Graphite 0.9.13 adds a much needed feature to the json rendering API that is very important for Grafana. If you are experiance slow
load & rendering times for large time ranges then it is most likely caused by running Graphite 0.9.12 or lower. The latest version
of Graphite adds a maxDataPoints parameter to the json render API, without this feature Graphite can return hundreds of thousands of data points per graph, which