Elasticsearch Under the Hood

Dive deep into the inner workings of Elasticsearch in this comprehensive conference talk from NDC Copenhagen 2022. Explore crucial concepts such as shards, primaries, and replicas, and understand where Lucene fits into the architecture, including its role in segments. Learn about node balancing techniques, comparing CPU and storage considerations, and discover best practices for instance sizing and performance optimization. Examine various node types, including data nodes, ingest nodes, and coordinating nodes. Gain insights into scaling for memory, throttling techniques, and effective benchmarking methods. Explore common tuning options, such as adjusting the refresh_interval, to enhance Elasticsearch performance. This in-depth presentation provides valuable knowledge for developers and system administrators looking to master Elasticsearch's underlying mechanisms and improve their implementation strategies.

Elasticsearch Under the Hood - Philipp Krenn - NDC Copenhagen 2022