Storage engines
InnoDB
Supports transactions, row-level locking, and foreign keys
[
Variabel
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Penampungan Penyangga
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Status InnoDB
]
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2025-12-15 05:16:15 0x7fba98062700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 29 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 5 srv_active, 0 srv_shutdown, 23 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 8
OS WAIT ARRAY INFO: signal count 7
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
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TRANSACTIONS
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Trx id counter 9767
Purge done for trx's n:o < 9763 undo n:o < 0 state: running but idle
History list length 59
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421914510633576, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421914510632704, 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
1169 OS file reads, 264 OS file writes, 75 OS fsyncs
38.97 reads/s, 20652 avg bytes/read, 8.80 writes/s, 2.50 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 1 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 0 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 4 buffer(s)
1206.61 hash searches/s, 652.22 non-hash searches/s
---
LOG
---
Log sequence number 50953047
Log buffer assigned up to 50953047
Log buffer completed up to 50953047
Log written up to 50953047
Log flushed up to 50953047
Added dirty pages up to 50953047
Pages flushed up to 50950565
Last checkpoint at 50950565
46 log i/o's done, 1.53 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 471622
Buffer pool size 8192
Free buffers 6960
Database pages 1222
Old database pages 431
Modified db pages 17
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 41, not young 123
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1080, created 145, written 175
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 992 / 1000, young-making rate 0 / 1000 not 1 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 1222, unzip_LRU len: 0
I/O sum[1]:cur[1], 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=372, Main thread ID=140439026853632 , state=sleeping
Number of rows inserted 47, updated 326, deleted 0, read 75905
1.62 inserts/s, 11.24 updates/s, 0.00 deletes/s, 2617.32 reads/s
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END OF INNODB MONITOR OUTPUT
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