Console
Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2026-01-24 01:52:15 0x7eff124696c0 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 16 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 10699 srv_active, 0 srv_shutdown, 280906 srv_idle srv_master_thread log flush and writes: 291555 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 30119 OS WAIT ARRAY INFO: signal count 22843 RW-shared spins 2079, rounds 62340, OS waits 2073 RW-excl spins 41, rounds 1327, OS waits 39 RW-sx spins 0, rounds 0, OS waits 0 Spin rounds per wait: 29.99 RW-shared, 32.37 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 86453 Purge done for trx's n:o < 86453 undo n:o < 0 state: running but idle History list length 5 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421109196182248, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421109196207544, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421109196178032, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421109196165384, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421109196203328, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421109196194896, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421109196190680, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421109196186464, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421109196173816, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421109196169600, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 421109196161168, not started 0 lock struct(s), heap size 1128, 0 row lock(s) -------- FILE I/O -------- I/O thread 0 state: waiting for i/o request (insert buffer thread) I/O thread 1 state: waiting for i/o request (log thread) I/O thread 2 state: waiting for i/o request (read thread) I/O thread 3 state: waiting for i/o request (read thread) I/O thread 4 state: waiting for i/o request (read thread) I/O thread 5 state: waiting for i/o request (read thread) I/O thread 6 state: waiting for i/o request (write thread) I/O thread 7 state: waiting for i/o request (write thread) I/O thread 8 state: waiting for i/o request (write thread) I/O thread 9 state: waiting for i/o request (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 26697 OS file reads, 186360 OS file writes, 93125 OS fsyncs 3.94 reads/s, 16384 avg bytes/read, 7.25 writes/s, 7.00 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 0 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 0 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 0 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 20.62 hash searches/s, 77.00 non-hash searches/s --- LOG --- Log sequence number 37732580 Log flushed up to 37732560 Pages flushed up to 37646208 Last checkpoint at 37643652 0 pending log flushes, 0 pending chkp writes 48691 log i/o's done, 5.19 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 75640 Buffer pool size 1002 Free buffers 741 Database pages 258 Old database pages 0 Modified db pages 133 Percent of dirty pages(LRU & free pages): 13.300 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 26663, created 1172, written 120704 3.94 reads/s, 0.00 creates/s, 1.19 writes/s Buffer pool hit rate 984 / 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: 258, unzip_LRU len: 0 I/O sum[112]:cur[3], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=286, Main thread ID=139633892763328, state: sleeping Number of rows inserted 56, updated 32676, deleted 0, read 584243 0.00 inserts/s, 4.31 updates/s, 0.00 deletes/s, 35.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 25581 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================