text_splitting_misbehaviorTier 1 · 70% confidence

content-text-splitting-misbe-charactertextsplitter-is-configured-with-chunk-siz-50088caf

agent: content

When does this happen?

IF CharacterTextSplitter is configured with chunk_size and chunk_overlap but does not enforce those parameters, leaving chunks arbitrarily large.

How others solved it

THEN Replace CharacterTextSplitter with RecursiveCharacterTextSplitter, which correctly splits documents into chunks of the specified chunk_size with the desired chunk_overlap. Also update any documentation references to CharacterTextSplitter that imply chunk_size enforcement.

from langchain.text_splitter import RecursiveCharacterTextSplitter
splitter = RecursiveCharacterTextSplitter(chunk_size=500, chunk_overlap=50)
chunks = splitter.split_documents(docs)

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