Related - I've been thinking about how to best backup my S3 buckets (some with 50k+ files) off of Amazon. Sure I can setup another bucket with that cross region duplication feature, and I have versioning.. but would really prefer a backup off of Amazon (ie not sending manually created zips in a lightsail/ec2 or something to glacier) in case it ever gets hacked or I accidentally nuke the buckets or something like that.

Currently just doing a combination of s3cmd for a local archive (takes forever to download and then it doesnt seem like incremental syncs are any faster), as well as having Google Console clone my bucket there (but I'm not sure if it's versioned, or as easy as downloading the whole archive).

Never used duplicity -- would it be fast for something like this? Guessing I should just cron it on a remote server instead of running off a local machine frequently.