> I read somewhere that more no of column families is not a good idea as > it consumes more memory and more compactions to occur
This is primarily true, but not in every case. But the caching requirements may be different as they cater to two > different features. > This is a great reason to *not* merge them. Besides the key and row caches, don't forget about the OS buffer cache. Is it recommended to merge these two column families into one ?? Thoughts ? > No, this sounds like an anti-pattern to me. The overhead from having two separate CFs is not that high. -- Tyler Hobbs Software Engineer, DataStax <http://datastax.com/> Maintainer of the pycassa <http://github.com/pycassa/pycassa> Cassandra Python client library
