The Feldera Blog

An unbounded stream of technical articles from the Feldera team

Universal IVM: Incremental View Maintenance for the Modern Data Stack

Incremental View Maintenance is a paradoxical concept: it's lived in the database community’s collective conscience for decades, yet has never fully materialized as a feature in any modern DB. In my view, a complete IVM engine must: support arbitrary SQL queries, over data of any size, fully incrementally—processing input changes without full recomputation.

Incremental Update 23

Better setting settings display.

Incremental Update 22

New rust crate, storage on by default and new delta-lake connector settings.

Cutting Down Rust Compile Times From 30 to 2 Minutes With One Thousand Crates

We compile SQL into Rust. One customer wrote so much SQL, it turned into 100k+ lines of Rust — and took 30+ minutes to build. The fix? Split it into over a thousand crates. Now we get full CPU utilization and sub-3-minute builds. Here's how we made Rust compile times scale with hardware.

Incremental Update 21

Faster pipeline compilation, and better ad-hoc queries.

Feldera: three tools for the price of one

Feldera is not just a database engine. Feldera SQL is in some respects substantially more powerful than standard SQL, enabling new use cases.

Incremental Update 20

Everything that's new in v0.41.

The Pain That Is Github Actions

Developing a Github Actions CI pipeline is a hazardous process.

Incremental Update 19

Everything that's new in v0.39.