Langfuse v4, day 2 (5 of 10): the worker's thirty-nine queues, and the three that decide whether you lose dataSep 14, 2026
Langfuse v4, day 2 (4 of 10): migrating from 3 to 4 with no window, and where the point of no return sitsSep 14, 2026
Langfuse v4, day 2 (3 of 10): two well-known agents instrumented, Open Deep Research and GPT ResearcherSep 14, 2026
Langfuse v4, day 2 (2 of 10): putting LangGraph in front, and what one agent turn costs in observationsSep 13, 2026
Langfuse v4, day 2 (1 of 10): the data model changed underneath, and what really goes into a traceSep 12, 2026
The gateway does not live alone: the JWT that does not validate the audience, the user who never reaches the trace, and the seams you have to write by handSep 12, 2026
LiteLLM's MCP gateway: the second front door, the tool catalogue nobody bills, and why filtering it can make selection worseSep 11, 2026
LiteLLM and Langfuse: the operational pair, and the four places where the trace is lost between the gateway and the dashboardSep 7, 2026
Langfuse from the inside: the sorting centre that must not become the bottleneck it came to observeJun 6, 2026
Anatomy of the twelve DCGM and five vLLM metrics: analogies, documented anomalies and real cases 2024-2026Jun 2, 2026
GPU observability for LLM inference: the twelve DCGM and vLLM metrics that dictate the health of your productionJun 1, 2026
Anatomy of an on-premise LLM inference stack: the seven layers that have to hold each other upMay 30, 2026
LLM tracing with OpenTelemetry GenAI: the aircraft black box the field stabilised in 2026May 27, 2026
eBPF in local inference and statistical drift detection: closing the LLM observability loop in 2026May 20, 2026
MCP from the inside and its deep observability: the LSP of AI agents and how to see everything with OpenTelemetryMay 20, 2026
AgentSight and the new LLM tracing: zero-instrumentation with eBPF against Langfuse, LangSmith, Phoenix and companyMay 19, 2026
Hubble: eBPF network observability, state of the art 2026 and the new frontier with AI agentsMay 19, 2026