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InnoDB

Supports transactions, row-level locking, and foreign keys

[ Aınymalylar | Býfer pýly | InnoDB mártebesi ]

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2024-09-20 00:41:33 0x7fddd0168700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 12 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 49 srv_active, 0 srv_shutdown, 596 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 482
OS WAIT ARRAY INFO: signal count 456
RW-shared spins 56, rounds 104, OS waits 48
RW-excl spins 147, rounds 1153, OS waits 20
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.86 RW-shared, 7.84 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 10252
Purge done for trx's n:o < 10250 undo n:o < 0 state: running but idle
History list length 9
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 422065639291496, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 422065639290624, 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
1510 OS file reads, 2697 OS file writes, 784 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 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 5 buffer(s)
Hash table size 34679, node heap has 4 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 6 buffer(s)
341.05 hash searches/s, 219.65 non-hash searches/s
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LOG
---
Log sequence number          52084500
Log buffer assigned up to    52084500
Log buffer completed up to   52084500
Log written up to            52084500
Log flushed up to            52084500
Added dirty pages up to      52084500
Pages flushed up to          52084500
Last checkpoint at           52084500
1243 log i/o's done, 0.00 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 497163
Buffer pool size   8192
Free buffers       6629
Database pages     1537
Old database pages 557
Modified db pages  0
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 587, not young 3144
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1375, created 301, written 1265
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: 1537, 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=367, Main thread ID=140590153127680 , state=sleeping
Number of rows inserted 18314, updated 1795, deleted 1528, read 1093690
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 516.29 reads/s
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END OF INNODB MONITOR OUTPUT
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