Speicher-Engines
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[
Variablen
|
Puffer-Pool
|
InnoDB-Status
]
=====================================
2025-01-10 05:22:40 0x6a340 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 50 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 5049 srv_active, 0 srv_shutdown, 608704 srv_idle
srv_master_thread log flush and writes: 610159
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 26071
OS WAIT ARRAY INFO: signal count 19890
RW-shared spins 15915, rounds 352275, OS waits 10957
RW-excl spins 8863, rounds 102267, OS waits 1141
RW-sx spins 247, rounds 5059, OS waits 80
Spin rounds per wait: 22.13 RW-shared, 11.54 RW-excl, 20.48 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 218985
Purge done for trx's n:o < 218985 undo n:o < 0 state: running but idle
History list length 21
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
53705 OS file reads, 96399 OS file writes, 54005 OS fsyncs
0.02 reads/s, 16384 avg bytes/read, 0.20 writes/s, 0.18 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 0 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)
0.10 hash searches/s, 0.12 non-hash searches/s
---
LOG
---
Log sequence number 124554782
Log flushed up to 124554782
Pages flushed up to 124554782
Last checkpoint at 124554773
0 pending log flushes, 0 pending chkp writes
36040 log i/o's done, 0.12 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 883912
Buffer pool size 1003
Free buffers 740
Database pages 256
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 775, not young 31382
0.00 youngs/s, 0.00 non-youngs/s
Pages read 53180, created 666, written 54634
0.02 reads/s, 0.00 creates/s, 0.06 writes/s
Buffer pool hit rate 958 / 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: 256, unzip_LRU len: 0
I/O sum[4]: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 1293, updated 15573, deleted 141, read 987453
0.00 inserts/s, 0.02 updates/s, 0.00 deletes/s, 0.14 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
============================
