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Commits on Jun 30, 2026

• MLC allocator: L0-gated data-share floor to break deep-level starvation doom loop

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Commits on Jun 18, 2026

• MLC allocator: add model-stability gate, fixed-interval loop

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Commits on Jun 15, 2026

• Fix usage_ accounting leak in W-TinyLFU doorkeeper rejection path

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• Add lock-free frequency-aware admission (W-TinyLFU) to HyperClockCache

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Commits on Jun 13, 2026

• Cap MLC allocator level capacity at data size to reclaim surplus.

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• Add Cacheus zipfian hit-ratio diagnostic micro-benchmarks.

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• Size MLC Auto HCC sub-cache mmap for the whole budget, not the equal split.

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Commits on Jun 12, 2026

• Cut MLC hot-path overhead and stabilize allocator capacity decisions.

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• Purge MLC sub-caches to capacity after allocator shrinks to reclaim stale blocks.

  

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• Replace dynamic_cast with Name-based dispatch in MultiLevelCache for no-RTTI builds.

  

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• Refresh block cache key level tag on table access to survive trivial moves.

  

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Commits on Jun 10, 2026

• Add ResetWrapperCounters to ARC/Cacheus and the sharding router.

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• Add wrapper-level sharding for ARC/Cacheus caches.

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• Expose per-level usage in MultiLevelCache stats.

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• Fix ARC capacity under-utilization and frozen adaptation target.

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• Make ClockCache Unref a no-op for zero counts.

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Commits on Jun 9, 2026

• Preserve base cache-key identity in MultiLevelCache routing.

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• Update build-tests generated build artifacts.

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• Prune stale pending miss metadata in ARC and Cacheus.

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• Preserve key generation state during insert generation advance.

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• Harden ARC/Cacheus tombstone lifecycle and wrapper accounting.

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• Fix wrapper-backing consistency edge cases and decouple MLC sample consumers.

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Commits on Jun 8, 2026

• Improve dynamic SR-HCC adaptation stability and lower sampling overhead.

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• Integrate ARC cache as a selectable RocksDB strategy

  

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• Merge branch 'exp/adding-cacheus' into main

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Commits on Jun 7, 2026

• Add SRHCC support and extend MultiLevelCache cache policy controls.

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Commits on May 11, 2026

• Use pure Cacheus in mlc_model_cacheus_robust_hit_rate.

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Commits on May 5, 2026

• Improve cache sweep robustness for cacheus comparison.

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Commits on Apr 30, 2026

• WIP: cacheus experiment

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• Add effective-data comparison mode for mlc_model sweeps.

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• Relax alpha upper bound for high-capacity modeling.

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Commits on Apr 29, 2026

• Improve MultiLevelCache observability and control for model tuning.

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Commits on Apr 28, 2026

• Decouple key-space size from fill write volume in cache sweep script.

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Commits on Apr 27, 2026

• Stabilize shadow alpha estimation with configurable sampling and windows.

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• Add pluggable alpha estimators and sweep variant matrix.

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