Speicher-Engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[
Variablen
|
Puffer-Pool
|
InnoDB-Status
]
=====================================
2025-01-09 20:59:27 0x17770 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 31 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 4913 srv_active, 0 srv_shutdown, 578687 srv_idle
srv_master_thread log flush and writes: 580006
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 25288
OS WAIT ARRAY INFO: signal count 19256
RW-shared spins 15453, rounds 342925, OS waits 10675
RW-excl spins 8759, rounds 101290, OS waits 1127
RW-sx spins 247, rounds 5059, OS waits 80
Spin rounds per wait: 22.19 RW-shared, 11.56 RW-excl, 20.48 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 218089
Purge done for trx's n:o < 218089 undo n:o < 0 state: running but idle
History list length 0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283224248616568, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248612400, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248608232, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248604064, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248599896, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248595728, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248591560, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248587392, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248583224, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248579056, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248574888, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248570720, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248566552, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248562384, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248558216, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248554048, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248549880, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248545712, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248541544, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248537376, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248533208, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283224248529040, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
--------
FILE I/O
--------
I/O thread 0 state: native aio handle (insert buffer thread)
I/O thread 1 state: native aio handle (log thread)
I/O thread 2 state: native aio handle (read thread)
I/O thread 3 state: native aio handle (read thread)
I/O thread 4 state: native aio handle (read thread)
I/O thread 5 state: native aio handle (read thread)
I/O thread 6 state: native aio handle (write thread)
I/O thread 7 state: native aio handle (write thread)
I/O thread 8 state: native aio handle (write thread)
I/O thread 9 state: native aio handle (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
52023 OS file reads, 93803 OS file writes, 52447 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, 5 merges
merged operations:
insert 0, delete mark 6, delete 1
discarded operations:
insert 0, delete mark 0, delete 0
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
0.16 hash searches/s, 0.10 non-hash searches/s
---
LOG
---
Log sequence number 124353834
Log flushed up to 124353834
Pages flushed up to 124353834
Last checkpoint at 124353825
0 pending log flushes, 0 pending chkp writes
34954 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 883912
Buffer pool size 1003
Free buffers 733
Database pages 262
Old database pages 0
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 748, not young 31311
0.00 youngs/s, 0.00 non-youngs/s
Pages read 51498, created 651, written 53287
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: 262, 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=4248, Main thread ID=6052, state: sleeping
Number of rows inserted 1268, updated 14942, deleted 141, read 949509
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.16 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 4278
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================
