Before submitting, make sure you've checked the following:
[ x ] Target branch: Please verify that the pull request targets the dev branch.
[ x ] Description: Provide a concise description of the changes made in this pull request.
[ x ] Changelog: Ensure a changelog entry following the format of Keep a Changelog is added at the bottom of the PR description.
[ x ] Documentation: Have you updated relevant documentation Open WebUI Docs, or other documentation sources?
[ x ] Dependencies: Are there any new dependencies? Have you updated the dependency versions in the documentation?
[ x ] Testing: Have you written and run sufficient tests to validate the changes?
[ x ] Code review: Have you performed a self-review of your code, addressing any coding standard issues and ensuring adherence to the project's coding standards?
[ x ] Prefix: To clearly categorize this pull request, prefix the pull request title using one of the following:
BREAKING CHANGE: Significant changes that may affect compatibility
build: Changes that affect the build system or external dependencies
ci: Changes to our continuous integration processes or workflows
chore: Refactor, cleanup, or other non-functional code changes
docs: Documentation update or addition
feat: Introduces a new feature or enhancement to the codebase
fix: Bug fix or error correction
i18n: Internationalization or localization changes
perf: Performance improvement
refactor: Code restructuring for better maintainability, readability, or scalability
style: Changes that do not affect the meaning of the code (white space, formatting, missing semi-colons, etc.)
test: Adding missing tests or correcting existing tests
WIP: Work in progress, a temporary label for incomplete or ongoing work
Changelog Entry
Description
Fixes an issue with trying to upload more than 500 vectors to S3 Vector buckets, which results in the error below: An error occurred (ValidationException) when calling the PutVectors operation: Request body exceeds max allowed size
Fixed
S3 vector bucket uploads when uploading 500+ files in a single call
Screenshots or Videos
Proof of being able to upload more than 500 vectors in a single call:
Contributor License Agreement
By submitting this pull request, I confirm that I have read and fully agree to the Contributor License Agreement (CLA), and I am providing my contributions under its terms.
🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.
## 📋 Pull Request Information
**Original PR:** https://github.com/open-webui/open-webui/pull/16741
**Author:** [@westbrook-ai](https://github.com/westbrook-ai)
**Created:** 8/20/2025
**Status:** ✅ Merged
**Merged:** 8/20/2025
**Merged by:** [@tjbck](https://github.com/tjbck)
**Base:** `dev` ← **Head:** `s3vector-support`
---
### 📝 Commits (2)
- [`7fcc545`](https://github.com/open-webui/open-webui/commit/7fcc5456727cfce8719218308f800375502b2a94) fix: batch S3 vectors in groups of 500 to comply with API limitations
- [`45d9a72`](https://github.com/open-webui/open-webui/commit/45d9a720b9974a95b1a3c604efd9b3aa6d359a9b) Merge branch 'open-webui:main' into s3vector-support
### 📊 Changes
**1 file changed** (+32 additions, -17 deletions)
<details>
<summary>View changed files</summary>
📝 `backend/open_webui/retrieval/vector/dbs/s3vector.py` (+32 -17)
</details>
### 📄 Description
# Pull Request Checklist
**Before submitting, make sure you've checked the following:**
- [ x ] **Target branch:** Please verify that the pull request targets the `dev` branch.
- [ x ] **Description:** Provide a concise description of the changes made in this pull request.
- [ x ] **Changelog:** Ensure a changelog entry following the format of [Keep a Changelog](https://keepachangelog.com/) is added at the bottom of the PR description.
- [ x ] **Documentation:** Have you updated relevant documentation [Open WebUI Docs](https://github.com/open-webui/docs), or other documentation sources?
- [ x ] **Dependencies:** Are there any new dependencies? Have you updated the dependency versions in the documentation?
- [ x ] **Testing:** Have you written and run sufficient tests to validate the changes?
- [ x ] **Code review:** Have you performed a self-review of your code, addressing any coding standard issues and ensuring adherence to the project's coding standards?
- [ x ] **Prefix:** To clearly categorize this pull request, prefix the pull request title using one of the following:
- **BREAKING CHANGE**: Significant changes that may affect compatibility
- **build**: Changes that affect the build system or external dependencies
- **ci**: Changes to our continuous integration processes or workflows
- **chore**: Refactor, cleanup, or other non-functional code changes
- **docs**: Documentation update or addition
- **feat**: Introduces a new feature or enhancement to the codebase
- **fix**: Bug fix or error correction
- **i18n**: Internationalization or localization changes
- **perf**: Performance improvement
- **refactor**: Code restructuring for better maintainability, readability, or scalability
- **style**: Changes that do not affect the meaning of the code (white space, formatting, missing semi-colons, etc.)
- **test**: Adding missing tests or correcting existing tests
- **WIP**: Work in progress, a temporary label for incomplete or ongoing work
# Changelog Entry
### Description
Fixes an issue with trying to upload more than 500 vectors to S3 Vector buckets, which results in the error below:
`An error occurred (ValidationException) when calling the PutVectors operation: Request body exceeds max allowed size`
### Fixed
- S3 vector bucket uploads when uploading 500+ files in a single call
### Screenshots or Videos
Proof of being able to upload more than 500 vectors in a single call:
<img width="786" height="174" alt="image" src="https://github.com/user-attachments/assets/88e740a1-d66a-4bb9-be15-48b9530e1a56" />
### Contributor License Agreement
By submitting this pull request, I confirm that I have read and fully agree to the [Contributor License Agreement (CLA)](/CONTRIBUTOR_LICENSE_AGREEMENT), and I am providing my contributions under its terms.
---
<sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
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📋 Pull Request Information
Original PR: https://github.com/open-webui/open-webui/pull/16741
Author: @westbrook-ai
Created: 8/20/2025
Status: ✅ Merged
Merged: 8/20/2025
Merged by: @tjbck
Base:
dev← Head:s3vector-support📝 Commits (2)
7fcc545fix: batch S3 vectors in groups of 500 to comply with API limitations45d9a72Merge branch 'open-webui:main' into s3vector-support📊 Changes
1 file changed (+32 additions, -17 deletions)
View changed files
📝
backend/open_webui/retrieval/vector/dbs/s3vector.py(+32 -17)📄 Description
Pull Request Checklist
Before submitting, make sure you've checked the following:
devbranch.Changelog Entry
Description
Fixes an issue with trying to upload more than 500 vectors to S3 Vector buckets, which results in the error below:
An error occurred (ValidationException) when calling the PutVectors operation: Request body exceeds max allowed sizeFixed
Screenshots or Videos
Proof of being able to upload more than 500 vectors in a single call:
Contributor License Agreement
By submitting this pull request, I confirm that I have read and fully agree to the Contributor License Agreement (CLA), and I am providing my contributions under its terms.
🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.