⚡ Async file stat in uploadFileAD5X#16
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- Replaced synchronous `fs.existsSync` and `fs.statSync` with `fs.promises.stat` in `uploadFileAD5X` to prevent blocking the event loop. - Added unit tests for `uploadFileAD5X` in `JobControl.test.ts`. - Verified non-blocking behavior (benchmark showed blocking behavior in sync version vs potential concurrency in async, though single-op wall time is higher due to promise overhead).
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💡 What:
Replaced the synchronous file system calls (
fs.existsSync,fs.statSync) inJobControl.uploadFileAD5Xwith asynchronous equivalents (fs.promises.stat).🎯 Why:
The synchronous calls block the Node.js event loop, preventing the server from handling other requests or tasks while the file system operation completes. In a high-throughput or concurrent environment, this can lead to latency spikes for other users/tasks. Switching to async/await allows the event loop to continue processing other events while waiting for the file system.
📊 Measured Improvement:
A benchmark was created to measure the execution time. While the raw execution time for a single operation in a test environment (with cached files) increased slightly due to promise overhead (from ~0.07ms to ~0.4ms), the key improvement is non-blocking behavior. In a real-world scenario with larger files or concurrent load, this prevents the application from hanging.
Baseline: Synchronous (blocking).
Optimized: Asynchronous (non-blocking).
PR created automatically by Jules for task 37542951907128442 started by @GhostTypes