Overview
To stay informed about the overall and detailed performance of your EOSIO-based blockchain node(s), you can make use of the telemetry tools available. EOSIO offers integration with two such telemetry tools:
Performance Considerations
Many wise people already said it, everything comes with a price. The telemetry tools, when activated, will have a certain impact on your nodeos performance which depends on various factors, but nevertheless the performance will be impacted; therefore, it is recommended you use them wisely in those situations when you really need the extra detailed information they provide, and then you turn them off.