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observability
81 postsFixing False Positives in Prometheus Predictive Alerting
Why Prometheus-based predictive alerting models that ace offline tests turn noisy in production, and how query alignment, rate() handling and schema checks fix it.
Netflix Explains Service Topology: A Real-Time Map for Thousands of Microservices
Netflix details Service Topology, a real-time dependency map spanning thousands of microservices. Learn how eBPF, application-layer, and trace data combine for fast incident response.
Bernstein 2.16: The Output-Economy Suite and Safer Agent Summaries
Bernstein 2.16 adds per-role cost attribution, a cost-quality A/B harness, safer proactive context compaction, and schema-enforced completions.
CommitBrief — AI code reviews, right in your terminal
A provider-agnostic, local-first CLI that reviews your staged changes, a historic range, or a whole GitHub pull request. Zero telemetry, no server. Free and open source.
commitbrief.comagentproto 0.5.0 adds credential brokering, sandboxes, honest cost tracking
agentproto 0.5.0 brings credential brokering, sandboxed agent execution, and four-tier cost-source tagging to its open-source orchestration layer.
Netflix's Data Canary: Validating Catalog Metadata at Scale
After an outage caused by corrupted data rather than code, Netflix built a production-traffic data canary system that detects catalog issues within 10 minutes.
Wattage: An Offline Token-Cost Profiler and CI Gate for AI Agents
Wattage profiles AI agent token spend from OTel traces, prices waste in dollars, and gates CI on cost regressions — open-source and offline.
Tracing Async AI Agents: Manual OpenTelemetry Propagation with SigNoz
How to fix broken OpenTelemetry traces in async AI agent pipelines using manual context propagation and SigNoz, from queue to LLM call.
When Agent Tools Return Empty: Who Decides What It Means
Why empty results from agent tool calls hide three distinct failure states, and how typed states, evidence, and retry semantics fix the gap.
Stop Editing Prompts, Build a Context Compiler Instead
Instead of hand-editing prompt strings, treat context assembly as a compiler: versioned templates, testable rules, and full traces of what shipped.
Getting Real Prometheus Metrics Out of Nginx via OpenResty
How a team moved from nginx's four-metric stub_status to full Prometheus observability using OpenResty, solving cardinality and gauge/histogram tradeoffs.