rename config option

Author: mchrome

config/config.go

@@ -235,7 +235,7 @@ type ClickHouse struct {
 	IndexReverses        IndexReverses         `toml:"index-reverses"           json:"index-reverses"           comment:"see doc/config.md"                                                                                                              commented:"true"`
 	IndexTimeout         time.Duration         `toml:"index-timeout"            json:"index-timeout"            comment:"total timeout to fetch series list from index"`
 	TaggedTable          string                `toml:"tagged-table"             json:"tagged-table"             comment:"'tagged' table from carbon-clickhouse, required for seriesByTag"`
-	Tag1CountTable       string                `toml:"tag1-count-table"         json:"tag1-count-table"         comment:"Table that contains the amounts of rows with each tag1 value, used to determine which Tag1 value to use in a query based on its cardinality. If left empty, basic sorting will be used."`
+	TagsCountTable       string                `toml:"tags-count-table"         json:"tags-count-table"         comment:"Table that contains the total amounts of each tag-value pair. It is used to avoid usage of high cardinality tag-value pairs when querying TaggedTable. If left empty, basic sorting will be used. See more detailed description in doc/config.md"`
 	TaggedAutocompleDays int                   `toml:"tagged-autocomplete-days" json:"tagged-autocomplete-days" comment:"or how long the daemon will query tags during autocomplete"`
 	TaggedUseDaily       bool                  `toml:"tagged-use-daily"         json:"tagged-use-daily"         comment:"whether to use date filter when searching for the metrics in the tagged-table"`
 	TaggedCosts          map[string]*Costs     `toml:"tagged-costs"             json:"tagged-costs"             comment:"costs for tags (for tune which tag will be used as primary), by default is 0, increase for costly (with poor selectivity) tags" commented:"true"`

finder/finder.go

@@ -41,7 +41,7 @@ func newPlainFinder(ctx context.Context, config *config.Config, query string, fr
 		f = NewTagged(
 			config.ClickHouse.URL,
 			config.ClickHouse.TaggedTable,
-			config.ClickHouse.Tag1CountTable,
+			config.ClickHouse.TagsCountTable,
 			config.ClickHouse.TaggedUseDaily,
 			config.FeatureFlags.UseCarbonBehavior,
 			config.FeatureFlags.DontMatchMissingTags,
@@ -148,7 +148,7 @@ func FindTagged(ctx context.Context, config *config.Config, terms []TaggedTerm,
 	fnd := NewTagged(
 		config.ClickHouse.URL,
 		config.ClickHouse.TaggedTable,
-		config.ClickHouse.Tag1CountTable,
+		config.ClickHouse.TagsCountTable,
 		config.ClickHouse.TaggedUseDaily,
 		config.FeatureFlags.UseCarbonBehavior,
 		config.FeatureFlags.DontMatchMissingTags,