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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2026-09-15 22:24:02 0x6d10 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 11 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 8648 srv_active, 0 srv_shutdown, 636607 srv_idle
srv_master_thread log flush and writes: 645255
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 291105
OS WAIT ARRAY INFO: signal count 92448
RW-shared spins 20419, rounds 393167, OS waits 11358
RW-excl spins 7819, rounds 17450, OS waits 83
RW-sx spins 2142, rounds 10363, OS waits 66
Spin rounds per wait: 19.25 RW-shared, 2.23 RW-excl, 4.84 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 177083
Purge done for trx's n:o < 177083 undo n:o < 0 state: running but idle
History list length 0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 284174856008256, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284174856004088, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284174855991584, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284174855987416, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284174855983248, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284174855999920, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284174855995752, 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
6504 OS file reads, 107850 OS file writes, 72818 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 12.91 writes/s, 5.64 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 2 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 1 buffer(s)
Hash table size 138401, node heap has 3 buffer(s)
Hash table size 138401, node heap has 2 buffer(s)
13.73 hash searches/s, 27.91 non-hash searches/s
---
LOG
---
Log sequence number 404818387
Log flushed up to   404818387
Pages flushed up to 404818387
Last checkpoint at  404813327
0 pending log flushes, 0 pending chkp writes
44937 log i/o's done, 3.18 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 671088640
Dictionary memory allocated 460736
Buffer pool size   32108
Free buffers       25577
Database pages     6515
Old database pages 2403
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 2, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 6323, created 192, written 53333
0.00 reads/s, 0.00 creates/s, 8.82 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: 6515, unzip_LRU len: 0
I/O sum[0]: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=3960, Main thread ID=5224, state: sleeping
Number of rows inserted 866, updated 15823, deleted 17244, read 1440741
0.00 inserts/s, 1.73 updates/s, 0.00 deletes/s, 12.64 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 21998
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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