Resharding: S3-mediated space migration between tree nodes#227

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Commits on Jul 4, 2026

feat(nodestorage): disk generation marker for fresh-storage detection

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feat(archive): S3 migration engine — ForceArchive, server-side transfer, AdoptArchive RPC

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feat(resharder): drain state machine + deletion tombstone fixes

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feat(archive): prefix sweeper + unindexed-dir reconciliation

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docs: resharding plan + manual e2e runbook

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fix(archivestore): list-based Exists (GCS interop serves stale HEAD) + real-S3 tests

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fix(resharding): close data-loss paths found by review

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feat(resharder): add/remove-node scenario tests + operator guide

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feat(metrics): resharding state gauges

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chore: bump any-sync to resharding branch (swap for tagged release before merge)

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docs: correct the client-behavior claim in the plan (verified against client code)

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Commits on Jul 6, 2026