docs: update LlamaIndex observability code to use current Arize Phoenix API#680
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octo-patch wants to merge 1 commit into
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docs: update LlamaIndex observability code to use current Arize Phoenix API#680octo-patch wants to merge 1 commit into
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…ix API (fixes huggingface#617) The old LlamaTrace endpoint (llamatrace.com) has migrated to app.phoenix.arize.com and the authentication approach changed, causing 401 errors for users following the Unit 2.2 course material. Replace the deprecated llama-index-callbacks-arize-phoenix callback approach with the current openinference-instrumentation-llama-index + arize-phoenix-otel package, which uses the OpenTelemetry-based LlamaIndexInstrumentor and the updated endpoint. Co-Authored-By: Octopus <liyuan851277048@icloud.com>
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Fixes #617
Problem
The Unit 2.2 (LlamaIndex components) observability section used the old
llamatrace.comendpoint and the deprecatedllama-index-callbacks-arize-phoenixcallback package. The LlamaTrace service has since migrated toapp.phoenix.arize.com, and the old authentication method no longer works, causing 401 errors for all users who try to run the tracing code.Solution
Replace the deprecated callback-based approach with the current OpenTelemetry-based instrumentation:
llama-index-callbacks-arize-phoenix→openinference-instrumentation-llama-index arize-phoenix-otelhttps://llamatrace.com/v1/traces→https://app.phoenix.arize.com/v1/traceshttps://llamatrace.com/login→https://app.phoenix.arize.comset_global_handler("arize_phoenix", ...)→LlamaIndexInstrumentor().instrument(...)via OpenTelemetryThe new approach uses
phoenix.otel.register+LlamaIndexInstrumentor, which is the officially recommended method in the current Arize Phoenix docs.Testing
Code example verified against the Arize-ai/phoenix tracing tutorial and current Phoenix documentation.