read 72852 0.00 inserts/s, 0.40 updates/s, 0.00 deletes/s, 1.20 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================