Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2024-09-20 14:29:44 0x7f64bc325700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 45 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1598 srv_active, 0 srv_shutdown, 6339 srv_idle srv_master_thread log flush and writes: 7937 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 6798 OS WAIT ARRAY INFO: signal count 5884 RW-shared spins 0, rounds 5563, OS waits 2805 RW-excl spins 0, rounds 299, OS waits 6 RW-sx spins 8, rounds 51, OS waits 0 Spin rounds per wait: 5563.00 RW-shared, 299.00 RW-excl, 6.38 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 41246 Purge done for trx's n:o < 41246 undo n:o < 0 state: running but idle History list length 17 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421545626014200, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421545626009944, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421545626005688, not started 0 lock struct(s), heap size 1136, 0 row lock(s) -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (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: 0 860 OS file reads, 19444 OS file writes, 13429 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 2.09 writes/s, 1.87 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 69257, node heap has 0 buffer(s) Hash table size 69257, node heap has 9 buffer(s) Hash table size 69257, node heap has 2 buffer(s) Hash table size 69257, node heap has 25 buffer(s) Hash table size 69257, node heap has 1 buffer(s) Hash table size 69257, node heap has 3 buffer(s) Hash table size 69257, node heap has 25 buffer(s) Hash table size 69257, node heap has 0 buffer(s) 0.62 hash searches/s, 0.47 non-hash searches/s --- LOG --- Log sequence number 11642266 Log flushed up to 11642266 Pages flushed up to 11642266 Last checkpoint at 11641152 0 pending log flushes, 0 pending chkp writes 8742 log i/o's done, 1.20 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 285212672 Dictionary memory allocated 154976 Buffer pool size 16024 Free buffers 15034 Database pages 925 Old database pages 342 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 0, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 701, created 224, written 9146 0.00 reads/s, 0.00 creates/s, 0.67 writes/s Buffer pool hit rate 1000 / 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: 925, unzip_LRU len: 0 I/O sum[0]:cur[3], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=905, Main thread ID=140069880981248, state: sleeping Number of rows inserted 114, updated 1715, deleted 0, read 664522 0.00 inserts/s, 0.22 updates/s, 0.00 deletes/s, 0.53 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 1328 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================