You can already symlink the index directory anywhere you like. I'm not convinced that special-casing indexes is a good approach in general vs looking at performance of all tables.
On Thu, Aug 22, 2013 at 8:16 PM, Nipuni Piyabasi Perera < nipuni880...@gmail.com> wrote: > Hi, > > I need to do a secondary index access improvement with a little > modification to Cassandra. I could see in [1], that the performance of > secondary index querying can be increased via splitting the column family > data and secondary index data. > Currently Cassandra saves keyspace data and secondary indices data in > "var/lib/cassandra/data/". > According to my understanding the data saves in the "data_file_directories" > location of conf/cassandra.yaml file. If I can enter new variable into > "cassandra.yaml" file and address it in the place where Cassandra stores > secondary indexes, this can be fixed. > > Can anyone give some guidance regarding this improvement. > > [1] https://issues.apache.org/jira/browse/CASSANDRA-5502 > > Thanks, > Nipuni > > -- > Nipuni Piyabasi Perera > Undergraduate > Department of Computer Science And Engineering > University of Moratuwa > Sri Lanka > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder, http://www.datastax.com @spyced
