Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2024-12-12 09:48:00 0x11a8 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 7 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2965 srv_active, 0 srv_shutdown, 238523 srv_idle srv_master_thread log flush and writes: 241488 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 152498 OS WAIT ARRAY INFO: signal count 14534 RW-shared spins 0, rounds 7742, OS waits 3808 RW-excl spins 0, rounds 7313, OS waits 236 RW-sx spins 129, rounds 2947, OS waits 95 Spin rounds per wait: 7742.00 RW-shared, 7313.00 RW-excl, 22.84 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 3569042 Purge done for trx's n:o < 3569042 undo n:o < 0 state: running but idle History list length 2 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 281475181265448, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 281475181261232, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 281475181257016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 281475181252800, 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 40088 OS file reads, 38186 OS file writes, 24971 OS fsyncs 1.14 reads/s, 16384 avg bytes/read, 3.29 writes/s, 1.71 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 41 merges merged operations: insert 488, delete mark 3, 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 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 1 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 4.43 hash searches/s, 13.57 non-hash searches/s --- LOG --- Log sequence number 1012452506 Log flushed up to 1012452486 Pages flushed up to 1012450232 Last checkpoint at 1012450223 0 pending log flushes, 0 pending chkp writes 13986 log i/o's done, 1.43 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 2576448 Buffer pool size 1002 Free buffers 740 Database pages 256 Old database pages 0 Modified db pages 5 Percent of dirty pages(LRU & free pages): 0.502 Max dirty pages percent: 75.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 1133, not young 136652 0.00 youngs/s, 0.00 non-youngs/s Pages read 38966, created 269, written 20312 1.14 reads/s, 0.00 creates/s, 1.71 writes/s Buffer pool hit rate 983 / 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[150]: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=4128, Main thread ID=3944, state: sleeping Number of rows inserted 2946, updated 2141, deleted 97, read 7802683 0.00 inserts/s, 0.29 updates/s, 0.00 deletes/s, 47.28 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 27285 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================