Percona Replication Lag
Monitor **slave replication lag** via pt-heartbeat, which is provided by the Percona toolkit. Percona's method is considered more reliable than MySQL's internal Seconds_Behind_Master metric.
Monitor slave replication lag via pt-heartbeat, which is provided by the percona toolkit. Percona’s method is considered more reliable than MySQL’s internal Seconds_Behind_Master metric.
This blog post better explains why pt-heartbeat is better than mysql’s Seconds_Behind_Master.
- the Percona toolkit
- a working
- paths to the
pt-heartbeatbinary and the
pt-heartbeat.confconfiguration file. If the plugin can’t find either of those, it will generate an error.