Lesson 2.3
Keeping the index fresh
Content changes and stale chunks keep getting retrieved. Incremental reindexing driven by content events beats rebuilding everything nightly.
Taught byPriya RamanLLMs · RAG · Prompt engineering · Evaluation
Overview
Content changes and stale chunks keep getting retrieved. Incremental reindexing driven by content events beats rebuilding everything nightly.
What this lesson covers
- Reindex incrementally on content change events
- Delete chunks whose source no longer exists
- Version the index so a bad run can be rolled back
This lesson sits in Ingestion and Indexing, part of Retrieval-Augmented Generation from Scratch. It assumes what came before it and leads directly into the next lesson in the module.
In this lesson you will:
- Reindex incrementally on content change events
- Delete chunks whose source no longer exists
- Version the index so a bad run can be rolled back