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Programming Tech Brief By HackerNoon

Programming Tech Brief By HackerNoon

What the Heck is Hardcharger?

Programming Tech Brief By HackerNoon · Oct 31, 2026 · 9:12

0:009:12

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This story was originally published on HackerNoon at: https://hackernoon.com/what-the-heck-is-hardcharger.
Hardcharger is GizmoData’s open-source DuckDB 2.0 server, built on Warp SQL, an HTTP protocol streaming Apache Arrow. Every feature included; no license keys.
Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #duckdb, #apache-arrow, #cloud-computing, #hardcharger-explained, #duckdb-2.0, #chargewire-protocol, #gizmosql-successor, #hackernoon-top-story, and more.

This story was written by: @progrockrec. Learn more about this writer by checking @progrockrec's about page, and for more stories, please visit hackernoon.com.

Hardcharger is an open-source server for DuckDB 2.0, built on a new HTTP-based protocol called Chargewire, which streams Apache Arrow and works with any proxy or load balancer. It replaces GizmoSQL and includes features like access control, instrumentation, and single sign-on, previously available only in the Enterprise edition.

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