Amazon S3 Tools: Command Line S3 Client Software and S3 Backup

AWS S3 Command Line Clients for Windows, Linux, Mac. Backup to S3, upload, retrieve, query data on Amazon S3.

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Main Page > Browse Categories > FAQ: Version 1.5 > Is s3cmd version 1.5 slower than earlier releases?

Is s3cmd version 1.5 slower than earlier releases?

Version 1.5 is a bit slower because calculating both the md5sum and sha256sum values for every object being uploaded is disk I/O intensive, and both calculations are necessary. Future versions will work to minimize local disk I/O.

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