Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, and foreign keys
[
Variables
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Reserva de búfers
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Estado del InnoDB
]
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2024-12-20 17:39:06 0x7f21280cd700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 10 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 32 srv_active, 0 srv_shutdown, 465 srv_idle
srv_master_thread log flush and writes: 0
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 57
OS WAIT ARRAY INFO: signal count 57
RW-shared spins 1, rounds 1, OS waits 0
RW-excl spins 3, rounds 90, OS waits 3
RW-sx spins 1, rounds 4, OS waits 0
Spin rounds per wait: 1.00 RW-shared, 30.00 RW-excl, 4.00 RW-sx
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TRANSACTIONS
------------
Trx id counter 9913
Purge done for trx's n:o < 9908 undo n:o < 0 state: running but idle
History list length 19
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421255923645032, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421255923644160, 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
1279 OS file reads, 1217 OS file writes, 423 OS fsyncs
0.20 reads/s, 16384 avg bytes/read, 6.20 writes/s, 2.30 fsyncs/s
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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 1 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 1 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 6 buffer(s)
1120.69 hash searches/s, 109.19 non-hash searches/s
---
LOG
---
Log sequence number 51046538
Log buffer assigned up to 51046538
Log buffer completed up to 51046538
Log written up to 51046538
Log flushed up to 51046538
Added dirty pages up to 51046538
Pages flushed up to 51046538
Last checkpoint at 51046538
283 log i/o's done, 2.70 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 679216
Buffer pool size 8192
Free buffers 6869
Database pages 1308
Old database pages 462
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 380, not young 1662
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1148, created 345, written 725
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: 1308, unzip_LRU len: 0
I/O sum[201]:cur[0], 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=376, Main thread ID=139780437247744 , state=sleeping
Number of rows inserted 49379, updated 408, deleted 0, read 608875
0.00 inserts/s, 1.40 updates/s, 0.00 deletes/s, 1203.58 reads/s
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END OF INNODB MONITOR OUTPUT
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