Motoare de stocare

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variabile | Buffer Pool | Stare InnoDB ]

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2026-05-24 02:50:18 140326788359872 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 36 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 1150 srv_active, 0 srv_shutdown, 117228 srv_idle
srv_master_thread log flush and writes: 0
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 8638
OS WAIT ARRAY INFO: signal count 7822
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 9765
Purge done for trx's n:o < 9765 undo n:o < 0 state: running but idle
History list length 28
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421802686774432, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421802686773624, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---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 421802686772816, 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
1316 OS file reads, 27453 OS file writes, 18993 OS fsyncs
0.03 reads/s, 16384 avg bytes/read, 14.66 writes/s, 9.51 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)
1312.05 hash searches/s, 1005.39 non-hash searches/s
---
LOG
---
Log capacity                 104857600
Log capacity used            104857600
Log sequence number          24980446
Log buffer assigned up to    24980446
Log buffer completed up to   24980446
Log written up to            24980446
Log flushed up to            24980446
Added dirty pages up to      24980446
Pages flushed up to          24870737
Last checkpoint at           24870737
Log minimum file id is       6
Log maximum file id is       7
11930 log i/o's done, 7.39 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 0
Dictionary memory allocated 882392
Buffer pool size   8192
Free buffers       6637
Database pages     1533
Old database pages 545
Modified db pages  32
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 4183, not young 6237
1.33 youngs/s, 0.06 non-youngs/s
Pages read 1181, created 1549, written 11672
0.03 reads/s, 0.00 creates/s, 5.63 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: 1533, unzip_LRU len: 0
I/O sum[346]: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 107986, updated 2592, deleted 11, read 107059
0.00 inserts/s, 1.81 updates/s, 0.00 deletes/s, 9.08 reads/s
Number of system rows inserted 244, updated 448, deleted 8, read 2009628
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1686.56 reads/s
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END OF INNODB MONITOR OUTPUT
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