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34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
/*
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* dump_verify.h — Post-dump plausibility gate (#334 design b).
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*
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* Compares committed in-memory node counts against persisted SQLite rows
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* after index_repository completes. Nodes-only gate (edges shrink legitimately
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* at dump when endpoints fail to resolve).
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*/
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#ifndef CBM_DUMP_VERIFY_H
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#define CBM_DUMP_VERIFY_H
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#include <stdbool.h>
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/** Repos with at most this many committed nodes skip the ratio gate. */
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enum { CBM_DUMP_VERIFY_MIN_FLOOR = 50 };
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/** Default minimum persisted/committed ratio when env is unset. */
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#define CBM_DUMP_VERIFY_DEFAULT_RATIO 0.5
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/**
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* True when persisted_nodes is implausibly below committed_nodes.
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*
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* Returns false when ratio <= 0 (gate disabled), committed_nodes < 0 (no dump),
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* or persisted >= committed * ratio. Sparse repositories skip the ratio gate,
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* but complete persistence loss is degraded for every positive committed count.
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* Returns true when persisted_nodes < 0 (count error).
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*/
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bool cbm_dump_verify_is_degraded(int committed_nodes, int persisted_nodes, double ratio,
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int min_floor);
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/** Read CBM_DUMP_VERIFY_MIN_RATIO (0..1); invalid/unset -> default 0.5. Set 0 to disable. */
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double cbm_dump_verify_min_ratio(void);
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#endif /* CBM_DUMP_VERIFY_H */
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