Changelog

Signed-off-by: alanprot <[email protected]>

Author: alanprot

CHANGELOG.md

@@ -16,6 +16,7 @@
 * [ENHANCEMENT] Store Gateway: Log gRPC requests together with headers configured in `http_request_headers_to_log`. #5958
 * [ENHANCEMENT] Upgrade Alpine to 3.19. #6014
 * [ENHANCEMENT] Upgrade go to 1.21.11 #6014
+* [ENHANCEMENT] Ingester: Add a new experimental `-ingester.labels-string-interning-enabled` flag to enable string interning for metrics labels. #6057
 * [BUGFIX] Configsdb: Fix endline issue in db password. #5920
 * [BUGFIX] Ingester: Fix `user` and `type` labels for the `cortex_ingester_tsdb_head_samples_appended_total` TSDB metric. #5952
 * [BUGFIX] Querier: Enforce max query length check for `/api/v1/series` API even though `ignoreMaxQueryLength` is set to true. #6018

docs/configuration/config-file-reference.md

@@ -2973,7 +2973,7 @@ instance_limits:
 [admin_limit_message: <string> | default = "please contact administrator to raise it"]
 
 # Experimental: Enable string interning for metrics labels.
-# CLI flag: -ingester.labels-string-interning
+# CLI flag: -ingester.labels-string-interning-enabled
 [labels_string_interning_enabled: <boolean> | default = false]
 ```
 

pkg/ingester/ingester.go

@@ -160,7 +160,7 @@ func (cfg *Config) RegisterFlags(f *flag.FlagSet) {
 
 	f.StringVar(&cfg.AdminLimitMessage, "ingester.admin-limit-message", "please contact administrator to raise it", "Customize the message contained in limit errors")
 
-	f.BoolVar(&cfg.LabelsStringInterningEnabled, "ingester.labels-string-interning", false, "Experimental: Enable string interning for metrics labels.")
+	f.BoolVar(&cfg.LabelsStringInterningEnabled, "ingester.labels-string-interning-enabled", false, "Experimental: Enable string interning for metrics labels.")
 }
 
 func (cfg *Config) Validate() error {