I/O baselines
- Last UpdatedAug 13, 2025
- 1 minute read
This topology type was tested for integration purposes in a lab environment and uses simulated I/O for data generation. "Real" I/O results (from PLCs) are included in the following section as a subset of this test configuration.
|
Platforms - Visualization nodes |
10 |
|
Platforms - AutomationObject Servers |
20 |
|
Platforms - Galaxy Repository Server |
1 |
|
IndustrialSQL Server Historian Server |
5 |
|
Object Instances per Galaxy |
50,000 |
|
Object Instances per Server Platform |
2500 |
|
I/O per Galaxy |
1,100,000 |
|
I/O Points per Server Platform |
55,000 |
|
I/O Change Rate |
3% I/O points change every scan |
|
Alarm Rate |
1% of I/O points per scan |
|
History stores |
7000 changes/sec |
The following results table contains simulated and real I/O values:
|
Physical Memory Use (MB) |
Page File Usage (MB) |
%CPU Average |
%Network (RMC) |
%Network (Primary) |
|
|
Normal Engine (simulated I/O) |
871 |
652 |
21-29 |
N/A |
0.01 |
|
Redundant Engine (simulated I/O) |
908 |
791 |
22-30 |
0.12 |
0.01 |
|
IT Platform (TSE) |
759 |
707 |
23 |
N/A |
0.01 |
|
Load Sharing (simulated I/O) |
770 |
930 |
27-30 |
0.24 |
0.01 |
|
Redundant Engine (Real I/O) |
913 |
782 |
55 |
0.15 |
0.03 |
-
Primary Network line speed: 1 Gbps
-
RMC Network line speed: 1Mbps
Note: Attribute tuning for Redundant AppEngines is described on "Tuning Redundant Engine Attributes" on page 87.