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Can't select load balancing #15959

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opened 2026-02-21 19:24:07 -05:00 by yindo · 1 comment
yindo commented 2026-02-21 19:24:07 -05:00
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Originally created by @zhaojunfeng on GitHub (Aug 7, 2025).

Self Checks

  • I have read the Contributing Guide and Language Policy.
  • This is only for bug report, if you would like to ask a question, please head to Discussions.
  • I have searched for existing issues search for existing issues, including closed ones.
  • I confirm that I am using English to submit this report, otherwise it will be closed.
  • 【中文用户 & Non English User】请使用英语提交，否则会被关闭 ：）
  • Please do not modify this template :) and fill in all the required fields.

Dify version

1.7.1

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

  1. go Settings->Model Provider
  2. choose any mode to Config Load Balancing
  3. click load balancing option, but no responding
Image

I have tried to turn on load balancing flag in DB manually, then I saw load balancing form.
After I filled the form and tried to submitted, and got a errr msg 'context_size is required'

✔️ Expected Behavior

Show load balancing form

❌ Actual Behavior

click load balancing, but no responding. and no error log in chrome console

Originally created by @zhaojunfeng on GitHub (Aug 7, 2025). ### Self Checks - [x] I have read the [Contributing Guide](https://github.com/langgenius/dify/blob/main/CONTRIBUTING.md) and [Language Policy](https://github.com/langgenius/dify/issues/1542). - [x] This is only for bug report, if you would like to ask a question, please head to [Discussions](https://github.com/langgenius/dify/discussions/categories/general). - [x] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones. - [x] I confirm that I am using English to submit this report, otherwise it will be closed. - [x] 【中文用户 & Non English User】请使用英语提交，否则会被关闭 ：） - [x] Please do not modify this template :) and fill in all the required fields. ### Dify version 1.7.1 ### Cloud or Self Hosted Self Hosted (Docker) ### Steps to reproduce 1. go Settings->Model Provider 2. choose any mode to Config Load Balancing 3. click load balancing option, but no responding <img width="1711" height="676" alt="Image" src="https://github.com/user-attachments/assets/ecb6b8c5-493b-4b8b-aaad-ca6a5dc6d414" /> I have tried to turn on load balancing flag in DB manually, then I saw load balancing form. After I filled the form and tried to submitted, and got a errr msg 'context_size is required' ### ✔️ Expected Behavior Show load balancing form ### ❌ Actual Behavior click load balancing, but no responding. and no error log in chrome console
yindo added the 🐞 bug label 2026-02-21 19:24:07 -05:00
yindo closed this issue 2026-02-21 19:24:08 -05:00
yindo commented 2026-02-21 19:24:08 -05:00
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@dosubot[bot] commented on GitHub (Aug 7, 2025):

The Load Balancing feature is not supported in self-hosted (Docker) or Community Edition deployments of Dify—it's only available in the SaaS paid or enterprise editions. The UI is intentionally unresponsive for this feature in self-hosted setups, and enabling it via the database or environment variables won't make it functional. The 'context_size is required' error comes from backend validation, but even if you resolve it, the feature will remain unavailable in your environment. For advanced load balancing, you'll need to use the SaaS/enterprise edition, or set up an external reverse proxy like NGINX or HAProxy for basic distribution in self-hosted setups (source, more, more).

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@dosubot[bot] commented on GitHub (Aug 7, 2025): <!-- Answer --> The Load Balancing feature is not supported in self-hosted (Docker) or Community Edition deployments of Dify—it's only available in the SaaS paid or enterprise editions. The UI is intentionally unresponsive for this feature in self-hosted setups, and enabling it via the database or environment variables won't make it functional. The 'context_size is required' error comes from backend validation, but even if you resolve it, the feature will remain unavailable in your environment. For advanced load balancing, you'll need to use the SaaS/enterprise edition, or set up an external reverse proxy like NGINX or HAProxy for basic distribution in self-hosted setups ([source](https://github.com/langgenius/dify/issues/20432), [more](https://github.com/langgenius/dify/issues/20090), [more](https://github.com/langgenius/dify/issues/21212)). <!-- Dosu Comment Footer --> *To reply, just mention [@dosu](https://go.dosu.dev/dosubot).* --- <sup>How did I do? [Good](https://app.dosu.dev/response-feedback/429cf025-b275-4907-a3bb-f36039faeb7c?feedback_type=great_response) | [Irrelevant](https://app.dosu.dev/response-feedback/429cf025-b275-4907-a3bb-f36039faeb7c?feedback_type=irrelevant_answer) | [Incorrect](https://app.dosu.dev/response-feedback/429cf025-b275-4907-a3bb-f36039faeb7c?feedback_type=incorrect_sources) | [Verbose](https://app.dosu.dev/response-feedback/429cf025-b275-4907-a3bb-f36039faeb7c?feedback_type=too_verbose) | [Hallucination](https://app.dosu.dev/response-feedback/429cf025-b275-4907-a3bb-f36039faeb7c?feedback_type=hallucination) | [Report ����](https://app.dosu.dev/response-feedback/429cf025-b275-4907-a3bb-f36039faeb7c?feedback_type=bug_report) | [Other](https://app.dosu.dev/response-feedback/429cf025-b275-4907-a3bb-f36039faeb7c?feedback_type=other)</sup>&nbsp;&nbsp;[![Chat with Dosu](https://dosu.dev/dosu-chat-badge.svg)](https://app.dosu.dev/6088a4f4-073a-43f3-b3d4-4f06fb0c05a0/ask?utm_source=github)&nbsp;[![Join Discord](https://img.shields.io/badge/join-5865F2?logo=discord&logoColor=white&label=)](https://go.dosu.dev/discord-bot)&nbsp;[![Share on X](https://img.shields.io/badge/X-share-black)](https://twitter.com/intent/tweet?text=%40dosu_ai%20helped%20me%20solve%20this%20issue!&url=https%3A//github.com/langgenius/dify/issues/23548)
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Reference: langgenius/dify#15959
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