Console
Motori di memorizzazione
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variabili | Buffer Pool | Stato InnoDB ]
===================================== 2026-05-25 16:10:30 0x1624 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 52 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2080 srv_active, 0 srv_shutdown, 825906 srv_idle srv_master_thread log flush and writes: 827986 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 79330 OS WAIT ARRAY INFO: signal count 3074 RW-shared spins 0, rounds 5898, OS waits 2778 RW-excl spins 0, rounds 684, OS waits 5 RW-sx spins 2, rounds 60, OS waits 0 Spin rounds per wait: 5898.00 RW-shared, 684.00 RW-excl, 30.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 111219 Purge done for trx's n:o < 111219 undo n:o < 0 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 282955550061816, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 282955550057600, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 282955550040736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 282955550053384, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 282955550049168, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 282955550028088, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 282955550044952, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 282955550032304, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 282955550036520, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 282955550023872, 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 6901 OS file reads, 30621 OS file writes, 18553 OS fsyncs 5.52 reads/s, 16384 avg bytes/read, 14.31 writes/s, 7.23 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 11, seg size 13, 0 merges merged operations: insert 0, delete mark 0, 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 0 buffer(s) Hash table size 4441, node heap has 0 buffer(s) Hash table size 4441, node heap has 0 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 0 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 9.19 hash searches/s, 65.17 non-hash searches/s --- LOG --- Log sequence number 44062970 Log flushed up to 44062970 Pages flushed up to 44042551 Last checkpoint at 44039873 0 pending log flushes, 0 pending chkp writes 12091 log i/o's done, 4.56 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 93312 Buffer pool size 1002 Free buffers 740 Database pages 259 Old database pages 0 Modified db pages 60 Percent of dirty pages(LRU & free pages): 6.000 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 6862, created 255, written 16146 5.52 reads/s, 0.10 creates/s, 8.54 writes/s Buffer pool hit rate 969 / 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: 259, unzip_LRU len: 0 I/O sum[781]:cur[10], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=2908, Main thread ID=3812, state: sleeping Number of rows inserted 0, updated 3805, deleted 0, read 2349317 0.00 inserts/s, 3.58 updates/s, 0.00 deletes/s, 130.54 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 4666 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 3.81 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================
