Garbage-Collection · OpenResty Official Blog

Garbage-Collection

OPENRESTY Aug 24, 2026

OPENRESTY Updated Aug 24, 2026 12 mins read

P99 Latency in a D Service Cut 73%: Conservative GC Meets an O(n) Query Under Load

d-lang flame-graph performance garbage-collection

Analyzing GC Traps and Business Hotspots in the Flame Graph
Optimization Roadmap: Why Sequence Is More Important Than Action
Conclusion: From Code Logic to Runtime Reality

Analyzing GC Traps and Business Hotspots in the Flame Graph
Optimization Roadmap: Why Sequence Is More Important Than Action
Conclusion: From Code Logic to Runtime Reality

OpenResty XRay Aug 24, 2026

OpenResty XRay Updated Aug 24, 2026 7 mins read

Pinpointing CPU-Hottest Go Code Paths Inside Prometheus (using OpenResty XRay)

tutorial openresty-xray prometheus garbage-collection go

Problem: high CPU usage
Use the guided analysis feature of OpenResty XRay to spot the CPU-hottest Go code paths
Automatic analysis and reports
What is OpenResty XRay

Problem: high CPU usage
Use the guided analysis feature of OpenResty XRay to spot the CPU-hottest Go code paths
Automatic analysis and reports
What is OpenResty XRay

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