Moteurs de stockage

InnoDB

Supports transactions, row-level locking, foreign keys and encryption for tables

[ Variables | Mémoire tampon | État InnoDB ]

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2024-11-13 01:50:26 0x2914 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 47 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 822625 srv_active, 0 srv_shutdown, 2603985 srv_idle
srv_master_thread log flush and writes: 3426610
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 5157321
OS WAIT ARRAY INFO: signal count 3122484
RW-shared spins 1274831, rounds 36142640, OS waits 1194201
RW-excl spins 404136, rounds 1592309, OS waits 10041
RW-sx spins 579, rounds 15170, OS waits 433
Spin rounds per wait: 28.35 RW-shared, 3.94 RW-excl, 26.20 RW-sx
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TRANSACTIONS
------------
Trx id counter 1797072
Purge done for trx's n:o < 1797072 undo n:o < 0 state: running
History list length 3
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283333429449208, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283333429445040, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283333429440872, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283333429436704, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283333429432536, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283333429428368, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
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FILE I/O
--------
I/O thread 0 state: native aio handle (insert buffer thread)
I/O thread 1 state: native aio handle (log thread)
I/O thread 2 state: native aio handle (read thread)
I/O thread 3 state: native aio handle (read thread)
I/O thread 4 state: native aio handle (read thread)
I/O thread 5 state: native aio handle (read thread)
I/O thread 6 state: native aio handle (write thread)
I/O thread 7 state: native aio handle (write thread)
I/O thread 8 state: native aio handle (write thread)
I/O thread 9 state: native aio handle (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
21054286 OS file reads, 9359836 OS file writes, 6715475 OS fsyncs
13.15 reads/s, 16384 avg bytes/read, 4.11 writes/s, 3.11 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
Ibuf: size 1, free list len 90, seg size 92, 225 merges
merged operations:
 insert 3667, delete mark 0, delete 0
discarded operations:
 insert 0, delete mark 0, delete 0
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
7.53 hash searches/s, 8.06 non-hash searches/s
---
LOG
---
Log sequence number 1810071393
Log flushed up to   1810071393
Pages flushed up to 1810071393
Last checkpoint at  1810071384
0 pending log flushes, 0 pending chkp writes
3961049 log i/o's done, 1.85 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 225360
Buffer pool size   1003
Free buffers       739
Database pages     256
Old database pages 0
Modified db pages  0
Percent of dirty pages(LRU & free pages): 0.000
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 5174400, not young 91383294
0.15 youngs/s, 41.83 non-youngs/s
Pages read 21054192, created 56711, written 4420205
13.15 reads/s, 0.00 creates/s, 1.81 writes/s
Buffer pool hit rate 929 / 1000, young-making rate 0 / 1000 not 223 / 1000
Pages read ahead 7.49/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 256, unzip_LRU len: 0
I/O sum[369]:cur[0], unzip sum[0]:cur[0]
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ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=5904, Main thread ID=5732, state: sleeping
Number of rows inserted 567591, updated 909981, deleted 46, read 2225399519
0.00 inserts/s, 0.34 updates/s, 0.00 deletes/s, 1133.59 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 116254
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
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END OF INNODB MONITOR OUTPUT
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