Console
Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2026-02-10 11:33:04 0x3470 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 31 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 11819 srv_active, 0 srv_shutdown, 1529315 srv_idle srv_master_thread log flush and writes: 1541103 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 117676 OS WAIT ARRAY INFO: signal count 229049 RW-shared spins 478976, rounds 2769845, OS waits 52787 RW-excl spins 485596, rounds 1460327, OS waits 6040 RW-sx spins 751, rounds 9497, OS waits 197 Spin rounds per wait: 5.78 RW-shared, 3.01 RW-excl, 12.65 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 5401994 Purge done for trx's n:o < 5401994 undo n:o < 0 state: running but idle History list length 0 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 284114100383888, 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 34317304 OS file reads, 324480 OS file writes, 136292 OS fsyncs 0.84 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 97, seg size 99, 1183 merges merged operations: insert 10633, delete mark 171, delete 47 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 4441, node heap has 8 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 1 buffer(s) Hash table size 4441, node heap has 20 buffer(s) Hash table size 4441, node heap has 1 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 0.55 hash searches/s, 0.26 non-hash searches/s --- LOG --- Log sequence number 63518244256 Log flushed up to 63518244256 Pages flushed up to 63518244256 Last checkpoint at 63518244247 0 pending log flushes, 0 pending chkp writes 78572 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 2030744 Buffer pool size 1003 Free buffers 598 Database pages 371 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 2590106, not young 1540673820 0.00 youngs/s, 0.00 non-youngs/s Pages read 34316499, created 96072, written 225757 0.84 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 964 / 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: 371, unzip_LRU len: 0 I/O sum[26]: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=3816, Main thread ID=6432, state: sleeping Number of rows inserted 1700101, updated 14867, deleted 1453, read 9059658316 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 170.80 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 531944 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================