S3HyperSync – Faster S3 sync tool – iterating with up to 100k files/s

In plain words

S3HyperSync is an alternative tool for syncing Amazon S3 buckets, designed to handle large-scale transfers efficiently. It targets developers and engineers who need to move or synchronize data across S3 buckets at high speeds, processing up to 100,000 files per second. The tool is available as an open-source project that welcomes community feedback and contributions.

written from the facts on this page · September 2026

From the sources

S3HyperSync is a high-performance, memory-efficient, and cost-effective tool for synchronizing files between S3-compatible storage services. - Starofall/S3HyperSync

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