turbopuffer v3 rebuilds storage architecture, demotes ANN to secondary index

On October 2, 2026, turbopuffer announced its v3 storage architecture. According to a Hacker News front page report, the rebuild moves the ANN vector index from primary to an ordinary secondary index and switches to a new primary index, to support more SQL queries such as GROUP BY and aggregations. The report does not disclose technical details of the new primary index, a release timeline or performance numbers.

Written by AI from the coverage · updated 1 hour ago

Not enough continuous observations to draw a trend yet.