מנועי אחסון

InnoDB

Supports transactions, row-level locking, and foreign keys

[ משתנים | Buffer Pool | מצב InnoDB ]

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2024-09-19 20:51:44 0x7f064c0cd700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 28 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 49 srv_active, 0 srv_shutdown, 306 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 118
OS WAIT ARRAY INFO: signal count 118
RW-shared spins 2, rounds 3, OS waits 1
RW-excl spins 7, rounds 210, OS waits 7
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.50 RW-shared, 30.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 10132
Purge done for trx's n:o < 10129 undo n:o < 0 state: running but idle
History list length 39
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421140555193808, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421140555192936, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421140555192064, 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
1402 OS file reads, 1563 OS file writes, 615 OS fsyncs
0.43 reads/s, 13824 avg bytes/read, 0.54 writes/s, 0.32 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 1 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 2 buffer(s)
Hash table size 34679, node heap has 6 buffer(s)
1501.98 hash searches/s, 307.70 non-hash searches/s
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LOG
---
Log sequence number          51061622
Log buffer assigned up to    51061622
Log buffer completed up to   51061622
Log written up to            51061622
Log flushed up to            51061622
Added dirty pages up to      51061622
Pages flushed up to          51061622
Last checkpoint at           51061622
460 log i/o's done, 0.14 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 842134
Buffer pool size   8192
Free buffers       6736
Database pages     1440
Old database pages 521
Modified db pages  0
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 451, not young 2193
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1283, created 178, written 950
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: 1440, unzip_LRU len: 0
I/O sum[74]: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=378, Main thread ID=139665068717824 , state=sleeping
Number of rows inserted 392, updated 471, deleted 0, read 874376
1.64 inserts/s, 0.04 updates/s, 0.00 deletes/s, 1953.89 reads/s
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END OF INNODB MONITOR OUTPUT
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