# other config sections ... reader : class : 'vm' datasource_url : 'http://localhost:8428' # source victoriametrics/prometheus sampling_period : '10s' queries : # old format {query_alias: query_expr}, prior to 1.13, will be converted to a new format automatically vmb : expr : 'avg(vm_blocks)' # initial MetricsQL expression step : '10s' # individual step for this query, will be filled with `sampling_period` from the root level data_range : [ '-inf' , 'inf' ] # by default, no constraints applied on data range tz : 'UTC' # by default, tz-free data is used throughout the model lifecycle # new query-level arguments will be added in backward-compatible way in future releases # other config sections ... reader : # other reader params ...