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What is in a Lucene index? Adrien Grand, Software Engineer, Elasticsearch

LuceneSolrRevolution · talk · Watch on YouTube

Databases & storageAlgorithms & data structures

What it is

Elasticsearch engineer and Lucene committer Adrien Grand explains the design decisions inside a Lucene index and what problems it can and cannot solve. The talk goes into how Lucene stores data for fast search and analytics.

Why Hacker News recommends it

HN recommends it as an instructive, easy-to-follow look at Lucene internals from a core committer.

  • 3 people recommended it
  • 3 different months
  • 1 strong recommendations
  • first 2019, last 2020

What HN commenters said

  1. “I can super highly recommend talks by Adrien Grand on Lucene and Elasticsearch.”

    Instructive, easy-to-follow talks on Lucene internals

    drej, 2020-01 · Strong recommendation · in “Elasticsearch from the Bottom Up (2013)”

  2. “A nice view of how lucene internals work by core committer Adrien Grand”

    Look at Lucene internals from a core committer

    ddorian43, 2019-09 · Recommendation · in “Challenges in Implementing a Full-Text-Search Engine”

  3. “found this video really good”

    Good review of Lucene concepts

    stereosteve, 2020-06 · Recommendation · in “Reducing search indexing latency to one second”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: lucene, elasticsearch, full-text search, inverted index, search engines

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