Console
Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2025-02-12 17:37:55 0x278c INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 22 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 4291 srv_active, 0 srv_shutdown, 3593016 srv_idle srv_master_thread log flush and writes: 3597307 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 347916 OS WAIT ARRAY INFO: signal count 346730 RW-shared spins 0, rounds 693447, OS waits 346327 RW-excl spins 0, rounds 316, OS waits 8 RW-sx spins 1, rounds 30, OS waits 1 Spin rounds per wait: 693447.00 RW-shared, 316.00 RW-excl, 30.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 27758 Purge done for trx's n:o < 27758 undo n:o < 0 state: running but idle History list length 10 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 282441126617520, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 282441126613304, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 282441126609088, 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 778199 OS file reads, 48843 OS file writes, 35622 OS fsyncs 0.14 reads/s, 16384 avg bytes/read, 1.05 writes/s, 0.95 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 0 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 2 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 0.86 hash searches/s, 2.09 non-hash searches/s --- LOG --- Log sequence number 13168357 Log flushed up to 13168337 Pages flushed up to 13167129 Last checkpoint at 13167120 0 pending log flushes, 0 pending chkp writes 20739 log i/o's done, 0.68 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 137808 Buffer pool size 1001 Free buffers 740 Database pages 257 Old database pages 0 Modified db pages 3 Percent of dirty pages(LRU & free pages): 0.301 Max dirty pages percent: 75.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 73801, not young 3974139 0.00 youngs/s, 0.00 non-youngs/s Pages read 778138, created 284, written 22810 0.14 reads/s, 0.00 creates/s, 0.27 writes/s Buffer pool hit rate 976 / 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[31]:cur[1], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=14712, Main thread ID=9048, state: sleeping Number of rows inserted 296, updated 4147, deleted 0, read 67900195 0.00 inserts/s, 0.14 updates/s, 0.00 deletes/s, 0.77 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 5086 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================
