Reduce memory footprint from asapo monitoring

Expose parameters of the retention policy to config file. Use sum of the data points instead average. Fix inset in the fields name of the InfluxDB response. Split request to the InfluxDB to two periods: full data and grouped data. Add results of response via concatenation of vectors.

changed title from Expose parameters of the retention policy to config file. Use sum of the data... to Reduce memory footprint from asapo monitoring

merged

mentioned in commit 8820ac8e