Disk space includes: 1. Live SSTable files (Data, Index, Filter) 2. Garbage (compacted) SSTable files.
For each column, except for the value bytes, there are anditional bytes include (2+columnname+1+8) On Sat, Jul 10, 2010 at 2:57 AM, Jonathan Ellis <jbel...@gmail.com> wrote: > you should read the "cassandra disk space utilization" thread. > > On Fri, Jul 9, 2010 at 4:09 AM, Sagar Agrawal <sna...@gmail.com> wrote: > > row size is 10 KB and write count on a node for a CF is 1054451, > > so ideally the total disk space used on that node by that CF should be > > around 10 GB > > but it's showing 23 GB > > what else might be taking up so much space? > > > > Thanks > > > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of Riptano, the source for professional Cassandra support > http://riptano.com >
