Skip to content

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

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Duncanma merged 4 commits into from
Jul 21, 2026
Merged

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

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
7b04064
cloud/nexus/limits: document caller Namespace cap per Endpoint
mobyvb Jul 17, 2026
4fcce18
Merge branch 'main' into mvb/scaling-nexus-policy-specs
jsundai Jul 17, 2026
5f2c8fc
Merge branch 'main' into mvb/scaling-nexus-policy-specs
mobyvb Jul 20, 2026
16f971a
Merge branch 'main' into mvb/scaling-nexus-policy-specs
Duncanma Jul 21, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions docs/cloud/nexus/limits.mdx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ keywords:
- limits
- rate limits
- max endpoints
- max allowed namespaces
- max operations
- request handler timeout
- max operation duration
Expand All @@ -22,6 +23,7 @@ Nexus limits are documented in [Temporal Cloud limits](/cloud/limits):

- [Nexus rate limits](/cloud/limits#nexus-rate-limits) - Nexus requests count toward the Namespace RPS limit.
- [Nexus Endpoint limits](/cloud/limits#nexus-endpoints-limits) - 100 Endpoints per Account (default).
- [Nexus caller Namespace limits](/cloud/limits#nexus-endpoint-access-policy-limits) - 1,000 caller Namespaces per Endpoint.
- [Per-Workflow Nexus Operation limits](/cloud/limits#per-workflow-nexus-operation-limits) - 30 in-flight Operations per Workflow.
- [Nexus Operation request timeout](/cloud/limits#nexus-operation-request-timeout) - Less than 10 seconds for a handler to process a start or cancel request.
- [Nexus Operation duration limits](/cloud/limits#nexus-operation-duration-limits) - 60-day maximum ScheduleToClose duration.
Expand Down
4 changes: 4 additions & 0 deletions docs/evaluate/temporal-cloud/limits.mdx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -214,6 +214,10 @@ There is no limit on the number of resource IDs or actions within a single permi
By default, each account is provisioned with 100 Nexus Endpoints.
You can request further increases beyond the initial 100 Endpoint limit by [opening a support ticket](/cloud/support#support-ticket).

### Nexus caller Namespace limits {/* #nexus-endpoint-access-policy-limits */}

A single Nexus Endpoint can have a maximum of 1,000 caller Namespaces in its [Access Policy](/nexus/security#runtime-access-controls), the allowlist of Namespaces permitted to use the Endpoint.

## Programming model level

The following limits apply at the programming model level.
Expand Down