Motores de almacenamiento

InnoDB

Supports transactions, row-level locking, foreign keys and encryption for tables

[ Variables | Reserva de búfers | Estado del InnoDB ]

=====================================
2026-06-20 16:11:14 0x4d98 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 36 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 15703 srv_active, 0 srv_shutdown, 83057 srv_idle
srv_master_thread log flush and writes: 98760
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 103748
OS WAIT ARRAY INFO: signal count 44106
RW-shared spins 19400, rounds 395892, OS waits 12083
RW-excl spins 44535, rounds 161148, OS waits 663
RW-sx spins 575, rounds 7474, OS waits 101
Spin rounds per wait: 20.41 RW-shared, 3.62 RW-excl, 13.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 98840
Purge done for trx's n:o < 98840 undo n:o < 0 state: running
History list length 2
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283187676497024, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676492856, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676488688, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676484520, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676480352, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676476184, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676472016, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676467848, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676463680, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676459512, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676455344, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676451176, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676447008, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676442840, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676438672, 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
67953 OS file reads, 187365 OS file writes, 110509 OS fsyncs
1.58 reads/s, 16384 avg bytes/read, 9.64 writes/s, 5.47 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 0 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)
5.64 hash searches/s, 19.94 non-hash searches/s
---
LOG
---
Log sequence number 168431872
Log flushed up to   168431852
Pages flushed up to 168428564
Last checkpoint at  168428539
0 pending log flushes, 0 pending chkp writes
57945 log i/o's done, 2.64 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 778744
Buffer pool size   1003
Free buffers       735
Database pages     261
Old database pages 0
Modified db pages  16
Percent of dirty pages(LRU & free pages): 1.605
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 1146, not young 30620
0.00 youngs/s, 0.00 non-youngs/s
Pages read 67623, created 5754, written 110805
1.58 reads/s, 0.03 creates/s, 5.97 writes/s
Buffer pool hit rate 982 / 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: 261, unzip_LRU len: 0
I/O sum[455]:cur[4], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=5360, Main thread ID=6716, state: sleeping
Number of rows inserted 108676, updated 21445, deleted 97, read 2548509
0.00 inserts/s, 1.28 updates/s, 0.00 deletes/s, 123.02 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 97203
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================