From 4ae58baf8618f5fe916ba2a69faaca93514134ce Mon Sep 17 00:00:00 2001 From: nsfisis Date: Sat, 18 Jul 2026 01:38:06 +0900 Subject: perf(json-file): buffer schema file reads in FileRetriever serde_json::from_reader issues one read() syscall per byte against an unbuffered Reader. FileRetriever passed a raw File straight through, so resolving the composer-schema.json $ref read its ~71KB contents one byte at a time (twice per require, since schema validation runs both before and during the update). Co-Authored-By: Claude Sonnet 5 --- crates/shirabe/src/json/json_file.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'crates/shirabe/src/json/json_file.rs') diff --git a/crates/shirabe/src/json/json_file.rs b/crates/shirabe/src/json/json_file.rs index b95732fa..075e1f64 100644 --- a/crates/shirabe/src/json/json_file.rs +++ b/crates/shirabe/src/json/json_file.rs @@ -593,7 +593,7 @@ impl jsonschema::Retrieve for FileRetriever { match uri.scheme().as_str() { "file" => { let file = std::fs::File::open(uri.path().as_str())?; - Ok(serde_json::from_reader(file)?) + Ok(serde_json::from_reader(std::io::BufReader::new(file))?) } scheme => Err(format!("Unknown scheme {scheme}").into()), } -- cgit v1.3.1