Supports transactions, row-level locking, foreign keys and encryption for tables
[ Переменные | Буферный пул | Состояние InnoDB ]
===================================== 2025-07-10 07:49:00 0x7f385031a700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 54 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 24718 srv_active, 0 srv_shutdown, 452138 srv_idle srv_master_thread log flush and writes: 476764 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 67610 OS WAIT ARRAY INFO: signal count 57265 RW-shared spins 20057, rounds 601242, OS waits 19960 RW-excl spins 15, rounds 450, OS waits 15 RW-sx spins 0, rounds 0, OS waits 0 Spin rounds per wait: 29.98 RW-shared, 30.00 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 173689 Purge done for trx's n:o < 173670 undo n:o < 0 state: running but idle History list length 2 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421354851524872, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421354851520656, not started 0 lock struct(s), heap size 1128, 0 row lock(s) -------- FILE I/O -------- I/O thread 0 state: waiting for i/o request (insert buffer thread) I/O thread 1 state: waiting for i/o request (log thread) I/O thread 2 state: waiting for i/o request (read thread) I/O thread 3 state: waiting for i/o request (read thread) I/O thread 4 state: waiting for i/o request (read thread) I/O thread 5 state: waiting for i/o request (read thread) I/O thread 6 state: waiting for i/o request (write thread) I/O thread 7 state: waiting for i/o request (write thread) I/O thread 8 state: waiting for i/o request (write thread) I/O thread 9 state: waiting for i/o request (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 151012 OS file reads, 258464 OS file writes, 173831 OS fsyncs 0.04 reads/s, 16384 avg bytes/read, 0.19 writes/s, 0.17 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 1 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 0 buffer(s) Hash table size 4441, node heap has 1 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 0.80 hash searches/s, 0.78 non-hash searches/s --- LOG --- Log sequence number 191718337 Log flushed up to 191718337 Pages flushed up to 191718337 Last checkpoint at 191718328 0 pending log flushes, 0 pending chkp writes 92114 log i/o's done, 0.11 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 107360 Buffer pool size 1003 Free buffers 740 Database pages 257 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 2732, not young 1837168 0.00 youngs/s, 0.00 non-youngs/s Pages read 150964, created 1057, written 138937 0.04 reads/s, 0.00 creates/s, 0.06 writes/s Buffer pool hit rate 988 / 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: 257, unzip_LRU len: 0 I/O sum[5]: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=281008, Main thread ID=139879283414784, state: sleeping Number of rows inserted 1, updated 27518, deleted 0, read 13534255 0.00 inserts/s, 0.02 updates/s, 0.00 deletes/s, 0.30 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 40052 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================