You can refer to this conversation here http://comments.gmane.org/gmane.comp.db.cassandra.user/27366
Manoj On Tue, Jun 11, 2013 at 10:01 AM, Tanya Malik <sonichedg...@gmail.com>wrote: > If I understand the C* architecture correctly, in order to increase write > speed, I only need to put the commit log on SSDs. > > When the memtable gets flushed to the SStable file later on, that can go > to traditional spinning disks, since that happens much later after the > write successful has already been returned to the client. > > So, in the YAML file, I can configure the commitlog_directory to go to SSD > and the data_file_directories to go to spinning disks. > > Would I get any write speed benefits if I had stored the SStables also on > SSD? > >
