The Rebirth of InfluxQL in 3.0: A Quick Start Guide to Configuration and Usage

InfluxDB 3.0 has been released alongside native support for SQL and InfluxQL, a SQL-like query language specifically designed to query time series data. The new version has built upon three open-source projects: Apache Arrow, Apache Parquet, and Apache DataFusion, providing improved performance and compatibility with existing applications and plugins. The v1 API is available for backward compatibility, but requires manual configuration of DBRP mappings in Serverless mode. Client libraries have been updated to support InfluxDB 3.0, including Python, Go, JavaScript, C#, Java, and others, allowing developers to leverage the full performance of Apache Arrow Flight while using InfluxQL-based queries. The author recommends starting with the new v3 client libraries and experimenting with them, as well as pointing existing InfluxQL applications at InfluxDB 3.0 to share experiences in the community.

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