LlamaIndex Observability & Monitoring (Python)
LlamaIndex Observability & Monitoring (Python)
Section titled “LlamaIndex Observability & Monitoring (Python)”Latest: 0.14.20 | Updated: April 2026 Upstream: https://github.com/run-llama/llama_index/releases | https://pypi.org/project/llama-index/
Tracing
Section titled “Tracing”- Wrap query engine invocations with OTEL spans; include index name, retriever type, tokens
Metrics
Section titled “Metrics”- Histogram for latency; counters for calls, failures; gauge for cache hit rate
- Structured logs with request ID and source nodes used