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 12:19:25 0x604c INNODB MONITOR OUTPUT
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Per second averages calculated from the last 20 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 15788 srv_active, 0 srv_shutdown, 624823 srv_idle
srv_master_thread log flush and writes: 640611
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 1053172
OS WAIT ARRAY INFO: signal count 343572
RW-shared spins 326689, rounds 7609206, OS waits 80510
RW-excl spins 11588, rounds 53320, OS waits 518
RW-sx spins 1227, rounds 9142, OS waits 82
Spin rounds per wait: 23.29 RW-shared, 4.60 RW-excl, 7.45 RW-sx
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TRANSACTIONS
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Trx id counter 1220066
Purge done for trx's n:o < 1220066 undo n:o < 0 state: running
History list length 7
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283303474205464, 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 283303474180456, 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
2444975 OS file reads, 746116 OS file writes, 313159 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 10.25 writes/s, 5.00 fsyncs/s
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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 3 buffer(s)
Hash table size 138401, node heap has 1 buffer(s)
13.10 hash searches/s, 31.95 non-hash searches/s
---
LOG
---
Log sequence number 5142087142
Log flushed up to   5142087122
Pages flushed up to 5142084954
Last checkpoint at  5142080823
0 pending log flushes, 0 pending chkp writes
205823 log i/o's done, 3.05 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     31069
Old database pages 11448
Modified db pages  5
Percent of dirty pages(LRU & free pages): 0.016
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 1018920, not young 3456688
0.05 youngs/s, 0.00 non-youngs/s
Pages read 2444714, created 159820, written 494407
0.00 reads/s, 0.00 creates/s, 6.40 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: 31069, unzip_LRU len: 0
I/O sum[218]:cur[11], 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 5419, updated 119171, deleted 4761, read 22010534
0.00 inserts/s, 2.00 updates/s, 0.00 deletes/s, 17.75 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 473722
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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