Console
Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2025-11-01 07:33:50 0x1dcc INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 19 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 13828 srv_active, 0 srv_shutdown, 976045 srv_idle srv_master_thread log flush and writes: 989873 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 44940575 OS WAIT ARRAY INFO: signal count 38953190 RW-shared spins 0, rounds 87795177, OS waits 39600705 RW-excl spins 0, rounds 68172759, OS waits 128173 RW-sx spins 5779, rounds 90978, OS waits 2331 Spin rounds per wait: 87795177.00 RW-shared, 68172759.00 RW-excl, 15.74 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 190456855 Purge done for trx's n:o < 190456855 undo n:o < 0 state: running History list length 1 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283307637870904, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 283307637866688, 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 858140153 OS file reads, 1577178 OS file writes, 545205 OS fsyncs 0.05 reads/s, 16384 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 395, seg size 397, 196244 merges merged operations: insert 639876, delete mark 289688, delete 168603 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) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 109712523438 Log flushed up to 109712523438 Pages flushed up to 109712523438 Last checkpoint at 109712523429 0 pending log flushes, 0 pending chkp writes 378282 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 1223424 Buffer pool size 1002 Free buffers 737 Database pages 257 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 381117, not young 13272977192 0.00 youngs/s, 0.00 non-youngs/s Pages read 858139744, created 13065, written 1144618 0.05 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 875 / 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: 257, unzip_LRU len: 0 I/O sum[1]: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=9584, Main thread ID=10432, state: sleeping Number of rows inserted 256610, updated 31446, deleted 68627, read 104854106829 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.68 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 1232266 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================
