Úložiště

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Proměnné | Vyrovnávací paměť | Stav InnoDB ]

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2024-09-20 02:43:51 0x7fc84416a700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 52 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 100 srv_active, 0 srv_shutdown, 684 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 456
OS WAIT ARRAY INFO: signal count 453
RW-shared spins 83, rounds 163, OS waits 80
RW-excl spins 159, rounds 1595, OS waits 35
RW-sx spins 1, rounds 30, OS waits 1
Spin rounds per wait: 1.96 RW-shared, 10.03 RW-excl, 30.00 RW-sx
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TRANSACTIONS
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Trx id counter 10611
Purge done for trx's n:o < 10611 undo n:o < 0 state: running but idle
History list length 15
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421973245397608, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421973245396736, 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
1488 OS file reads, 5123 OS file writes, 1786 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 6.88 writes/s, 3.15 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 2 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 5 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 6 buffer(s)
593.16 hash searches/s, 202.52 non-hash searches/s
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LOG
---
Log sequence number          52492305
Log buffer assigned up to    52492305
Log buffer completed up to   52492305
Log written up to            52492305
Log flushed up to            52492305
Added dirty pages up to      52492305
Pages flushed up to          52492305
Last checkpoint at           52492305
2102 log i/o's done, 2.88 log i/o's/second
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BUFFER POOL AND MEMORY
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Total large memory allocated 137363456
Dictionary memory allocated 542506
Buffer pool size   8192
Free buffers       6577
Database pages     1592
Old database pages 567
Modified db pages  0
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 801, not young 1831
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1351, created 295, written 2664
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: 1592, unzip_LRU len: 0
I/O sum[177]: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=364, Main thread ID=140497761007360 , state=sleeping
Number of rows inserted 1220, updated 2057, deleted 1707, read 888070
1.67 inserts/s, 1.54 updates/s, 0.00 deletes/s, 695.03 reads/s
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END OF INNODB MONITOR OUTPUT
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