if you have JNA installed it's stored off-heap in ram, without JNA it's stored on heap in ram. The following should help explain in more depth
http://www.datastax.com/dev/blog/maximizing-cache-benefit-with-cassandra On Fri, Dec 19, 2014 at 8:35 AM, Batranut Bogdan <batra...@yahoo.com> wrote: > > Hello all, > I just read that the default size of the Key cache is 100 MB. Is it stored > in memory or disk? > -- [image: datastax_logo.png] <http://www.datastax.com/> Ryan Svihla Solution Architect [image: twitter.png] <https://twitter.com/foundev> [image: linkedin.png] <http://www.linkedin.com/pub/ryan-svihla/12/621/727/> DataStax is the fastest, most scalable distributed database technology, delivering Apache Cassandra to the world’s most innovative enterprises. Datastax is built to be agile, always-on, and predictably scalable to any size. With more than 500 customers in 45 countries, DataStax is the database technology and transactional backbone of choice for the worlds most innovative companies such as Netflix, Adobe, Intuit, and eBay.