Scalability and best practices for DNS
This section describes some best practices that you can use while configuring PATROL for Light Weight Protocols for DNS.
Hardware recommendation
Following table lists the hardware recommendation for the tested configuration scenarios in Windows Server 2016 and Red Hat Enterprise Linux 7.5 x86_64 platforms:
Platform | Configuration Item | Value |
|---|---|---|
Red Hat Enterprise Linux 7.5 x86_64 | CPU | 2.4 GHz |
RAM | 4GB | |
Type | 64 bit | |
| Windows Server 2016 | CPU | 2.2 GHz |
RAM | 4GB | |
Type | 64 bit |
Scalability and sizing best practices
The table below provides information about the tested configuration scenarios. It also provides information on the resources required for DNS monitoring in small, medium, large, and extra-large environments. Consider the following requirements to achieve the best performance.
Tested configuration scenarios:
Load | Number of devices | Number of queries | Execution interval (sec) | Total instances created | Total parameters created | CPU load (%) | Memory load (MB) |
|---|---|---|---|---|---|---|---|
Small | 10 | 5 | 60 | 60 | 300 | 0.3 | 60 |
Medium | 50 | 15 | 300 | 800 | 3300 | 0.5 | 280 |
Large | 75 | 30 | 300 | 2300 | 9000 | 1 | 400 |
Extra-large | 100 | 40 | 300 | 4100 | 16000 | 1.5 | 500 |