Mecanismos de armazenamento

InnoDB

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

[ Variáveis | Pool de buffer | Status do InnoDB ]

=====================================
2026-11-02 12:38:31 0x3a68 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 45 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 15898 srv_active, 0 srv_shutdown, 625852 srv_idle
srv_master_thread log flush and writes: 641750
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 1057943
OS WAIT ARRAY INFO: signal count 344160
RW-shared spins 326776, rounds 7611721, OS waits 80587
RW-excl spins 11606, rounds 53405, OS waits 519
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
------------
TRANSACTIONS
------------
Trx id counter 1220783
Purge done for trx's n:o < 1220783 undo n:o < 0 state: running
History list length 6
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283303474217968, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283303474213800, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283303474205464, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283303474209632, 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 283303474180456, 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)
--------
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
2444978 OS file reads, 748317 OS file writes, 314219 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 1.73 writes/s, 0.96 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 3 buffer(s)
Hash table size 138401, node heap has 1 buffer(s)
2.33 hash searches/s, 5.00 non-hash searches/s
---
LOG
---
Log sequence number 5142679098
Log flushed up to   5142679078
Pages flushed up to 5142677873
Last checkpoint at  5142674209
0 pending log flushes, 0 pending chkp writes
206447 log i/o's done, 0.62 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     31069
Old database pages 11448
Modified db pages  3
Percent of dirty pages(LRU & free pages): 0.009
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 1044377, not young 3456722
0.02 youngs/s, 0.00 non-youngs/s
Pages read 2444717, created 159829, written 495822
0.00 reads/s, 0.00 creates/s, 1.00 writes/s
Buffer pool hit rate 1000 / 1000, young-making rate 1 / 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[64]:cur[5], unzip sum[0]:cur[0]
--------------
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 119511, deleted 4765, read 22018413
0.00 inserts/s, 0.29 updates/s, 0.00 deletes/s, 2.33 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 477452
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================