Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, and foreign keys
[
Variables
|
Reserva de búfers
|
Estado del InnoDB
]
=====================================
2025-09-16 19:20:35 0x7fbb4006b700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 43 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 8 srv_active, 0 srv_shutdown, 278 srv_idle
srv_master_thread log flush and writes: 0
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 15
OS WAIT ARRAY INFO: signal count 10
RW-shared spins 0, rounds 0, OS waits 0
RW-excl spins 1, rounds 0, OS waits 0
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 0.00 RW-shared, 0.00 RW-excl, 0.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 9751
Purge done for trx's n:o < 9750 undo n:o < 0 state: running but idle
History list length 53
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421917230774888, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421917230774016, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
--------
FILE I/O
--------
I/O thread 0 state: waiting for completed aio requests (insert buffer thread)
I/O thread 1 state: waiting for completed aio requests (log thread)
I/O thread 2 state: waiting for completed aio requests (read thread)
I/O thread 3 state: waiting for completed aio requests (read thread)
I/O thread 4 state: waiting for completed aio requests (read thread)
I/O thread 5 state: waiting for completed aio requests (read thread)
I/O thread 6 state: waiting for completed aio requests (write thread)
I/O thread 7 state: waiting for completed aio requests (write thread)
I/O thread 8 state: waiting for completed aio requests (write thread)
I/O thread 9 state: waiting for completed aio requests (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
1181 OS file reads, 258 OS file writes, 70 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 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 34679, node heap has 0 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 0 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 0 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 6 buffer(s)
230.95 hash searches/s, 111.58 non-hash searches/s
---
LOG
---
Log sequence number 50950884
Log buffer assigned up to 50950884
Log buffer completed up to 50950884
Log written up to 50950884
Log flushed up to 50950884
Added dirty pages up to 50950884
Pages flushed up to 50950884
Last checkpoint at 50950884
34 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 432178
Buffer pool size 8192
Free buffers 6950
Database pages 1230
Old database pages 434
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 113, not young 1999
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1088, created 148, written 179
0.00 reads/s, 0.00 creates/s, 0.00 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: 1230, unzip_LRU len: 0
I/O sum[0]: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=367, Main thread ID=140441744779008 , state=sleeping
Number of rows inserted 137, updated 320, deleted 0, read 60952
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 403.36 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================
