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Add DNS WarnUp mechanism to speed up check speed #25
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📝 WalkthroughWalkthroughThe pull request introduces a new function Changes
Sequence DiagramsequenceDiagram
participant Script as chkdm Script
participant WarmUp as warnUpDNS Function
participant DNS as DNS Servers
Script->>WarmUp: Call warnUpDNS()
WarmUp->>DNS: Perform background dig queries
WarmUp-->>Script: Return after initiating queries
Script->>Script: Continue with DNS checks
The sequence diagram illustrates how the Possibly related PRs
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🚧 Files skipped from review as they are similar to previous changes (1)
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Copilot wasn't able to review any files in this pull request.
Files not reviewed (1)
- chkdm: Language not supported
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Actionable comments posted: 2
🧹 Nitpick comments (1)
chkdm (1)
185-187
: Consider architectural improvements for the warm-up mechanism.The current implementation has several architectural aspects that could be improved:
- The warm-up queries all DNS servers regardless of which checks will be run. Consider making it selective.
- There's no way to measure if the warm-up actually improves performance.
- The feature lacks documentation.
Consider these improvements:
- Add command-line flags to:
- Enable/disable warm-up
- Select which DNS categories to warm up
- Configure warm-up parameters (parallelism, wait time)
- Add timing measurements to validate the performance improvement
- Document the warm-up mechanism in the script's comments and README
Would you like me to provide example implementations for these improvements?
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Just a minor enhancement.
Summary by CodeRabbit