Mecanismos de armazenamento

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variáveis | Pool de buffer | Status do InnoDB ]

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2026-04-21 10:02:46 140089691686656 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 19 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 4969 srv_active, 0 srv_shutdown, 415873 srv_idle
srv_master_thread log flush and writes: 0
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 3453
OS WAIT ARRAY INFO: signal count 3153
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 102460
Purge done for trx's n:o < 102460 undo n:o < 0 state: running but idle
History list length 2
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421565449650176, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421565449649368, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421565449648560, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421565449647752, 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
1971 OS file reads, 90605 OS file writes, 66748 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 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 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
2.11 hash searches/s, 1.21 non-hash searches/s
---
LOG
---
Log sequence number          86918009
Log buffer assigned up to    86918009
Log buffer completed up to   86918009
Log written up to            86918009
Log flushed up to            86918009
Added dirty pages up to      86918009
Pages flushed up to          86918009
Last checkpoint at           86918009
Log minimum file id is       22
Log maximum file id is       26
35713 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 0
Dictionary memory allocated 803590
Buffer pool size   8192
Free buffers       6596
Database pages     1573
Old database pages 590
Modified db pages  0
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 5394, not young 1377
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1308, created 2999, written 39947
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: 1573, 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=4179621, Main thread ID=140089977026304 , state=sleeping
Number of rows inserted 233345, updated 7186, deleted 0, read 249454
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.11 reads/s
Number of system rows inserted 8, updated 942, deleted 8, read 4267849
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 3.11 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
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