Stage 7: land P0 cluster-formation substrate + spec-7.2 IC data-plane#30

Merged

sqlrush merged 63 commits into

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stage7-72-integration

Jul 9, 2026

Commits on Jul 7, 2026

perf(cluster): wake LMON on GES work-queue enqueue
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perf(cluster): lower GCS retransmit initial backoff default 100ms -> 10ms
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perf(cluster): wake LMON when LMS publishes a READY serve slot
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perf(cluster): on-demand gating for lazy-able LMON duty-chain families
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feat(cluster): requester-side block-ship latency histogram (16 us buckets)
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fix(cluster): sync backoff C-var initializer with lowered boot_val
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test(cluster): gcs dump-key count baselines 67 -> 83 (ship histogram rows)
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feat(cluster): pgrac.conf per-node data_addr field (DATA-plane listener)
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feat(cluster): tier1 per-plane substrate + HELLO plane/conn_epoch bytes
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fix(cluster): DATA HELLO conn_epoch check is equality vs current epoch
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feat(cluster): LMS-owned DATA-plane interconnect loop
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test(cluster): harnesses declare per-node data_addr
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feat(cluster): msg_type plane field + router plane gates
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feat(cluster): route the X->S downgrade notify through the staging helper
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feat(cluster): DATA-plane outbound ring + registry-probed twin plumbing
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fix(cluster): request the DATA-ring named LWLock tranche
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feat(cluster): INV-7.2-CONN-EPOCH substrate + DATA-plane fence linkage
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feat(cluster): LMS data-plane wait events + injection points
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test(cluster): sync injection-registry and wait-event pins to spec-7.2 D6
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fix(cluster): spawn LMS on hot-standby postmaster state
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fix(cluster): bind DATA conn_epoch to the local current epoch
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fix(cluster): fence-gate only the image-bearing LMS data-plane legs
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feat(cluster): flip the GCS block family onto the LMS DATA plane
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test(cluster): sync stale count baselines to spec-7.2 D6 additions
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test(cluster): spec-7.2 D7 value gate + honest-SKIP fault legs (t/360)
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Commits on Jul 8, 2026

Commits on Jul 9, 2026