Wanted to know if Grafana keep the stats in memory or poll from data source.
stats of what??? do you mean internal metrics ??
@danielgonzalez, no what i meant was any sort of data from datastore that can be represented in panel .
do grafana bring that data in memory ?
does grafana keeps cache ?
is that cache size configurable ?
Grafana does not store data in cache, every time you refresh the dashboard the queries are made,
there are some metrics available in /metrics of your instance