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pingqiuandClaude Opus 4.6
942a0b7da7
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>
V2 Prototype
Experimental WAL V2 prototype code lives here.
Current prototype:
fsmv2/: pure in-memory replication FSM prototypevolumefsm/: volume-level orchestrator prototype abovefsmv2distsim/: early distributed/data-correctness simulator with synthetic 4K block values
Rules:
- do not wire this directly into WAL V1 production code
- keep interfaces and tests focused on architecture learning
- promote pieces into production only after V2 design stabilizes
Windows test workflow
Because normal go test may be blocked by Windows Defender when it executes temporary test binaries from %TEMP%, use:
powershell -ExecutionPolicy Bypass -File .\sw-block\prototype\run-tests.ps1
This builds test binaries into the workspace and runs them directly.