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Fast-Path Search in OrioleDB

Alexander Korotkov describes a new feature coming to OrioleDB:

When you optimize the CPU time of a transactional database management system, it comes down to one question: how fast can you read a page without breaking consistency? In this post, we explore how OrioleDB avoids locks, trims memory copies, and — starting with beta12 — even bypasses both copying and tuple deforming altogether for fixed-length types during intra-page search. This means that not only are memory copies skipped, but the overhead of reconstructing tuples is also eliminated. The result: an even faster read path, with no manual tuning required.

Read on to see what’s new and how it works.