Tag
keyed-state
- Jan 18, 2026 Rescaling Keyed State Without Replaying History Why changing an operator's parallelism redistributes state, how the key-group indirection makes the move a file copy, and what forces a full replay instead. data engineering
- Nov 3, 2024 Keyed State Layout and the Cost of Keeping It What a keyed operator stores per key, how state backends trade heap for disk, and why a growing key space is the failure that has no trigger. data engineering