Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variabel | Penampungan Penyangga | Status InnoDB ]
===================================== 2026-04-15 22:32:02 0x7be4ecad36c0 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 52 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1944 srv_active, 0 srv_shutdown, 1956531 srv_idle srv_master_thread log flush and writes: 1958433 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 46810 OS WAIT ARRAY INFO: signal count 54273 RW-shared spins 48040, rounds 1001716, OS waits 26555 RW-excl spins 62527, rounds 436015, OS waits 4003 RW-sx spins 1383, rounds 36030, OS waits 685 Spin rounds per wait: 20.85 RW-shared, 6.97 RW-excl, 26.05 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 297805 Purge done for trx's n:o < 297803 undo n:o < 0 state: running but idle History list length 1 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 417698079806544, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 417698079802328, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 417698079798112, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 417698079793896, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 417698079789680, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 417698079785464, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 417698079781248, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 417698079777032, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 417698079772816, not started 0 lock struct(s), heap size 1128, 0 row lock(s) -------- FILE I/O -------- I/O thread 0 state: waiting for i/o request (insert buffer thread) I/O thread 1 state: waiting for i/o request (log thread) I/O thread 2 state: waiting for i/o request (read thread) I/O thread 3 state: waiting for i/o request (read thread) I/O thread 4 state: waiting for i/o request (read thread) I/O thread 5 state: waiting for i/o request (read thread) I/O thread 6 state: waiting for i/o request (write thread) I/O thread 7 state: waiting for i/o request (write thread) I/O thread 8 state: waiting for i/o request (write thread) I/O thread 9 state: waiting for i/o request (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 1294042 OS file reads, 76849 OS file writes, 16443 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.73 writes/s, 0.42 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 12, seg size 14, 10260 merges merged operations: insert 48682, delete mark 359, delete 71 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 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) 2.67 hash searches/s, 5.60 non-hash searches/s --- LOG --- Log sequence number 13657482373 Log flushed up to 13657482373 Pages flushed up to 13657482373 Last checkpoint at 13657482364 0 pending log flushes, 0 pending chkp writes 7783 log i/o's done, 0.19 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 92720 Buffer pool size 1003 Free buffers 740 Database pages 256 Old database pages 0 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 81867, not young 58411691 0.00 youngs/s, 0.00 non-youngs/s Pages read 1294002, created 1381, written 65717 0.00 reads/s, 0.00 creates/s, 0.44 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: 256, unzip_LRU len: 0 I/O sum[13]: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=313019, Main thread ID=136221909042880, state: sleeping Number of rows inserted 30755, updated 130088, deleted 2, read 149840285 0.00 inserts/s, 0.02 updates/s, 0.00 deletes/s, 1.02 reads/s Number of system rows inserted 6, updated 0, deleted 0, read 879 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================