Speicher-Engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variablen | Puffer-Pool | InnoDB-Status ]
===================================== 2026-05-26 20:01:45 0x6a2c INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 19 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 15817 srv_active, 0 srv_shutdown, 15403 srv_idle srv_master_thread log flush and writes: 31220 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 13655 OS WAIT ARRAY INFO: signal count 12972 RW-shared spins 4508, rounds 132968, OS waits 4413 RW-excl spins 1377, rounds 31530, OS waits 977 RW-sx spins 16, rounds 416, OS waits 12 Spin rounds per wait: 29.50 RW-shared, 22.90 RW-excl, 26.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 72878 Purge done for trx's n:o < 72878 undo n:o < 0 state: running but idle History list length 7 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 284636351062952, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284636351058784, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284636351054616, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284636351050448, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284636351046280, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284636351042112, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284636351037944, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284636351033776, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284636351029608, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284636351025440, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284636351021272, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 284636351017104, not started 0 lock struct(s), heap size 1128, 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 74005 OS file reads, 176679 OS file writes, 98223 OS fsyncs 2.84 reads/s, 16384 avg bytes/read, 9.00 writes/s, 5.26 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 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 1 buffer(s) Hash table size 4441, node heap has 1 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 10.32 hash searches/s, 29.79 non-hash searches/s --- LOG --- Log sequence number 52364932 Log flushed up to 52364932 Pages flushed up to 52364932 Last checkpoint at 52361258 0 pending log flushes, 0 pending chkp writes 51622 log i/o's done, 2.84 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 959032 Buffer pool size 1003 Free buffers 739 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 711, not young 8629 0.00 youngs/s, 0.00 non-youngs/s Pages read 73613, created 1509, written 107355 2.84 reads/s, 0.05 creates/s, 5.10 writes/s Buffer pool hit rate 976 / 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[470]: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=3932, Main thread ID=18616, state: sleeping Number of rows inserted 130, updated 26803, deleted 29, read 866550 0.00 inserts/s, 1.74 updates/s, 0.00 deletes/s, 126.78 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 238309 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================