Console
Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2026-08-01 06:51:48 0x278c INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 51 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 6183 srv_active, 0 srv_shutdown, 445181 srv_idle srv_master_thread log flush and writes: 451364 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 35525 OS WAIT ARRAY INFO: signal count 3815 RW-shared spins 2575, rounds 74389, OS waits 2379 RW-excl spins 1049, rounds 14613, OS waits 253 RW-sx spins 1, rounds 30, OS waits 1 Spin rounds per wait: 28.89 RW-shared, 13.93 RW-excl, 30.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 78000 Purge done for trx's n:o < 78000 undo n:o < 0 state: running History list length 11 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283596261286176, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283596261319520, not started mysql tables in use 1, locked 0 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283596261315352, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283596261311184, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283596261302848, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283596261298680, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283596261294512, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283596261290344, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283596261282008, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283596261277840, 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 7736 OS file reads, 23821 OS file writes, 13538 OS fsyncs 0.75 reads/s, 16384 avg bytes/read, 2.55 writes/s, 1.31 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 94 merges merged operations: insert 94, 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 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) 4.51 hash searches/s, 8.51 non-hash searches/s --- LOG --- Log sequence number 37282486 Log flushed up to 37282486 Pages flushed up to 37277763 Last checkpoint at 37277754 0 pending log flushes, 0 pending chkp writes 8282 log i/o's done, 0.80 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 155248 Buffer pool size 1003 Free buffers 734 Database pages 264 Old database pages 0 Modified db pages 9 Percent of dirty pages(LRU & free pages): 0.901 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 7671, created 251, written 13780 0.75 reads/s, 0.06 creates/s, 1.53 writes/s Buffer pool hit rate 975 / 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: 264, unzip_LRU len: 0 I/O sum[113]: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=852, Main thread ID=3004, state: sleeping Number of rows inserted 543, updated 1832, deleted 256, read 2356660 0.00 inserts/s, 0.53 updates/s, 0.00 deletes/s, 4.12 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 2049 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================