Supports transactions, row-level locking, foreign keys and encryption for tables
[ Değişkenler | Arabellek Havuzu | InnoDB Durumu ]
===================================== 2024-11-15 16:01:42 0x7fdf88072700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 58 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 325 srv_active, 0 srv_shutdown, 6866 srv_idle srv_master_thread log flush and writes: 7187 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 2602 OS WAIT ARRAY INFO: signal count 1788 RW-shared spins 0, rounds 1039, OS waits 519 RW-excl spins 0, rounds 330, OS waits 11 RW-sx spins 0, rounds 0, OS waits 0 Spin rounds per wait: 1039.00 RW-shared, 330.00 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 38128 Purge done for trx's n:o < 38127 undo n:o < 0 state: running but idle History list length 2 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 422073032638968, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 422073032634712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 422073032630456, 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: 0 854 OS file reads, 3847 OS file writes, 2681 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 1.26 writes/s, 0.52 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 1 buffer(s) Hash table size 69257, node heap has 10 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 26 buffer(s) Hash table size 69257, node heap has 0 buffer(s) 0.28 hash searches/s, 0.45 non-hash searches/s --- LOG --- Log sequence number 9522668 Log flushed up to 9522668 Pages flushed up to 9522668 Last checkpoint at 9522659 0 pending log flushes, 0 pending chkp writes 1715 log i/o's done, 0.34 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 285212672 Dictionary memory allocated 128256 Buffer pool size 16024 Free buffers 15130 Database pages 826 Old database pages 324 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 695, created 131, written 1816 0.00 reads/s, 0.00 creates/s, 0.86 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: 826, unzip_LRU len: 0 I/O sum[0]: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=906, Main thread ID=140597289543424, state: sleeping Number of rows inserted 1, updated 343, deleted 0, read 913799 0.00 inserts/s, 0.09 updates/s, 0.00 deletes/s, 4.14 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 1851 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================