On Sat, Sep 5, 2015 at 3:59 AM, Samya Maiti <samya.maiti2...@gmail.com> wrote:
> > - Is the data shored in Cassandra & Solr(documents) separately? If so > how much extra space is required in disk? > > I don't know the answer to this, because built in Solr support is a feature of DSE, a commercial product sold by Datastax and not officially supported on the Apache Cassandra mailing list. > > - If I want to run adhoc queries on any column of a table in > cassandra, should I plan to index all the fields in solr or take some other > approach? > > I'd probably do something like indexing if my queries were truly "adhoc" and truly on "any column". > > - Is creating secondary index directly on C* table a better approach > than sold indexing for querying on few columns other than Primary key. > > Cassandra secondary indexes are rarely the correct solution to a problem. In rare cases (data set, query pattern, etc.) they might be appropriate for querying a small number of columns in a specific way. =Rob
