Console
Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2025-12-07 20:04:53 0x1d04 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 4 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 90527 srv_active, 0 srv_shutdown, 36956 srv_idle srv_master_thread log flush and writes: 127483 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 104630 OS WAIT ARRAY INFO: signal count 100109 RW-shared spins 48784, rounds 1316096, OS waits 43427 RW-excl spins 921, rounds 16222, OS waits 479 RW-sx spins 39, rounds 1117, OS waits 31 Spin rounds per wait: 26.98 RW-shared, 17.61 RW-excl, 28.64 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 27778804 Purge done for trx's n:o < 27778804 undo n:o < 0 state: running but idle History list length 0 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283686629290272, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283686629286104, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283686629281936, 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 449341 OS file reads, 1420847 OS file writes, 787456 OS fsyncs 1.00 reads/s, 16384 avg bytes/read, 9.75 writes/s, 5.25 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 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 0 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 33.74 hash searches/s, 72.48 non-hash searches/s --- LOG --- Log sequence number 17797621610 Log flushed up to 17797621610 Pages flushed up to 17797621610 Last checkpoint at 17797621601 0 pending log flushes, 0 pending chkp writes 428080 log i/o's done, 2.75 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 247896 Buffer pool size 1003 Free buffers 742 Database pages 256 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 111, not young 8705 0.00 youngs/s, 0.00 non-youngs/s Pages read 449225, created 11721, written 844372 0.00 reads/s, 0.00 creates/s, 0.00 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: 256, unzip_LRU len: 0 I/O sum[389]: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=5156, Main thread ID=7396, state: sleeping Number of rows inserted 449, updated 237385, deleted 27, read 19671219 0.00 inserts/s, 1.00 updates/s, 0.00 deletes/s, 31.74 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 522264 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================