LunarDump Streams 8 GB MySQL Backup to Cloud Using Only 119 MB RAM

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A developer benchmarked LunarDump, a zero-disk streaming database backup tool, across a multi-cloud setup hosted in Jakarta, Indonesia. The test streamed approximately 8 GB of MySQL data from a Tencent Cloud server through a low-spec 1 GB RAM engine server on Cloudeka, uploading it directly to Google Cloud Storage. The entire process completed in just over an hour while consuming a peak heap memory of only 119.1 MB, roughly 1.4% of the total dataset size. No temporary files were written to local disk, as data was encrypted with AES-256-GCM in RAM and streamed on-the-fly. CPU load on the backup engine server remained low, averaging between 4% and 8% throughout the operation.

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