![]() Please consult the wiki page on how to set up Duplicacy to work with each cloud storage.įor reference, the following chart shows the running times (in seconds) of backing up the Linux code base to each of those supported storages:įor complete benchmark results please visit. While the performance wasn't the top-priority design goal, Duplicacy has been shown to outperform other backup tools by a considerable margin, as indicated by the following results obtained from a benchmarking experiment backing up the Linux code base using Duplicacy and 3 other open-source backup tools.ĭuplicacy currently provides the following storage backends: The avoidance of a centralized chunk database not only produces a simpler and less error-prone implementation, but also makes it easier to develop advanced features, such as Asymmetric Encryption for stronger encryption and Erasure Coding for resilient data protection.ĭuplicacy is fast. ![]() Unlike other chunk-based backup tools where chunks are grouped into pack files and a chunk database is used to track which chunks are stored inside each pack file, Duplicacy takes a database-less approach where every chunk is saved independently using its hash as the file name to facilitate quick lookups. This feature turns any cloud storage server supporting only a basic set of file operations into a sophisticated deduplication-aware server. There are 3 core advantages of Duplicacy over any other open-source or commercial backup tools:ĭuplicacy is the only cloud backup tool that allows multiple computers to back up to the same cloud storage, taking advantage of cross-computer deduplication whenever possible, without direct communication among them. There is a special edition of Duplicacy developed for VMware vSphere (ESXi) named Vertical Backup that can back up virtual machine files on ESXi to local drives, network or cloud storages. There is also a Web GUI frontend built for Windows, macOS, and Linux, available from. This repository hosts source code, design documents, and binary releases of the command line version of Duplicacy. The final draft version is available here for those who don't have IEEE subscriptions. Our paper explaining the inner workings of Duplicacy has been accepted by IEEE Transactions on Cloud Computing and will appear in a future issue this year. ![]() Now You: My favorite backup program is Veeam currently.Duplicacy: A lock-free deduplication cloud backup toolĭuplicacy is a new generation cross-platform cloud backup tool based on the idea of Lock-Free Deduplication. Some features that are missing are options to manage multiple backup jobs using the graphical user interface, compression settings, or options to control network transfers. Closing Wordsĭuplicacy is a basic file level backup program that ships with interesting under the hood options. Some of the options provided are to backup to a different storage location, use hash file comparison instead of size and timestamp comparison, or assign a tag to a backup for identification purposes.Ī guide on Github lists commands and the options they ship with. Restore is built right into the GUI, but also supported using the command line.Įxperienced users may use commands for better control and additional features that the gui version does not offer. ![]() It supports deduplication to further that goal. The program uses incremental backups to keep the required storage requirements for the backup jobs as low as possible. This encrypts not only file contents but also file paths, sizes and other information. Backups may be encrypted with a password.
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