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[PR #22726] Optimize tencent_vector knowledge base deletion error handling with batch processing support #30034

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opened 2026-02-21 20:46:43 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 20:46:43 -05:00
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Original Pull Request: https://github.com/langgenius/dify/pull/22726

State: closed
Merged: Yes

Summary

This PR fixes the batch size limitation error in Tencent Vector Database deletion operations by implementing batch processing logic similar to the existing add_texts method.

Issue Fixed: Resolves #22725 - ServerInternalError when deleting large numbers of vector indexes (https://github.com/langgenius/dify/issues/22725)

Context: During knowledge base document retry operations, the system attempts to delete old indexes in bulk. However, when the number of indexes exceeds the API's batch size limit (1000), it causes a server error.

Dependencies: No additional dependencies required for this change.

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Before After
... ...

Checklist

  • This change requires a documentation update, included: Dify Document
  • I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
  • I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
  • I've updated the documentation accordingly.
  • I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods
**Original Pull Request:** https://github.com/langgenius/dify/pull/22726 **State:** closed **Merged:** Yes --- ## Summary This PR fixes the batch size limitation error in Tencent Vector Database deletion operations by implementing batch processing logic similar to the existing add_texts method. **Issue Fixed**: Resolves #22725 - ServerInternalError when deleting large numbers of vector indexes (https://github.com/langgenius/dify/issues/22725) **Context**: During knowledge base document retry operations, the system attempts to delete old indexes in bulk. However, when the number of indexes exceeds the API's batch size limit (1000), it causes a server error. **Dependencies**: No additional dependencies required for this change. ## Screenshots | Before | After | |--------|-------| | ... | ... | ## Checklist - [ ] This change requires a documentation update, included: [Dify Document](https://github.com/langgenius/dify-docs) - [x] I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!) - [x] I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change. - [x] I've updated the documentation accordingly. - [x] I ran `dev/reformat`(backend) and `cd web && npx lint-staged`(frontend) to appease the lint gods
yindo added the pull-request label 2026-02-21 20:46:43 -05:00
yindo closed this issue 2026-02-21 20:46:43 -05:00
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Reference: langgenius/dify#30034
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Deleting a branch is permanent. Although the deleted branch may continue to exist for a short time before it actually gets removed, it CANNOT be undone in most cases. Continue?