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InnoDB

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

[ Spremenljivke | Zaloga medpomnilnika | Stanje InnoDB ]

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2025-11-21 11:21:42 0x7f8e7e52b700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 53 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 1749 srv_active, 0 srv_shutdown, 1230 srv_idle
srv_master_thread log flush and writes: 2979
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 6419
OS WAIT ARRAY INFO: signal count 5617
RW-shared spins 0, rounds 1997, OS waits 988
RW-excl spins 0, rounds 853, OS waits 28
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1997.00 RW-shared, 853.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
------------
Trx id counter 45619
Purge done for trx's n:o < 45619 undo n:o < 0 state: running but idle
History list length 4
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421724979258168, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421724979253912, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421724979249656, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421724979245400, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421724979241144, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
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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
863 OS file reads, 25650 OS file writes, 12548 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 13.79 writes/s, 6.68 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 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 9 buffer(s)
Hash table size 69257, node heap has 2 buffer(s)
Hash table size 69257, node heap has 25 buffer(s)
Hash table size 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 3 buffer(s)
Hash table size 69257, node heap has 25 buffer(s)
Hash table size 69257, node heap has 0 buffer(s)
8.85 hash searches/s, 1.53 non-hash searches/s
---
LOG
---
Log sequence number 14550676
Log flushed up to   14550676
Pages flushed up to 14550676
Last checkpoint at  14550633
0 pending log flushes, 0 pending chkp writes
7874 log i/o's done, 3.81 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 285212672
Dictionary memory allocated 128256
Buffer pool size   16024
Free buffers       15122
Database pages     836
Old database pages 328
Modified db pages  0
Percent of dirty pages(LRU & free pages): 0.000
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 0, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 704, created 132, written 15977
0.00 reads/s, 0.00 creates/s, 8.74 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: 836, unzip_LRU len: 0
I/O sum[0]: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=901, Main thread ID=140249430730496, state: sleeping
Number of rows inserted 1, updated 4050, deleted 0, read 1330448
0.00 inserts/s, 2.32 updates/s, 0.00 deletes/s, 4.75 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 4972
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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