Console
Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2026-06-12 00:23:17 0x2e50 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 53 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 472 srv_active, 0 srv_shutdown, 22141 srv_idle srv_master_thread log flush and writes: 22613 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 38887 OS WAIT ARRAY INFO: signal count 944 RW-shared spins 453, rounds 13312, OS waits 407 RW-excl spins 92, rounds 3111, OS waits 88 RW-sx spins 1, rounds 30, OS waits 0 Spin rounds per wait: 29.39 RW-shared, 33.82 RW-excl, 30.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 23430 Purge done for trx's n:o < 23430 undo n:o < 0 state: running but idle History list length 1 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283834829734248, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283834829730080, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283834829742584, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283834829738416, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283834829725912, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283834829721744, 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 4166 OS file reads, 7500 OS file writes, 3697 OS fsyncs 0.47 reads/s, 16384 avg bytes/read, 0.26 writes/s, 0.21 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 19 merges merged operations: insert 19, 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 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) 0.36 hash searches/s, 18.87 non-hash searches/s --- LOG --- Log sequence number 24971201 Log flushed up to 24971181 Pages flushed up to 24966433 Last checkpoint at 24964377 0 pending log flushes, 0 pending chkp writes 2327 log i/o's done, 0.11 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 230368 Buffer pool size 1003 Free buffers 731 Database pages 266 Old database pages 0 Modified db pages 13 Percent of dirty pages(LRU & free pages): 1.303 Max dirty pages percent: 75.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 13, not young 212 0.00 youngs/s, 0.00 non-youngs/s Pages read 4071, created 193, written 4644 0.47 reads/s, 0.04 creates/s, 0.11 writes/s Buffer pool hit rate 981 / 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: 266, unzip_LRU len: 0 I/O sum[9]:cur[22], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=6984, Main thread ID=8840, state: sleeping Number of rows inserted 9, updated 1213, deleted 0, read 264495 0.00 inserts/s, 0.09 updates/s, 0.00 deletes/s, 7.58 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 1650 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================