joi 30 iulie 2026

FBSimCity v0.4.0: the backup yard — gbak pins the OIT, nbackup fills the delta

joi 30 iulie 2026, 14:47

backup fbsimcity firebird gbak internals mvcc nbackup visualization

FBSimCity — the explorable isometric city of Firebird internals — is at v0.4.0, and this release adds a whole backup yard, built around what gbak and nbackup actually do. gbak: the backup that pins your OIT gbak takes a logical backup online: it attaches like any other client and reads every table through a snapshot transaction. That snapshot is the interesting part — it pins

marţi 28 iulie 2026

Marius - Adrian Popa

FBSimCity: an explorable city that shows how Firebird works

marţi 28 iulie 2026, 11:25

fbsimcity firebird internals mvcc visualization

I've published FBSimCity, an interactive visualization of Firebird internals: an explorable isometric city where every building is a subsystem from the classic Conceptual Architecture for Firebird paper (Chan & Yashkir), and queries commute through the pipeline as glowing particles — REMOTE harbor → Y-valve → DSQL → JRD, with the lock manager tower watching over it. The

sâmbătă 25 iulie 2026

Eugeniu Pătraşcu