perf(server): remove the WAL coordination ceiling + 1M-stream cliff; memory mode 4× faster; crash-sim + 3 recovery fixes#4675

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perf/combined-t1a-t1c-t2a

Jul 6, 2026

Commits on Jun 30, 2026

perf(wal): add contention telemetry + local repro harness

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claude
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perf(wal): add faithful Linux repro harness + baseline

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perf(wal): integrate t1a (lock-free dirty) + t1c (coalesced wakeups) + t2a (dedicated committer threads)

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claude
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Commits on Jul 1, 2026

feat(server): add --worker-threads to pin the runtime pool size

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claude
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Commits on Jul 2, 2026