Large Proton Drive syncs take hours and max CPU
Proton Drive syncs of large folder trees take hours with rclone even when a max-age filter is set, because each file's metadata is fetched and decrypted.
Tier II · Emerging Problems that are still building up.
4 public reports · first reported 26 September 2026 · last reported 2 October 2026
What's going wrong
People who sync large Proton Drive folders with rclone report that a run on a tree of about 95,000 files takes hours even with a max-age filter, and that a sync with no changes still takes many minutes.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 4 reports are about, and how many came each month.
- Related problems.
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