Switch to chonkie from llamaindex chunker #4838
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
|
The latest updates on your projects. Learn more about Vercel for Git ↗︎
|
![greptile-apps[bot]](https://avatars.githubusercontent.com/in/867647?s=60&v=4){kind=small}
There was a problem hiding this comment.
PR Summary
Major shift from LlamaIndex to Chonkie for document chunking, significantly reducing dependency footprint (21MB vs 80-171MB) while improving chunking performance.
backend/onyx/indexing/chunker.py: Replaces LlamaIndex's SentenceSplitter with Chonkie's SentenceChunker, removing lazy imports and streamlining tokenizationbackend/onyx/utils/timing.py: Added newtimedcontext manager for simpler execution time measurements usingtime.monotonic()- Chunking performance improvements reported: 33x faster tag chunking, 2x faster sentence chunking, maintaining all essential text processing capabilities
- Note: Consider adding performance benchmarks specific to our RAG use case to validate the reported improvements
- Double-check that the token counter wrapper maintains exact compatibility with previous tokenization behavior
3 file(s) reviewed, 2 comment(s)
Edit PR Review Bot Settings | Greptile
AnkitTukatek
pushed a commit
to TukaTek/onyx
that referenced
this pull request
Sep 23, 2025
* Switch to chonkie from llamaindex chunker * Remove un-intended changes * Order requirements * Upgrade chonkie version
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Description
Fixes https://linear.app/danswer/issue/DAN-2055/switch-to-chonkie
How Has This Been Tested?
Existing UT
Backporting (check the box to trigger backport action)
Note: You have to check that the action passes, otherwise resolve the conflicts manually and tag the patches.