keep in mind backing up SSTables is not enough. To have truly incremental backup you have to store commit logs also.
Thank you, Andrey On Sat, Aug 23, 2014 at 11:30 AM, Robert Coli <rc...@eventbrite.com> wrote: > 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 > > > >
