INFLUXDB_DEFAULT_RETENTION - determines how long the data should be stored
before it is dropped, see retention policies for more detail.
Acceptable values are durations and INF for infinite (Default: INF)
INFLUXDB_SHARD_DURATION - determines the size of data shards. An entire shard is dropped once all of the data it contains is out of the retention period. Default values are explained in retention policies and acceptable values are durations