Cassandra does not support this currently. You can create a JIRA and start the conversation
On Sat, Feb 10, 2018 at 11:09 PM, Dan Kinder <dkin...@turnitin.com> wrote: > Hi, > > We're optimizing Cassandra right now for fairly random reads on a large > dataset. In this dataset, the values are much larger than the keys. I was > wondering, is it possible to have Cassandra write the *index* files > (*-Index.db) to one drive (SSD), but write the *data* files (*-Data.db) to > another (HDD)? This would be an overall win for us since it's > cost-prohibitive to store the data itself all on SSD, but we hit the limits > if we just use HDD; effectively we would need to buy double, since we are > doing 2 random reads (index + data). > > Thanks, > -dan >
