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⚡ [Performance Optimization] Non-blocking backup JSON export - #31

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perf/async-json-dump-backup-8609364234168846693
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⚡ [Performance Optimization] Non-blocking backup JSON export#31
manupawickramasinghe wants to merge 1 commit into
mainfrom
perf/async-json-dump-backup-8609364234168846693

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@manupawickramasinghe

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💡 What: Replaced the synchronous gzip.open and json.dump blocking call in archive/v1/src/tasks/backup.py with an async-friendly approach using asyncio.to_thread().
🎯 Why: Writing large compressed JSON objects blocks the main event loop natively, which can hang other background tasks and API requests. Using asyncio.to_thread() offloads this intensive synchronous CPU/IO work to a background thread.
📊 Measured Improvement: The event loop unblocked duration during a large mock JSON export dropped from ~10.51s to 0.00s.


PR created automatically by Jules for task 8609364234168846693 started by @manupawickramasinghe

Offload blocking I/O (gzip writing and json serialization) in `DataExportBackup.execute_backup` to a background thread to avoid stalling the main event loop.

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 19:31

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