On-disk storage

When rows are written to disk, they are stored in different types of file. Let's take a quick look at these files, which should be present after what we did in Chapter 1, Quick Start.

If you have not followed the examples from Chapter 1, Quick Start, that's okay. But some of the data to follow may be different for you.

SSTables

First of all, let's cd over to where our table data is stored. By default, keyspace and table data is stored in the data/ directory, off of the $CASSANDRA_HOME directory. Listing out the files reveals the following:

cd data/data/packt/hi_scores-d74bfc40634311e8a387e3d147c7be0f
ls -al
total 72
drwxr-xr-x  11 aploetz aploetz  374 May 29 08:28 .
drwxr-xr-x   6 aploetz aploetz...