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feat: allow env var to overload the embedding token limit #15

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feat: allow env var to overload the embedding token limit #15

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11 changes: 8 additions & 3 deletions src/embeddings.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,12 @@ pub async fn generate_embeddings(
let bpe = Arc::new(cl100k_base().map_err(|e| ServerError::Tiktoken(e.to_string()))?);

const CONCURRENCY_LIMIT: usize = 8; // Number of concurrent requests
const TOKEN_LIMIT: usize = 8000; // Keep a buffer below the 8192 limit

// Our default model only supports roughly 8k tokens
let token_limit: usize = std::env::var("EMBEDDING_TOKEN_LIMIT")
.ok()
.and_then(|lim| lim.trim().parse().ok())
.unwrap_or(8000);

let results = stream::iter(documents.iter().enumerate())
.map(|(index, doc)| {
Expand All @@ -64,12 +69,12 @@ pub async fn generate_embeddings(
// Calculate token count for this document
let token_count = bpe.encode_with_special_tokens(&doc.content).len();

if token_count > TOKEN_LIMIT {
if token_count > token_limit {
// eprintln!(
// " Skipping document {}: Actual tokens ({}) exceed limit ({}). Path: {}",
// index + 1,
// token_count,
// TOKEN_LIMIT,
// token_limit,
// doc.path
// );
// Return Ok(None) to indicate skipping, with 0 tokens processed for this doc
Expand Down