Console
Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2026-09-15 09:23:39 0x4510 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 8 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 51252 srv_active, 0 srv_shutdown, 5303177 srv_idle srv_master_thread log flush and writes: 5354429 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 5905263 OS WAIT ARRAY INFO: signal count 1546276 RW-shared spins 0, rounds 1923437, OS waits 378788 RW-excl spins 0, rounds 5257513, OS waits 90091 RW-sx spins 17903, rounds 278084, OS waits 6954 Spin rounds per wait: 1923437.00 RW-shared, 5257513.00 RW-excl, 15.53 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 205023658 Purge done for trx's n:o < 205023658 undo n:o < 0 state: running History list length 1 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283187688243512, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 283187688239296, not started 0 lock struct(s), heap size 1136, 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 19281584 OS file reads, 6854451 OS file writes, 2356385 OS fsyncs 14.87 reads/s, 16384 avg bytes/read, 1.37 writes/s, 1.37 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 395, seg size 397, 977347 merges merged operations: insert 2840385, delete mark 1311489, delete 878238 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 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) 0.87 hash searches/s, 15.50 non-hash searches/s --- LOG --- Log sequence number 117512968902 Log flushed up to 117512968902 Pages flushed up to 117512968902 Last checkpoint at 117512968893 0 pending log flushes, 0 pending chkp writes 1762397 log i/o's done, 0.75 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 1254528 Buffer pool size 1002 Free buffers 679 Database pages 316 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 1037411, not young 889109404 0.87 youngs/s, 630.92 non-youngs/s Pages read 19280985, created 61996, written 4919659 14.87 reads/s, 0.00 creates/s, 0.37 writes/s Buffer pool hit rate 979 / 1000, young-making rate 1 / 1000 not 853 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 316, unzip_LRU len: 0 I/O sum[1594]:cur[11], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=9096, Main thread ID=10432, state: sleeping Number of rows inserted 1193690, updated 152895, deleted 330685, read 860042452 0.00 inserts/s, 0.12 updates/s, 0.00 deletes/s, 667.54 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 327767 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================
