fix(directory): refresh stale lookup ownership - #10500
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ReubenBond merged 1 commit intoAug 11, 2026
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Apply the latest available membership snapshot before forwarding a lookup to an owner which is already known to be invalid. Recompute ownership once so rolling restarts do not surface a transient directory convergence failure to callers. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> Copilot-Session: e6f0afac-dc7e-4f7b-be36-b2412112e981
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During a rolling restart,
LocalGrainDirectorycan calculate an owner from its asynchronously applied directory ring whileISiloStatusOraclehas already observed newer membership and knows that owner is terminating. The resulting genericOrleansExceptionescapes placement and becomes an application-visible request failure.Apply the latest already-available cluster membership snapshot and recompute lookup ownership once before forwarding. If the recalculated owner is still invalid, the existing explicit failure is preserved. Add deterministic coverage for
ShuttingDown,Stopping, andDeadowners without broadening the rolling-upgrade test retry policy.Fixes #10414
Microsoft Reviewers: Open in CodeFlow