On Wed, Nov 12, 2014 at 2:44 PM, Otis Gospodnetic < otis.gospodne...@gmail.com> wrote:
> Hi, > > Is there a way to detect which version of Cassandra one is running? > Is there an API for that, or a constant with this value, or maybe an MBean > or some other way to get to this info? > > Here's the use case: > SPM monitors Cassandra <http://sematext.com/spm/>, but Cassandra MBeans > and metrics have or may change over time. > How will SPM agent know which MBeans to look for, which metrics to > extract, and how to interpret values it extracts without knowing which > version of Cassandra it's monitoring? > It could try probing for some known MBeans and deduce Cassandra version > from that, but that feels a little sloppy. > Ideally, we'd be able to grab the version from some MBean and based on > that extract metrics we know are exposed in that version of Cassandra. > > Thanks, > Otis > If you are using the Java driver, you can retrieve the version of Cassandra for each Host: http://www.datastax.com/drivers/java/2.1/com/datastax/driver/core/Host.html#getCassandraVersion() > -- > Monitoring * Alerting * Anomaly Detection * Centralized Log Management > Solr & Elasticsearch Support * http://sematext.com/ > > -- [:>-a) Alex Popescu Sen. Product Manager @ DataStax @al3xandru
