Tag: concurrency
Episode 496: Bruce Momjian on Multi-Version Concurrency Control in Postgres (MVCC)

This week, Postgres server developer Bruce Momjian joins host Robert Blumen for a discussion of multi-version concurrency control (MVCC) in the Postgres database. They begin with a discussion of the isolation requirement in database transactions (I in ACID); how isolation can be achieved with locking; limitations of locking; how locking limits concurrency and creates variability […]
Episode 486: Bob Nystrom on Dart

Bob Nystrom, author of Crafting Interpreters and a software engineer at Google working on the Dart programming language, discusses the key features of Dart that make it an excellent choice for fast apps on any platform. Host Gavin Henry spoke with Nystrom about Dart’s history, hardware out of your control, async-await, concurrency, mobile platforms, threads, […]
Episode 485: Howard Chu on B+tree Data Structure in Depth

Howard Chu, CTO of Symas Corp and chief architect of the OpenLDAP project, discusses the key features of B+tree data structures, which are the default selection for efficient and predictable storage of sorted data. Host Gavin Henry spoke with Chu about B+tree data structures; why they allow searches, insertions, and deletions in logarithmic time; what […]
Episode 447: Michael Perry on Immutable Architecture

Michael L. Perry discusses his recently published book, The Art of Immutable Architecture. Using familiar examples such as git and blockchain, he distinguishes immutable architecture from other approaches and addresses possible misunderstandings about designing an architecture for immutability. Michael and host Jeff Doolittle also examine other relevant topics such as location independence, conflict-free replicated data […]