How do you take the snapshot? What's the restore process? On Mon, Oct 5, 2009 at 5:22 AM, Jonathan Ellis <[email protected]> wrote: > You can take a snapshot and either leave it in place indefinitely or > throw it into your existing backup ecosystem. That's your best option > for backup no matter which kind of partitioner you're using. > > -Jonathan > > On Mon, Oct 5, 2009 at 12:52 AM, Edmond Lau <[email protected]> wrote: >> For folks who are using or considering using cassandra in their >> production systems, what do you use for backups? >> >> With HBase, one could potentially write a mapreduce to perform a row >> scan of the entire table (restricted to some historical timestamp to >> get a consistent view) and export the data to hdfs. With Cassandra, >> if you're using an ordered partitioner, a similar mechanism could be >> built over a key range scan. >> >> With a random partitioner, though, there's no api to iterate through >> all existing keys. Why not? >> >> Edmond >> >
-- Joe Van Dyk http://fixieconsulting.com
