Mecanismos de armazenamento

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variáveis | Pool de buffer | Estado do InnoDB ]

=====================================
2026-03-30 23:11:27 0x7ffad4168700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 30 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 63 srv_active, 0 srv_shutdown, 576 srv_idle
srv_master_thread log flush and writes: 0
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 632
OS WAIT ARRAY INFO: signal count 580
RW-shared spins 70, rounds 128, OS waits 58
RW-excl spins 232, rounds 1975, OS waits 36
RW-sx spins 1, rounds 2, OS waits 0
Spin rounds per wait: 1.83 RW-shared, 8.51 RW-excl, 2.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 10900
Purge done for trx's n:o < 10900 undo n:o < 0 state: running but idle
History list length 54
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 422190271257192, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 422190271256320, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
--------
FILE I/O
--------
I/O thread 0 state: waiting for completed aio requests (insert buffer thread)
I/O thread 1 state: waiting for completed aio requests (log thread)
I/O thread 2 state: waiting for completed aio requests (read thread)
I/O thread 3 state: waiting for completed aio requests (read thread)
I/O thread 4 state: waiting for completed aio requests (read thread)
I/O thread 5 state: waiting for completed aio requests (read thread)
I/O thread 6 state: waiting for completed aio requests (write thread)
I/O thread 7 state: waiting for completed aio requests (write thread)
I/O thread 8 state: waiting for completed aio requests (write thread)
I/O thread 9 state: waiting for completed aio requests (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
1404 OS file reads, 5691 OS file writes, 1974 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 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 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 5 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 8 buffer(s)
1672.71 hash searches/s, 1366.39 non-hash searches/s
---
LOG
---
Log sequence number          53492026
Log buffer assigned up to    53492026
Log buffer completed up to   53492026
Log written up to            53492026
Log flushed up to            53492026
Added dirty pages up to      53492026
Pages flushed up to          53492026
Last checkpoint at           53492026
2911 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 655199
Buffer pool size   8192
Free buffers       6520
Database pages     1645
Old database pages 587
Modified db pages  0
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 1359, not young 2904
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1271, created 390, written 2467
0.00 reads/s, 0.00 creates/s, 0.00 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: 1645, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=370, Main thread ID=140714785568512 , state=sleeping
Number of rows inserted 1905, updated 2791, deleted 1980, read 1412895
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 2026.73 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================