Motoare de stocare

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variabile | Buffer Pool | Stare InnoDB ]

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2024-09-20 02:48:21 0x7fb7c80e2700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 2 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 36 srv_active, 0 srv_shutdown, 117 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 382
OS WAIT ARRAY INFO: signal count 362
RW-shared spins 64, rounds 119, OS waits 55
RW-excl spins 126, rounds 1110, OS waits 21
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.86 RW-shared, 8.81 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 10288
Purge done for trx's n:o < 10286 undo n:o < 0 state: running but idle
History list length 22
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421902843783784, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421902843782912, 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
1431 OS file reads, 2864 OS file writes, 840 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 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 2 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 5 buffer(s)
398.80 hash searches/s, 174.91 non-hash searches/s
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LOG
---
Log sequence number          52160125
Log buffer assigned up to    52160125
Log buffer completed up to   52160125
Log written up to            52160125
Log flushed up to            52160125
Added dirty pages up to      52160125
Pages flushed up to          52160125
Last checkpoint at           52160125
1355 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 462754
Buffer pool size   8192
Free buffers       6696
Database pages     1473
Old database pages 524
Modified db pages  0
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 496, not young 1911
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1298, created 208, written 1369
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: 1473, unzip_LRU len: 0
I/O sum[102]: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=372, Main thread ID=140427358304000 , state=sleeping
Number of rows inserted 587, updated 1882, deleted 1596, read 295775
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 632.68 reads/s
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END OF INNODB MONITOR OUTPUT
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