# Indexing the Data Lake for Online Point Queries

DevFeed: [Indexing the Data Lake for Online Point Queries](<https://devfeed.tech/articles/indexing-the-data-lake-for-online-point-queries-152.md>)

Original publisher: [Read original article](<https://engineering.atspotify.com/2026/7/indexing-the-data-lake-for-online-point-queries/>)

Author: Spotify Engineering

Published: 2026-07-27T20:34:28Z

Content type: article

Language: en

Sources: [Spotify Engineering](<https://devfeed.tech/sources/spotify-engineering.md>), [Spotify Engineering Blog](<https://devfeed.tech/sources/spotify-engineering-blog.md>)

Topics: [AI, ML & Data Engineering](<https://devfeed.tech/topics/ai-ml-data-engineering.md>), [Amazon S3](<https://devfeed.tech/topics/amazon-s3.md>)

Tags: [ai-agent](<https://devfeed.tech/tags/ai-agent.md>), [analytics](<https://devfeed.tech/tags/analytics.md>), [bigquery](<https://devfeed.tech/tags/bigquery.md>), [data](<https://devfeed.tech/tags/data.md>), [infrastructure](<https://devfeed.tech/tags/infrastructure.md>), [low-latency](<https://devfeed.tech/tags/low-latency.md>), [parquet](<https://devfeed.tech/tags/parquet.md>), [sql](<https://devfeed.tech/tags/sql.md>), [storage](<https://devfeed.tech/tags/storage.md>)

## AI overview

Spotify describes Random Access Parquet (RAP), which uses an external index and ranged reads to support low-latency key-based lookups in data-lake Parquet files without maintaining separate serving copies.

## Source excerpt

Companies like Spotify need vast quantities of data accessible at low latency for online services and,... The post Indexing the Data Lake for Online Point Queries appeared first on Spotify Engineering.