[DataFlow runtime · M6 3/4] M5/M6 adversarial-review hardening#611
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…ility, reconcile gate, USP 4-rank test - LocalFeatureStore: gc() counts freed_bytes on a successful release-pending retry; release() sid hoist + comment; get() lock-scope comment. - SQLiteMetadataStore: synchronous=FULL; all_committed_ids ORDER BY rowid. - controller.reconcile_on_restart gates release on optimizer_durable (not global_step is not None). - test_equiv_4rank uses attention_backend='usp' + a flash-attn skip guard. - regression tests in test_feature_store / test_recovery. (The disaggregated.py per-generation rewrite that was previously bundled here now lives in #609 alongside the SharedDirFeatureStore it hardens.) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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June 29, 2026 16:03
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Jun 29, 2026
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M5/M6 adversarial-review hardening (LocalFeatureStore + control plane).
gc()countsfreed_byteson a successful release-pending retry; lease registered under the existence-check lock;release()cleanup.synchronous=FULL;all_committed_idsORDER BY rowid.reconcile_on_restartgates release onoptimizer_durable(notglobal_step is not None).attention_backend='usp'+ flash-attn skip guard.test_feature_store/test_recovery.The SharedDirFeatureStore per-generation B5 rewrite that was previously bundled in this PR now lives in #609 alongside the store it hardens. (Hot-update / weight-version-control intentionally NOT included.)
Part of the DataFlow runtime M5/M6 stacked series (continues the M1–M4 work in #594–#601 / #603). Stacked PRs — merge bottom-up (up-9 first). Lint (pre-commit) + runtime CPU test suite green.
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