I heard a frequent question at last week’s Percona Live conference regarding Percona Monitoring and Management (PMM): How much disk space should I allocate for PMM Server?
First, let’s review the three components of Percona Monitoring and Management that consume non-negligible disk space:
- Prometheus data source for the time series metrics
- Query Analytics (QAN) which uses Percona Server XtraDB (Percona’s enhanced version of the InnoDB storage engine)
- Orchestrator, also backed by Percona Server XtraDB
Of these, you’ll find that Prometheus is generally your largest consumer of disk space. Prometheus hits a steady state of disk utilization once you reach the defined storage.local.retention period. If you deploy Percona Monitoring and Management …[Read more]