Comparison of the Open Source OLAP Systems for Big Data: ClickHouse, Druid, and Pinot
In this post I want to compare ClickHouse, Druid, and Pinot, the three open source data stores that run analytical queries over big volumes of data with interactive latencies. Warning: this post is pretty big, you may want to read just the “Summary” section in the end. Sources of InformationI learned the implementation details of ClickHouse from Alexey Zatelepin, one of the core developers. The be
Open Sourcing Pinot: Scaling the Wall of Real-Time Analytics
Last fall we introduced Pinot, LinkedIn’s real-time analytics infrastructure, that we built to allow us to slice and dice across billions of rows in real-time across a wide variety of products. Today we are happy to announce that we have open sourced Pinot. We’ve had a lot of interest in Pinot and are excited to see how it is adopted by the open source community. We’ve been using it at LinkedIn fo
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