Depolama motorları
InnoDB
Supports transactions, row-level locking, and foreign keys
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Değişkenler
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Arabellek Havuzu
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InnoDB Durumu
]
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2024-09-28 23:35:43 0x7fa1fce95700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 35 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 26 srv_active, 0 srv_shutdown, 268 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 120
OS WAIT ARRAY INFO: signal count 120
RW-shared spins 0, rounds 0, OS waits 0
RW-excl spins 3, rounds 90, OS waits 3
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 10104
Purge done for trx's n:o < 10103 undo n:o < 0 state: running but idle
History list length 15
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421809350261352, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421809350260480, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
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FILE I/O
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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
1545 OS file reads, 1367 OS file writes, 404 OS fsyncs
0.03 reads/s, 16384 avg bytes/read, 0.26 writes/s, 0.20 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 8 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 25 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 4 buffer(s)
Hash table size 34679, node heap has 31 buffer(s)
3257.56 hash searches/s, 1294.51 non-hash searches/s
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LOG
---
Log sequence number 51046150
Log buffer assigned up to 51046150
Log buffer completed up to 51046150
Log written up to 51046150
Log flushed up to 51046150
Added dirty pages up to 51046150
Pages flushed up to 51046150
Last checkpoint at 51046150
390 log i/o's done, 0.09 log i/o's/second
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BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 690310
Buffer pool size 8192
Free buffers 6536
Database pages 1580
Old database pages 563
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 629, not young 474599
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1426, created 166, written 883
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: 1580, unzip_LRU len: 0
I/O sum[5]: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
1 read views open inside InnoDB
Process ID=372, Main thread ID=140333864376064 , state=sleeping
Number of rows inserted 263, updated 482, deleted 0, read 2072047
0.00 inserts/s, 0.03 updates/s, 0.00 deletes/s, 4345.96 reads/s
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END OF INNODB MONITOR OUTPUT
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