Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2026-11-03 08:11:51 0x2288 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 41 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 0 srv_active, 0 srv_shutdown, 14560 srv_idle srv_master_thread log flush and writes: 14560 ---------- SEMAPHORES ---------- ------------ TRANSACTIONS ------------ Trx id counter 15614 Purge done for trx's n:o < 15614 undo n:o < 0 state: running History list length 8 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION (0000026D1B335B40), not started 0 lock struct(s), heap size 1128, 0 row lock(s) -------- FILE I/O -------- Pending flushes (fsync): 0 761 OS file reads, 552 OS file writes, 9129 OS fsyncs 0.27 reads/s, 16384 avg bytes/read, 0.00 writes/s, 5.41 fsyncs/s --- LOG --- Log sequence number 11452862 Log flushed up to 11452862 Pages flushed up to 10156236 Last checkpoint at 10156236 ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 197464 Buffer pool size 1014 Free buffers 821 Database pages 193 Old database pages 0 Modified db pages 145 Percent of dirty pages(LRU & free pages): 14.286 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0 Pages made young 0, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 699, created 166, written 546 0.27 reads/s, 0.02 creates/s, 0.00 writes/s Buffer pool hit rate 999 / 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: 193, unzip_LRU len: 0 I/O sum[9]:cur[3], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 read views open inside InnoDB state: sleeping ---------------------------- END OF INNODB MONITOR OUTPUT ============================