metrics: Add Cassandra Metrics documentation

This PR adds the Cassandra Metrics documentation for kata metrics.

Fixes #7922

Signed-off-by: Gabriela Cervantes <gabriela.cervantes.tellez@intel.com>
(cherry picked from commit ad08321b83)
This commit is contained in:
Gabriela Cervantes 2023-09-12 16:30:35 +00:00 committed by Fabiano Fidêncio
parent 0968bf1eb9
commit 31c33f9c1c

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# Kata Containers Cassandra Metrics
Kata Containers provides a series of read and write performance tests using
Cassandra Stress tool. The Cassandra Stress tool is a Java-based stress testing
utility for basic benchmarking and load testing a cluster. This tool helps us
to populate a cluster and stress test CQL tables and queries. This test is
based in two operations, the first one is writing against the cluster or
populating the database and the second one is reading the cluster that was
populated by the writing test.
## Running the test
Individual tests can be run by hand, for example:
```
$ cd metrics/disk/cassandra_kubernetes
$ ./cassandra.sh
```