מנועי אחסון

InnoDB

Supports transactions, row-level locking, and foreign keys

[ משתנים | Buffer Pool | מצב InnoDB ]

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2024-09-20 00:57:06 0x7ff69ed41700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 20 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 52 srv_active, 0 srv_shutdown, 625 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 523
OS WAIT ARRAY INFO: signal count 508
RW-shared spins 74, rounds 144, OS waits 70
RW-excl spins 205, rounds 1348, OS waits 22
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.95 RW-shared, 6.58 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 10481
Purge done for trx's n:o < 10480 undo n:o < 0 state: running but idle
History list length 33
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 422172767877736, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 422172767878608, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 422172767876864, 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
1590 OS file reads, 3508 OS file writes, 1149 OS fsyncs
1.45 reads/s, 13206 avg bytes/read, 57.40 writes/s, 15.25 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 6 buffer(s)
932.80 hash searches/s, 706.46 non-hash searches/s
---
LOG
---
Log sequence number          52200331
Log buffer assigned up to    52200331
Log buffer completed up to   52200331
Log written up to            52200331
Log flushed up to            52200331
Added dirty pages up to      52200331
Pages flushed up to          52200331
Last checkpoint at           52200331
1591 log i/o's done, 28.65 log i/o's/second
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BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 467793
Buffer pool size   8192
Free buffers       6550
Database pages     1618
Old database pages 617
Modified db pages  0
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 3, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1441, created 177, written 1734
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: 1618, 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=364, Main thread ID=140697278547712 , state=sleeping
Number of rows inserted 116, updated 1899, deleted 1620, read 1663163
0.05 inserts/s, 9.20 updates/s, 37.35 deletes/s, 1021.10 reads/s
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END OF INNODB MONITOR OUTPUT
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