We launched EFS File Sync a few days before AWS re:Invent 2017 and I finally have time to tell you about it!
If you need to move a large collection of files from an on-premises or in-cloud file system to Amazon Elastic File System, this tool is for you. Simple, single-threaded command line tools such as cp and rsync predate the cloud and cannot deliver the throughput required to move massive amounts of data from place to place. These tools are generally used as building blocks, often within scripts that take care of scheduling, orchestration, and network security.
Secure & Parallel EFS File Sync uses a secure, highly parallel data transfer mechanism that can run up to 5 times faster than the tools I mentioned above. It is available as an agent that runs within VMware ESXi or on an EC2 instance, and accesses the source file system via NFS
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