Silniki pamięci masowej

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Zmienne | Rezerwy buforowe | Status InnoDB ]

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2024-09-19 18:58:17 0x7f4dfc059700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 46 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 203 srv_active, 0 srv_shutdown, 531 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 839
OS WAIT ARRAY INFO: signal count 835
RW-shared spins 172, rounds 329, OS waits 157
RW-excl spins 225, rounds 1963, OS waits 34
RW-sx spins 3, rounds 65, OS waits 2
Spin rounds per wait: 1.91 RW-shared, 8.72 RW-excl, 21.67 RW-sx
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TRANSACTIONS
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Trx id counter 17523
Purge done for trx's n:o < 17519 undo n:o < 0 state: running but idle
History list length 56
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421448359346488, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421448359345616, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421448359344744, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421448359343872, 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
1528 OS file reads, 25872 OS file writes, 12034 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 3.26 writes/s, 1.26 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 3 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 1 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 4 buffer(s)
Hash table size 34679, node heap has 10 buffer(s)
1325.34 hash searches/s, 223.36 non-hash searches/s
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LOG
---
Log sequence number          60604439
Log buffer assigned up to    60604439
Log buffer completed up to   60604439
Log written up to            60604439
Log flushed up to            60604439
Added dirty pages up to      60603482
Pages flushed up to          60603482
Last checkpoint at           60603482
17305 log i/o's done, 1.22 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 3163129
Buffer pool size   8192
Free buffers       5043
Database pages     3123
Old database pages 1132
Modified db pages  5
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 3087, not young 3720
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1397, created 1774, written 7468
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: 3123, unzip_LRU len: 0
I/O sum[141]: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=368, Main thread ID=139972943202048 , state=sleeping
Number of rows inserted 16731, updated 6993, deleted 1036, read 1827784
1.33 inserts/s, 0.07 updates/s, 0.30 deletes/s, 1984.48 reads/s
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END OF INNODB MONITOR OUTPUT
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