Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2024-10-01 16:20:37 0x193c INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 57 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1115 srv_active, 0 srv_shutdown, 30039 srv_idle srv_master_thread log flush and writes: 31154 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 167532 OS WAIT ARRAY INFO: signal count 59707 RW-shared spins 0, rounds 107132, OS waits 15906 RW-excl spins 0, rounds 441490, OS waits 7806 RW-sx spins 2672, rounds 51463, OS waits 835 Spin rounds per wait: 107132.00 RW-shared, 441490.00 RW-excl, 19.26 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 150289205 Purge done for trx's n:o < 150289205 undo n:o < 0 state: running but idle History list length 0 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283667033489720, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 283667033485504, 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 498033 OS file reads, 328492 OS file writes, 123261 OS fsyncs 0.93 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, 42547 merges merged operations: insert 229966, delete mark 103022, delete 84197 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 2 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 87349236650 Log flushed up to 87349236650 Pages flushed up to 87349236650 Last checkpoint at 87349236641 0 pending log flushes, 0 pending chkp writes 105800 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 391 Database pages 602 Old database pages 242 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 27945, not young 15266997 0.04 youngs/s, 5.54 non-youngs/s Pages read 497446, created 3623, written 216787 0.93 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 853 / 1000, young-making rate 5 / 1000 not 870 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 602, unzip_LRU len: 0 I/O sum[47]: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=8292, Main thread ID=10556, state: sleeping Number of rows inserted 94878, updated 3871, deleted 21277, read 15268374 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 35.63 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 29632 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================