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IsRecoverable now verifies three conditions: - startExclusive >= tailLSN (not recycled) - endInclusive <= headLSN (within WAL) - all LSNs in range exist contiguously (no holes) StateAt now uses base snapshot captured during AdvanceTail: - returns nil for LSNs before snapshot boundary (unreconstructable) - correctly includes block state from recycled entries via snapshot 5 new tests: end-beyond-head, missing entries, state after tail advance, nil before snapshot, block last written before tail. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
sw-block
Private WAL V2 and standalone block-service workspace.
Purpose:
- keep WAL V2 design/prototype work isolated from WAL V1 production code in
weed/storage/blockvol - allow private design notes and experiments to evolve without polluting V1 delivery paths
- keep the future standalone
sw-blockproduct structure clean enough to split into a separate repo later if needed
Suggested layout:
design/: shared V2 design docsprototype/: code prototypes and experiments.private/: private notes, phase development, roadmap, and non-public working material
Repository direction:
- current state:
sw-block/is an isolated workspace insideseaweedfs - likely future state:
sw-blockbecomes a standalone sibling repo/product - design and prototype structure should therefore stay product-oriented and not depend on SeaweedFS-specific paths