On Sat, Aug 23, 2014 at 8:06 AM, Jens Rantil <jens.ran...@tink.se> wrote:
> I am setting backup and restoration tooling for a Cassandra cluster and > have a specific question regarding incremental backup. > > Let’s say I’m running incremental backups and take a snapshot. At the > exact(ish) same time as my snapshot it taken another incremental *.db file > is hard linked into the backups directory. My question is, how do I know > which snapshot my incremental file belongs to? > Tablesnap avoids this race by snapshotting files directly from the data directory, and backing it up with a meta-information file that contains a list of all SSTables in the data directory at the time it notices a new one. You can probably do something similar with the incremental snapshot system, but you might want to consider if you need to. :D https://github.com/JeremyGrosser/tablesnap =Rob
