Mecanismos de armazenamento

InnoDB

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

[ Variáveis | Pool de buffer | Status do InnoDB ]

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2026-11-02 13:14:29 0x1c2c INNODB MONITOR OUTPUT
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Per second averages calculated from the last 24 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 16029 srv_active, 0 srv_shutdown, 627863 srv_idle
srv_master_thread log flush and writes: 643892
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 1062674
OS WAIT ARRAY INFO: signal count 345481
RW-shared spins 326888, rounds 7615052, OS waits 80686
RW-excl spins 11606, rounds 53405, OS waits 519
RW-sx spins 1227, rounds 9142, OS waits 82
Spin rounds per wait: 23.30 RW-shared, 4.60 RW-excl, 7.45 RW-sx
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TRANSACTIONS
------------
Trx id counter 1221231
Purge done for trx's n:o < 1221231 undo n:o < 0 state: running but idle
History list length 9
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283303474205464, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283303474180456, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283303474201296, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283303474176288, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283303474172120, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283303474167952, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283303474197128, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283303474192960, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283303474188792, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283303474184624, 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
2444983 OS file reads, 750012 OS file writes, 315191 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 4.54 writes/s, 2.75 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
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 138401, node heap has 3 buffer(s)
Hash table size 138401, node heap has 1 buffer(s)
Hash table size 138401, node heap has 1 buffer(s)
Hash table size 138401, node heap has 2 buffer(s)
Hash table size 138401, node heap has 2 buffer(s)
Hash table size 138401, node heap has 2 buffer(s)
Hash table size 138401, node heap has 4 buffer(s)
Hash table size 138401, node heap has 1 buffer(s)
3.75 hash searches/s, 8.96 non-hash searches/s
---
LOG
---
Log sequence number 5142946588
Log flushed up to   5142946588
Pages flushed up to 5142946588
Last checkpoint at  5142946579
0 pending log flushes, 0 pending chkp writes
207023 log i/o's done, 1.62 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 671088640
Dictionary memory allocated 653544
Buffer pool size   32108
Free buffers       1024
Database pages     31068
Old database pages 11448
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 1044507, not young 3456758
0.12 youngs/s, 0.00 non-youngs/s
Pages read 2444722, created 159829, written 496802
0.00 reads/s, 0.00 creates/s, 2.54 writes/s
Buffer pool hit rate 1000 / 1000, young-making rate 4 / 1000 not 0 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 31068, unzip_LRU len: 0
I/O sum[61]: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=3924, Main thread ID=5576, state: sleeping
Number of rows inserted 5423, updated 119733, deleted 4765, read 22042304
0.00 inserts/s, 0.67 updates/s, 0.00 deletes/s, 3.54 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 481181
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
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