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Code Issues 775 Packages Projects Releases 10 Wiki Activity

Maximum chunk length not working in Parent Child Chunking #18962

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opened 2026-02-21 19:54:01 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 19:54:01 -05:00
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Originally created by @seta-namdh-7131 on GitHub (Oct 9, 2025).

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  • 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

1.9.1

Cloud or Self Hosted

Cloud

Steps to reproduce

  1. Create a knowledge, for chunking use Parent Child chunking
  2. Set max maximum chunk length of both parent to 4000
  3. See the preview, the parent chunk length only have 2000 length maximum each
Image

✔️ Expected Behavior

I was expecting the parent chunk length would be 4000

❌ Actual Behavior

The parent chunk length capped at 2000

Originally created by @seta-namdh-7131 on GitHub (Oct 9, 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 1.9.1 ### Cloud or Self Hosted Cloud ### Steps to reproduce 1. Create a knowledge, for chunking use Parent Child chunking 2. Set max maximum chunk length of both parent to 4000 3. See the preview, the parent chunk length only have 2000 length maximum each <img width="1906" height="784" alt="Image" src="https://github.com/user-attachments/assets/21e7d768-2630-434b-8f3f-c331a5197171" /> ### ✔️ Expected Behavior I was expecting the parent chunk length would be 4000 ### ❌ Actual Behavior The parent chunk length capped at 2000
yindo added the 🐞 bugcloud labels 2026-02-21 19:54:01 -05:00
yindo closed this issue 2026-02-21 19:54:01 -05:00
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Reference: langgenius/dify#18962
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