Console
Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2026-05-20 15:08:51 0x964 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 59 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 12624 srv_active, 0 srv_shutdown, 1203206 srv_idle srv_master_thread log flush and writes: 1215826 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 15416 OS WAIT ARRAY INFO: signal count 11125 RW-shared spins 5142, rounds 152567, OS waits 5061 RW-excl spins 573, rounds 5261, OS waits 67 RW-sx spins 2, rounds 60, OS waits 2 Spin rounds per wait: 29.67 RW-shared, 9.18 RW-excl, 30.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 35745 Purge done for trx's n:o < 35745 undo n:o < 0 state: running History list length 12 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 284114669220848, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284114669216680, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284114669175000, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284114669212512, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284114669208344, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284114669204176, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284114669200008, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284114669195840, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284114669191672, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284114669187504, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284114669183336, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284114669179168, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284114669170832, 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 31803 OS file reads, 130737 OS file writes, 80733 OS fsyncs 2.17 reads/s, 16384 avg bytes/read, 6.36 writes/s, 2.36 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 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) 7.98 hash searches/s, 17.36 non-hash searches/s --- LOG --- Log sequence number 20007457 Log flushed up to 20007437 Pages flushed up to 20002543 Last checkpoint at 19962198 0 pending log flushes, 0 pending chkp writes 39172 log i/o's done, 1.76 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 287960 Buffer pool size 1003 Free buffers 735 Database pages 260 Old database pages 0 Modified db pages 9 Percent of dirty pages(LRU & free pages): 0.904 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 31684, created 682, written 77567 2.17 reads/s, 0.03 creates/s, 4.34 writes/s Buffer pool hit rate 966 / 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: 260, unzip_LRU len: 0 I/O sum[383]:cur[1], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=2960, Main thread ID=4492, state: sleeping Number of rows inserted 118, updated 16071, deleted 0, read 437883 0.00 inserts/s, 1.39 updates/s, 0.00 deletes/s, 7.78 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 60519 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================