Enhanced connection health monitoring. #895
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Hello @acul71 please can I get a review on this? |
bomanaps
changed the title
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@bomanaps : Nice progress, Mercy. I would encourage reviews by @lla-dane and @Sahilgill24 along with @acul71, who all are working in transport protocols and whose work will be positively impacted by your PR. |
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Hello @acul71 @lla-dane & @Sahilgill24 please can I get a review on this? |
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@bomanaps : Also, adding @sukhman-sukh to this thread. Would like him to share his reviews as well. |
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PR #895 Review: Enhanced Connection Health Monitoring
Executive Summary
PR #895 introduces comprehensive connection health monitoring for py-libp2p with excellent implementation quality. However, two key issues need addressing before merge.
Recommendation: ✅ APPROVE with REQUEST for CHANGES
Core Implementation Assessment
✅ Excellent Technical Implementation
- Well-architected: Clean
ConnectionHealthandHealthConfigdataclasses - Feature-complete: Latency tracking, bandwidth monitoring, health-based load balancing
- Production-ready: Proper error handling, validation, and performance optimization
Key Issues Requiring Changes
🚨 1. API Accessibility Gap (Priority: High)
Problem: Health monitoring requires new_swarm() but examples use new_host() API.
# Current: Examples use this (can't enable health monitoring)
host = new_host(key_pair=key_pair)
# Current: Health monitoring requires this (inconsistent with examples)
config = ConnectionConfig(enable_health_monitoring=True)
swarm = new_swarm(connection_config=config)
# Missing: This should work but doesn't
host = new_host(connection_config=config) # ❌ No such parameterImpact: Developers cannot easily add health monitoring to existing host-based code like echo.py.
Solution: Add connection_config parameter to new_host() function.
Detailed API analysis and implementation options provided separately.
⚠️ 2. Integration Testing Gap (Priority: Medium)
Problem: Tests use mocked connections, not real network behavior.
Impact: No validation of actual trio networking with health monitoring.
Solution: Add real-world demonstration to test suite or examples directory.
Example integration demo available showing the system works with real connections.
Recommendations
- Extend
new_host()API - Addconnection_configparameter for API consistency - Add integration demo - Include real-world networking validation
This is a demo I wrote to check the module you can do something like this: #899
Conclusion
Excellent core implementation that significantly enhances py-libp2p's reliability. The health monitoring system is well-designed and performs excellently at scale. However, the API accessibility gap prevents seamless integration into existing code patterns.
Final Recommendation: ✅ APPROVE with REQUEST for CHANGES
Address the API consistency issue to ensure health monitoring is accessible through the standard new_host() interface used throughout the ecosystem.
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What is the purpose of this?
What was wrong?
Issue ##717 (comment)
How was it fixed?
This PR implements a comprehensive connection health monitoring system for Python libp2p, matching the capabilities of the Go and JS reference implementations.
Summary of approach.
ConnectionHealthdataclass to track latency, success rates, stream counts, bandwidth, stability, and health scores per connection.To-Do
To-Do
Cute Animal Picture