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Apache Pinot: A Step-by-Step Guide to Setting Up a Real-Time OLAP Database for Sub-100ms Analytics Dashboards
Apache Pinot is a distributed OLAP datastore that enables analytics queries across billions of rows with sub-100ms latency, used by LinkedIn and Uber for user-facing dashboards. This guide walks you through step-by-step installation with Docker, configuring schemas and star-tree indexes, loading CSV data, and monitoring cluster health.