This was forwarded to me yesterday... a helpful first step https://github.com/apache/cassandra/blob/cassandra-3.0.0/guide_8099.md
> On Jun 15, 2016, at 9:54 AM, Jonathan Haddad <j...@jonhaddad.com> wrote: > > Maybe some brave soul will document the 3.0 on disk format as part of > https://issues.apache.org/jira/browse/CASSANDRA-8700. > > On Wed, Jun 15, 2016 at 7:02 AM Christopher Bradford <bradfor...@gmail.com> > wrote: > >> Consider taking a look at Aaron Morton's dive into the C* 3.0 storage >> engine. >> >> >> http://thelastpickle.com/blog/2016/03/04/introductiont-to-the-apache-cassandra-3-storage-engine.html >> >> On Wed, Jun 15, 2016 at 9:38 AM Jim Witschey <jim.witsc...@datastax.com> >> wrote: >> >>>> http://wiki.apache.org/cassandra/ArchitectureSSTable >>> >>> Be aware that this page hasn't been updated since 2013, so it doesn't >>> reflect any changes to the SSTable format since then, including the >>> new storage engine introduced in 3.0 (see CASSANDRA-8099). >>> >>> That said, I believe the linked Apache wiki page is the best >>> documentation for the format. Unfortunately, if you want a better or >>> more current understanding, you'll have to read the code and read some >>> SSTables. >>> >>
