Use Case: DNS Troubleshooting Is any network communication failing? Is it DNS? Is it an application or network problem? Which services have experienced a DNS resolution problems in the last 5 minutes?pic.twitter.com/uMJ0I6HL0c
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Use Case: DNS Troubleshooting Is any network communication failing? Is it DNS? Is it an application or network problem? Which services have experienced a DNS resolution problems in the last 5 minutes?pic.twitter.com/uMJ0I6HL0c
Use Case: Network Monitoring: Why is communication failing? Is it an application or network problem? Is the communication broken on layer 4 (TCP) or layer 7 (HTTP)?pic.twitter.com/N0kMLvBAvk
Use Case: Service Map What services are communicating with each other? How frequently? What does the service dependency graph look like? What HTTP calls are being made? What Kafka topics does a service consume from or produce to?pic.twitter.com/rRiDHa2ixx
Use Case: Application Monitoring What is the rate of 5xx or 4xx HTTP response codes for a particular service or across all clusters? What is the 95th and 99th percentile latency between HTTP requests and responses in my cluster? Which services are performing the worst?pic.twitter.com/hrSPNmjtGR
Use Case: Security observability Which services had connections blocked due to network policy? What services have been accessed from outside the cluster? Which services have resolved a particular DNS name?pic.twitter.com/TBhxmpHS5c
Use Case: Flow statistics Identifying pods which have received DNS responses indicating failurepic.twitter.com/MpvlD5YzPf
Interesting! What's the performance hit of using Hubble?
It depends on the amount of aggregation configured in the eBPF datapath and whether you enable L7 visibility. We will publish numbers soon. It will be low if configured correctly.
Left field question: those graphs look lovely. What's the library behind them?
The graphs are rendered using @grafana
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