Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[
Variables
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Reserva de búfers
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Estado del InnoDB
]
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2026-10-13 20:28:41 0x7fb4745b4640 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 51 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 39915 srv_active, 0 srv_shutdown, 61545 srv_idle
srv_master_thread log flush and writes: 101459
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 1442910
OS WAIT ARRAY INFO: signal count 1269382
RW-shared spins 1273179, rounds 22484738, OS waits 661539
RW-excl spins 855764, rounds 2886848, OS waits 20381
RW-sx spins 9347, rounds 54955, OS waits 1353
Spin rounds per wait: 17.66 RW-shared, 3.37 RW-excl, 5.88 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 585032
Purge done for trx's n:o < 585032 undo n:o < 0 state: running
History list length 1
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421888009117960, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421888009113744, 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
29506761 OS file reads, 2133957 OS file writes, 532391 OS fsyncs
150.29 reads/s, 16384 avg bytes/read, 30.92 writes/s, 12.94 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
Ibuf: size 1, free list len 405, seg size 407, 538259 merges
merged operations:
insert 4630327, delete mark 836, delete 313
discarded operations:
insert 0, delete mark 0, delete 0
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)
Hash table size 4441, node heap has 2 buffer(s)
170.39 hash searches/s, 298.07 non-hash searches/s
---
LOG
---
Log sequence number 23418630849
Log flushed up to 23418630829
Pages flushed up to 23418616886
Last checkpoint at 23418574087
0 pending log flushes, 0 pending chkp writes
266422 log i/o's done, 8.16 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 946720
Buffer pool size 1003
Free buffers 700
Database pages 295
Old database pages 0
Modified db pages 28
Percent of dirty pages(LRU & free pages): 2.811
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 1468609, not young 405952886
13.57 youngs/s, 363.05 non-youngs/s
Pages read 29506453, created 156189, written 1775450
150.29 reads/s, 0.25 creates/s, 21.18 writes/s
Buffer pool hit rate 915 / 1000, young-making rate 7 / 1000 not 204 / 1000
Pages read ahead 14.31/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 295, unzip_LRU len: 0
I/O sum[7971]:cur[48], unzip sum[0]:cur[0]
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ROW OPERATIONS
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0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=16363, Main thread ID=140412169725504, state: sleeping
Number of rows inserted 6742267, updated 65970, deleted 20885, read 2472967133
0.33 inserts/s, 6.18 updates/s, 0.41 deletes/s, 2715.97 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 142323
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 7.88 reads/s
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END OF INNODB MONITOR OUTPUT
============================
