Console
Storage engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2026-10-29 01:54:23 0x2488 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 49 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2115466 srv_active, 0 srv_shutdown, 1868859 srv_idle srv_master_thread log flush and writes: 3984325 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 4623618 OS WAIT ARRAY INFO: signal count 4353864 RW-shared spins 3378566, rounds 87649313, OS waits 2906738 RW-excl spins 1995851, rounds 4040557, OS waits 3924 RW-sx spins 418, rounds 8870, OS waits 271 Spin rounds per wait: 25.94 RW-shared, 2.02 RW-excl, 21.22 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 12911373 Purge done for trx's n:o < 12911373 undo n:o < 0 state: running History list length 6 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283442256409296, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283442256405128, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283442256400960, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283442256396792, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283442256392624, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283442256388456, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283442256384288, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283442256380120, not started 0 lock struct(s), heap size 1128, 0 row lock(s) ---TRANSACTION 283442256375952, 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 17554302 OS file reads, 46458715 OS file writes, 20856375 OS fsyncs 4.63 reads/s, 16384 avg bytes/read, 13.14 writes/s, 6.47 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 5668 merges merged operations: insert 7836, delete mark 4, delete 2 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 2 buffer(s) Hash table size 4441, node heap has 1 buffer(s) 25.94 hash searches/s, 54.39 non-hash searches/s --- LOG --- Log sequence number 5466745320 Log flushed up to 5466745287 Pages flushed up to 5466744293 Last checkpoint at 5466744239 0 pending log flushes, 0 pending chkp writes 12899230 log i/o's done, 3.67 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 33554432 Dictionary memory allocated 175280 Buffer pool size 1003 Free buffers 735 Database pages 259 Old database pages 0 Modified db pages 8 Percent of dirty pages(LRU & free pages): 0.804 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 17554242, created 226968, written 30826833 4.63 reads/s, 0.08 creates/s, 8.43 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: 259, unzip_LRU len: 0 I/O sum[649]: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=4648, Main thread ID=6396, state: sleeping Number of rows inserted 7787, updated 5676340, deleted 443, read 9757540550 0.00 inserts/s, 1.86 updates/s, 0.00 deletes/s, 26.06 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 9198 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================