Console
Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2026-04-18 20:34:47 0x105c4 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 16 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 196437 srv_active, 0 srv_shutdown, 731091 srv_idle srv_master_thread log flush and writes: 927511 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 3614208 OS WAIT ARRAY INFO: signal count 2023126 RW-shared spins 1961609, rounds 60727065, OS waits 1875803 RW-excl spins 656525, rounds 19228118, OS waits 585120 RW-sx spins 3886, rounds 29478, OS waits 452 Spin rounds per wait: 30.96 RW-shared, 29.29 RW-excl, 7.59 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 5880045 Purge done for trx's n:o < 5880045 undo n:o < 0 state: running History list length 1 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283577137026248, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577137022080, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577137017912, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577137063760, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577137059592, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577137055424, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577137051256, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577137047088, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577137042920, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577137013744, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577137009576, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577137005408, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577137001240, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577136997072, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577136992904, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577136988736, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577136984568, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577136976232, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577136972064, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577136967896, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577136963728, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283577136980400, 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 3351584 OS file reads, 13099063 OS file writes, 3125367 OS fsyncs 8.06 reads/s, 16384 avg bytes/read, 30.25 writes/s, 7.44 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 3, seg size 5, 4979 merges merged operations: insert 7091, delete mark 3437, delete 1091 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) 14.69 hash searches/s, 15.00 non-hash searches/s --- LOG --- Log sequence number 1294313713 Log flushed up to 1294313693 Pages flushed up to 1294310099 Last checkpoint at 1294308618 0 pending log flushes, 0 pending chkp writes 2217774 log i/o's done, 5.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 1066704 Buffer pool size 1003 Free buffers 755 Database pages 240 Old database pages 0 Modified db pages 94 Percent of dirty pages(LRU & free pages): 9.438 Max dirty pages percent: 75.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 4784, not young 1283640 0.00 youngs/s, 0.00 non-youngs/s Pages read 3351539, created 61833, written 10442642 8.06 reads/s, 0.12 creates/s, 24.19 writes/s Buffer pool hit rate 946 / 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: 240, unzip_LRU len: 0 I/O sum[1660]:cur[67], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=3892, Main thread ID=2380, state: sleeping Number of rows inserted 200733, updated 2937188, deleted 15902, read 164166357 0.00 inserts/s, 7.31 updates/s, 0.00 deletes/s, 14.44 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 477056 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================