Console
Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2026-01-30 15:42:03 0x4958 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 22 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 51353 srv_active, 0 srv_shutdown, 1831283 srv_idle srv_master_thread log flush and writes: 1882636 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 2602881 OS WAIT ARRAY INFO: signal count 217623 RW-shared spins 89725, rounds 2411667, OS waits 65282 RW-excl spins 30299, rounds 124040, OS waits 910 RW-sx spins 808, rounds 12614, OS waits 286 Spin rounds per wait: 26.88 RW-shared, 4.09 RW-excl, 15.61 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 529989 Purge done for trx's n:o < 529989 undo n:o < 0 state: running History list length 2 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283322623004888, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283322623000720, 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 3408464 OS file reads, 1827742 OS file writes, 681065 OS fsyncs 0.00 reads/s, 0 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, 1 merges merged operations: insert 0, delete mark 1, 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 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 1 buffer(s) Hash table size 4441, node heap has 1 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 0.86 hash searches/s, 1.45 non-hash searches/s --- LOG --- Log sequence number 1208403010 Log flushed up to 1208403010 Pages flushed up to 1208403010 Last checkpoint at 1208403001 0 pending log flushes, 0 pending chkp writes 416697 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 388120 Buffer pool size 1003 Free buffers 739 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 12479, not young 72418 0.00 youngs/s, 0.00 non-youngs/s Pages read 3408428, created 40069, written 1314202 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: 256, 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=7696, Main thread ID=280, state: sleeping Number of rows inserted 68428, updated 113875, deleted 59461, read 25794855 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.91 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 119732 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================