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perf: replace SHA-256 with BLAKE3 + add mimalloc global allocator

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- Replace SHA-256 with BLAKE3 (~5x faster) for content-addressable hashing
  in dedup_service, file_handler, file_upload_service, chunked_upload_service
- Add mimalloc as global allocator for 10-30% throughput improvement
- sha2 crate retained only for PKCE (OAuth2 standard requirement)
- BLAKE3 produces 64-char hex hashes (same format), no DB schema changes needed
This commit is contained in:
Dionisio
2026-03-01 21:47:39 +01:00
parent 81987e9321
commit e2fb29ea60
10 changed files with 88 additions and 34 deletions
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src/interfaces/api/handlers/file_handler.rs
+4 -6
View File
@@ -37,7 +37,7 @@ impl FileHandler {
/// Streaming file upload — constant ~64 KB RAM regardless of file size.
///
/// **Hash-on-Write**: SHA-256 is computed while spooling the multipart
/// **Hash-on-Write**: BLAKE3 is computed while spooling the multipart
/// body to the temp file. This eliminates the second sequential read
/// that dedup_service would otherwise need, cutting total I/O in half.
pub async fn upload_file(
@@ -61,8 +61,6 @@ impl FileHandler {
auth_user: &AuthUser,
mut multipart: Multipart,
) -> Result<crate::application::dtos::file_dto::FileDto, Response<Body>> {
use sha2::{Digest, Sha256};
let upload_service = &state.applications.file_upload_service;
let mut folder_id: Option<String> = None;
@@ -126,7 +124,7 @@ impl FileHandler {
let temp_path = temp_dir.join(format!("upload-{}", uuid::Uuid::new_v4()));
let mut total_size: u64 = 0;
let mut hasher = Sha256::new();
let mut hasher = blake3::Hasher::new();
let spool_result: Result<(), String> = async {
let file = tokio::fs::File::create(&temp_path)
.await
@@ -169,7 +167,7 @@ impl FileHandler {
// Empty file — use streaming path with the (empty) temp file
if total_size == 0 {
let hash = hex::encode(hasher.finalize());
let hash = hasher.finalize().to_hex().to_string();
return upload_service
.upload_file_streaming(
filename,
@@ -184,7 +182,7 @@ impl FileHandler {
}
// Finalize hash
let hash = hex::encode(hasher.finalize());
let hash = hasher.finalize().to_hex().to_string();
// ── MIME detection (magic bytes + extension fallback) ─
let content_type = crate::common::mime_detect::refine_content_type_from_file(