Emit more histogram buckets for cortex-querier_storegateway_refetches_per_query

Signed-off-by: SungJin1212 <[email protected]>

Author: SungJin1212

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## master / unreleased
 
 * [FEATURE] Querier/Ruler: Add `query_partial_data` and `rules_partial_data` limits to allow queries/rules to be evaluated with data from a single zone, if other zones are not available. #6526
+* [ENHANCEMENT] StoreGateway: Emit more histogram buckets on the `cortex-querier_storegateway_refetches_per_query` metric. #6570
 * [BUGFIX] Ingester: Avoid error or early throttling when READONLY ingesters are present in the ring #6517
 
 ## 1.19.0 in progress

pkg/querier/blocks_store_queryable.go

@@ -123,7 +123,7 @@ func newBlocksStoreQueryableMetrics(reg prometheus.Registerer) *blocksStoreQuery
 			Namespace: "cortex",
 			Name:      "querier_storegateway_refetches_per_query",
 			Help:      "Number of re-fetches attempted while querying store-gateway instances due to missing blocks.",
-			Buckets:   []float64{0, 1, 2},
+			Buckets:   []float64{0, 1, 2, 4, 8, 16},
 		}),
 	}
 }