Supports transactions, row-level locking, and foreign keys
[ متغییرها | Buffer Pool | InnoDB حالت ]
===================================== 2024-09-19 19:12:44 0x7f9bc519b700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 38 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 266 srv_active, 0 srv_shutdown, 435 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1591 OS WAIT ARRAY INFO: signal count 1594 RW-shared spins 439, rounds 850, OS waits 411 RW-excl spins 330, rounds 2839, OS waits 51 RW-sx spins 1, rounds 30, OS waits 1 Spin rounds per wait: 1.94 RW-shared, 8.60 RW-excl, 30.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 25878 Purge done for trx's n:o < 25877 undo n:o < 0 state: running but idle History list length 5 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421783044459112, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421783044458240, 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 1540 OS file reads, 47400 OS file writes, 24312 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 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 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 5 buffer(s) Hash table size 34679, node heap has 10 buffer(s) 2153.26 hash searches/s, 453.07 non-hash searches/s --- LOG --- Log sequence number 68670969 Log buffer assigned up to 68670969 Log buffer completed up to 68670969 Log written up to 68670969 Log flushed up to 68670969 Added dirty pages up to 68670969 Pages flushed up to 68670969 Last checkpoint at 68670969 37641 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 3463948 Buffer pool size 8192 Free buffers 4335 Database pages 3827 Old database pages 1392 Modified db pages 0 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 3624, not young 1380 0.00 youngs/s, 0.00 non-youngs/s Pages read 1409, created 2457, written 8299 0.00 reads/s, 0.00 creates/s, 0.00 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: 3827, unzip_LRU len: 0 I/O sum[12]: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=367, Main thread ID=140307560589056 , state=sleeping Number of rows inserted 22777, updated 11904, deleted 3643, read 1712992 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 3203.18 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================