Úložiště

InnoDB

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

[ Proměnné | Vyrovnávací paměť | Stav InnoDB ]

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2026-02-10 10:08:57 0x7f3ea4e80700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 3 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 25737 srv_active, 0 srv_shutdown, 10448 srv_idle
srv_master_thread log flush and writes: 36179
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 61708
OS WAIT ARRAY INFO: signal count 50562
RW-shared spins 0, rounds 21588, OS waits 10748
RW-excl spins 0, rounds 10023, OS waits 334
RW-sx spins 8, rounds 240, OS waits 8
Spin rounds per wait: 21588.00 RW-shared, 10023.00 RW-excl, 30.00 RW-sx
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TRANSACTIONS
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Trx id counter 133378
Purge done for trx's n:o < 133378 undo n:o < 0 state: running but idle
History list length 1
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421382030619128, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421382030614872, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421382030610616, 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
865 OS file reads, 326816 OS file writes, 168378 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 7.66 writes/s, 4.67 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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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 0 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)
3.33 hash searches/s, 0.00 non-hash searches/s
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LOG
---
Log sequence number 70331428
Log flushed up to   70331428
Pages flushed up to 70328892
Last checkpoint at  70325811
0 pending log flushes, 0 pending chkp writes
95986 log i/o's done, 1.67 log i/o's/second
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BUFFER POOL AND MEMORY
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Total large memory allocated 285212672
Dictionary memory allocated 122912
Buffer pool size   16024
Free buffers       15107
Database pages     852
Old database pages 334
Modified db pages  49
Percent of dirty pages(LRU & free pages): 0.307
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 706, created 146, written 205042
0.00 reads/s, 0.00 creates/s, 5.00 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: 852, unzip_LRU len: 0
I/O sum[0]:cur[6], unzip sum[0]:cur[0]
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ROW OPERATIONS
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0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=903, Main thread ID=139906345072384, state: sleeping
Number of rows inserted 1, updated 47480, deleted 0, read 1590877
0.00 inserts/s, 0.67 updates/s, 0.00 deletes/s, 2.00 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 6230
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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