Console
Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2026-07-29 23:55:48 0x1f50 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 41 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 0 srv_active, 0 srv_shutdown, 400556 srv_idle srv_master_thread log flush and writes: 400556 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 4893 OS WAIT ARRAY INFO: signal count 3577 RW-shared spins 1890, rounds 56644, OS waits 1884 RW-excl spins 14, rounds 420, OS waits 14 RW-sx spins 1, rounds 30, OS waits 1 Spin rounds per wait: 29.97 RW-shared, 30.00 RW-excl, 30.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 4435 Purge done for trx's n:o < 4435 undo n:o < 0 state: running but idle History list length 8 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283553554539048, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283553554534832, not started mysql tables in use 1, locked 0 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283553554530616, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283553554526400, 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: 0 331 OS file reads, 17331 OS file writes, 10889 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 1.49 writes/s, 0.56 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 0 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 1.29 hash searches/s, 2.95 non-hash searches/s --- LOG --- Log sequence number 2767411 Log flushed up to 2767411 Pages flushed up to 2767411 Last checkpoint at 2767402 0 pending log flushes, 0 pending chkp writes 7033 log i/o's done, 0.41 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 82432 Buffer pool size 1003 Free buffers 510 Database pages 491 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 0, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 295, created 196, written 9012 0.00 reads/s, 0.00 creates/s, 1.02 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: 491, 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=1112, Main thread ID=2780, state: sleeping Number of rows inserted 2, updated 1967, deleted 0, read 17019 0.00 inserts/s, 0.22 updates/s, 0.00 deletes/s, 1.29 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 1090 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================
