Mecanismos de armazenamento

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variáveis | Pool de buffer | Estado do InnoDB ]

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2026-01-23 04:06:02 0x7f80984bc700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 10 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 35 srv_active, 0 srv_shutdown, 279 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 75
OS WAIT ARRAY INFO: signal count 75
RW-shared spins 0, rounds 0, OS waits 0
RW-excl spins 1, rounds 30, OS waits 1
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 0.00 RW-shared, 30.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 9913
Purge done for trx's n:o < 9912 undo n:o < 0 state: running but idle
History list length 2
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421665859172968, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421665859172096, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
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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
1266 OS file reads, 1069 OS file writes, 492 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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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 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 0 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 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 6 buffer(s)
1600.44 hash searches/s, 259.27 non-hash searches/s
---
LOG
---
Log sequence number          51006224
Log buffer assigned up to    51006224
Log buffer completed up to   51006224
Log written up to            51006224
Log flushed up to            51006224
Added dirty pages up to      51006224
Pages flushed up to          51006224
Last checkpoint at           51006224
342 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 467775
Buffer pool size   8192
Free buffers       6859
Database pages     1318
Old database pages 466
Modified db pages  0
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 302, not young 679
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1173, created 148, written 584
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: 1318, unzip_LRU len: 0
I/O sum[0]: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=369, Main thread ID=140190444340992 , state=sleeping
Number of rows inserted 137, updated 379, deleted 0, read 782883
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1773.62 reads/s
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END OF INNODB MONITOR OUTPUT
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