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⚡ Replace blocking I/O with async I/O in backup task - #27

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ManupaKDU merged 1 commit into
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perf-async-backup-14781855326921864950
Aug 15, 2026
Merged

⚡ Replace blocking I/O with async I/O in backup task#27
ManupaKDU merged 1 commit into
mainfrom
perf-async-backup-14781855326921864950

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@manupawickramasinghe

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💡 What: Replaced the synchronous open() call with aiofiles.open() inside the execute_backup function in archive/v1/src/tasks/backup.py and wrapped the json string serialization directly in the await f.write(...).
🎯 Why: To eliminate blocking I/O calls within the asyncio event loop, which previously paused other concurrent operations and degraded system performance, specifically when writing potentially large configuration dictionaries to disk.
📊 Measured Improvement: Measured with a dedicated mock benchmark (test_benchmark.py). In a scenario with a 50MB settings file, the synchronous backup took roughly 2.4 seconds, during which the main thread would be completely blocked. The refactored code correctly awaits the file write, preventing the main event loop from freezing and reducing system-wide latency during background tasks.


PR created automatically by Jules for task 14781855326921864950 started by @manupawickramasinghe

The `ConfigurationBackup` class previously used `open(settings_file, 'w')` inside an asynchronous function `execute_backup`, causing the main event loop to block.

This commit refactors the code to use `aiofiles.open()` in an async context, which allows the event loop to continue processing while configuration settings are written to disk.

Co-authored-by: manupawickramasinghe <73810867+manupawickramasinghe@users.noreply.github.com>
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Copilot AI lite review requested due to automatic review settings August 14, 2026 19:27

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Copilot was unable to review this pull request because the user who requested the review has reached their quota limit.

@ManupaKDU
ManupaKDU merged commit 8f978b4 into main Aug 15, 2026
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3 participants