Mecanismos de armazenamento

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variáveis | Pool de buffer | Status do InnoDB ]

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2026-09-03 07:35:44 139796700632832 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 35 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 8547 srv_active, 0 srv_shutdown, 3055849 srv_idle
srv_master_thread log flush and writes: 0
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 8187
OS WAIT ARRAY INFO: signal count 7664
RW-shared spins 0, rounds 0, OS waits 0
RW-excl spins 0, 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 189941
Purge done for trx's n:o < 189941 undo n:o < 0 state: running but idle
History list length 29
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421272681571112, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421272681570304, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421272681569496, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421272681568688, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421272681567880, not started
0 lock struct(s), heap size 1128, 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 (read 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 (write 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)
Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] ,
 ibuf aio reads:
Pending flushes (fsync) log: 0; buffer pool: 0
1406 OS file reads, 143803 OS file writes, 113858 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 13.94 writes/s, 9.61 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 8 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 2 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 2 buffer(s)
249.54 hash searches/s, 80.77 non-hash searches/s
---
LOG
---
Log sequence number          140564149
Log buffer assigned up to    140564149
Log buffer completed up to   140564149
Log written up to            140564149
Log flushed up to            140564149
Added dirty pages up to      140564149
Pages flushed up to          140558103
Last checkpoint at           140558103
Log minimum file id is       38
Log maximum file id is       42
49715 log i/o's done, 4.61 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 0
Dictionary memory allocated 803590
Buffer pool size   8192
Free buffers       6582
Database pages     1588
Old database pages 566
Modified db pages  0
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 9482, not young 3387
0.22 youngs/s, 0.00 non-youngs/s
Pages read 1295, created 4222, written 64958
0.00 reads/s, 0.00 creates/s, 7.13 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: 1588, unzip_LRU len: 0
I/O sum[598]:cur[0], unzip sum[0]:cur[0]
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ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=733, Main thread ID=139797142165248 , state=sleeping
Number of rows inserted 340564, updated 9322, deleted 0, read 380627
0.00 inserts/s, 0.91 updates/s, 0.00 deletes/s, 2.20 reads/s
Number of system rows inserted 8, updated 2465, deleted 8, read 7841477
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 599.13 reads/s
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END OF INNODB MONITOR OUTPUT
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