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From Jeremy Jongsma <>
Subject Re: Cassandra on AWS suggestions for data safety
Date Thu, 24 Jul 2014 17:38:36 GMT
We also run a nightly "nodetool snapshot" on all nodes, and use duplicity
to sync the snapshot to S3, keeping 7 days' worth of backups.

Since duplicity tracks incremental changes this gives you the benefit of
point-in-time snapshots without duplicating sstables that are common across
multiple backups. It also makes it easy to revert all nodes' state to X
days ago in case of accidental or malicious data corruption.

On Thu, Jul 24, 2014 at 12:17 PM, Robert Coli <> wrote:

> On Wed, Jul 23, 2014 at 4:12 PM, Hao Cheng <> wrote:
>> 3. Using a backup system, either manually via rsync or through something
>> like Priam, to directly push backups of the data on ephemeral storage to S3.
> =Rob

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