All Supported Operating Systems
Progress 9.x
OpenEdge 10.x
FIX:
Promon "I/O operations by process" can be found from the PROMON menu: R&D, 3.Other displays, 2. I/O Operations by Process.
These I/O operations are made within the BUFFER POOL.
The value is updated in many different places in the Progress C-code itself which mostly deal with Block Access and waiting as follows.
All the following actions will increment the shown value:
- update a block
- check if we have a lock on a block
- get a lock on a block
- wait on a block
- re-read a block
- commit a block
- upgrade a lock on a block
If we are spinning on a block lock then we could increment this counter as well.
A large value on writes for BI and AI usually only indicates a database that has high transaction activity.
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