docs: Warn operators to bound grpc-max-response-pool-size - #8880
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yinggeh merged 1 commit intoJul 13, 2026
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Add deployment guidance for decoupled gRPC streaming exposed to untrusted clients so operators set an explicit limit instead of relying on the default INT_MAX.
whoisj
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Jul 13, 2026
yinggeh
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July 13, 2026 20:54
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What does the PR do?
Adds a deployment warning under
--grpc-max-response-pool-sizein the secure deployment guide. Operators exposing decoupled gRPC streaming to untrusted clients should set an explicit bounded value for this option instead of relying on the defaultINT_MAX.Checklist
<commit_type>: <Title>Commit Type:
Check the conventional commit type
box here and add the label to the github PR.
Related PRs:
N/A
Where should the reviewer start?
docs/customization_guide/deploy.md— the new warning under--grpc-max-response-pool-size.Test plan:
Documentation-only change; no runtime tests required.
Verified the added warning text matches the agreed deployment guidance.
CI Pipeline ID:
N/A
Caveats:
None.
Background
External security researchers asked which deployment guideline documents the intended mitigation for unbounded decoupled gRPC response queue growth. This documents the recommended operator action for that scenario.
Related Issues: (use one of the action keywords Closes / Fixes / Resolves / Relates to)
N/A