Motoare de stocare

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variabile | Buffer Pool | Stare InnoDB ]

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2026-05-24 01:42:27 140326788359872 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 14 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 840 srv_active, 0 srv_shutdown, 113472 srv_idle
srv_master_thread log flush and writes: 0
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SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 5535
OS WAIT ARRAY INFO: signal count 5002
RW-shared spins 0, rounds 0, OS waits 0
RW-excl spins 0, rounds 0, OS waits 0
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 0.00 RW-shared, 0.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
------------
Trx id counter 7597
Purge done for trx's n:o < 7597 undo n:o < 0 state: running but idle
History list length 7
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421802686772008, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421802686771200, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421802686770392, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421802686769584, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421802686768776, not started
0 lock struct(s), heap size 1128, 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 (read 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 (write 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)
Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] ,
 ibuf aio reads:
Pending flushes (fsync) log: 0; buffer pool: 0
1311 OS file reads, 18154 OS file writes, 12890 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 16.14 writes/s, 11.63 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 34679, node heap has 8 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 3 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 1 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
1658.45 hash searches/s, 1045.28 non-hash searches/s
---
LOG
---
Log capacity                 104857600
Log capacity used            104857600
Log sequence number          23332988
Log buffer assigned up to    23332988
Log buffer completed up to   23332988
Log written up to            23332988
Log flushed up to            23332988
Added dirty pages up to      23332988
Pages flushed up to          23257926
Last checkpoint at           23257926
Log minimum file id is       6
Log maximum file id is       7
7480 log i/o's done, 13.53 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 0
Dictionary memory allocated 882392
Buffer pool size   8192
Free buffers       6644
Database pages     1526
Old database pages 544
Modified db pages  104
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 2576, not young 5424
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1176, created 591, written 7889
0.00 reads/s, 0.00 creates/s, 1.79 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: 1526, unzip_LRU len: 0
I/O sum[285]: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=89449, Main thread ID=140327218296512 , state=sleeping
Number of rows inserted 24871, updated 1520, deleted 11, read 35277
0.00 inserts/s, 3.57 updates/s, 0.00 deletes/s, 16.21 reads/s
Number of system rows inserted 244, updated 443, deleted 8, read 1166728
0.00 inserts/s, 0.14 updates/s, 0.00 deletes/s, 2363.62 reads/s
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END OF INNODB MONITOR OUTPUT
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