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cloud/nexus/limits: document caller Namespace cap per Endpoint - #4907

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Duncanma merged 4 commits into
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mvb/scaling-nexus-policy-specs
Jul 21, 2026
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cloud/nexus/limits: document caller Namespace cap per Endpoint#4907
Duncanma merged 4 commits into
mainfrom
mvb/scaling-nexus-policy-specs

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@mobyvb

@mobyvb mobyvb commented Jul 17, 2026

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What does this PR do?

Documents a new Nexus Endpoint limit: an Endpoint's Access Policy (the allowlist of caller Namespaces permitted to use it) is capped at 1,000 entries.

  • Adds a "Nexus Endpoint Access Policy limits" subsection to the canonical Cloud limits page (/cloud/limits).
  • Adds a matching bullet and keyword to the Nexus limits summary page (/cloud/nexus/limits).

The limit was not previously documented, so this adds a new entry rather than editing an existing number.

Notes to reviewers

This documents a server-side validation cap being added in the control plane (internal ticket CLDGR-1790); the code PR is not yet merged, so please coordinate merge timing so the docs don't describe the limit before it ships. The cap value is 1,000, set well above the current largest Access Policy so no existing Endpoint is affected.

┆Attachments: EDU-6741 cloud/nexus/limits: document caller Namespace cap per Endpoint

@mobyvb
mobyvb requested review from a team and bechols as code owners July 17, 2026 03:36
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temporal-documentation Ready Ready Preview, Comment Jul 21, 2026 3:11pm

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Comment thread docs/evaluate/temporal-cloud/limits.mdx Outdated
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📖 Docs PR preview links

Add the 1,000 caller Namespace maximum (a Nexus Endpoint's Access Policy
allowlist) to the Cloud limits reference and the Nexus limits summary
page, matching the new server-side validation cap.
@nikki-dag
nikki-dag requested review from a team, Duncanma and jsundai July 17, 2026 14:25
@jsundai

jsundai commented Jul 17, 2026

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Thanks mobyvb for the contribution. 🙌 Let me know when this is ready to merge!

@mobyvb

mobyvb commented Jul 17, 2026

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@jsundai I want to wait until Monday when the limit will actually be deployed. I will send you a ping then.

@mobyvb

mobyvb commented Jul 20, 2026

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@jsundai this is ready to be merged

@Duncanma
Duncanma removed the request for review from prasek July 21, 2026 15:50
@Duncanma
Duncanma merged commit c9cd49a into main Jul 21, 2026
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@Duncanma
Duncanma deleted the mvb/scaling-nexus-policy-specs branch July 21, 2026 15:50
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7 participants