fixing integ tests, changelog

Signed-off-by: Shvejan Mutheboyina <shvejan@amazon.com>

Author: Shvejan

CHANGELOG.md

@@ -3,7 +3,7 @@
 ## master / unreleased
 * [ENHANCEMENT] Metrics Helper: Add native histogram support for aggregating and merging, including dual-format histogram handling that exposes both native and classic bucket formats. #7359
 * [ENHANCEMENT] Cache: Add per-tenant TTL configuration for query results cache to control cache expiration on a per-tenant basis with separate TTLs for regular and out-of-order data. #7357
-* [CHANGE] Querier: Make query time range configurations per-tenant: `query_ingesters_within`, `query_store_after`, and `shuffle_sharding_ingesters_lookback_period`. #7160
+* [CHANGE] Querier: Make query time range configurations per-tenant: `query_ingesters_within`, `query_store_after`, and `shuffle_sharding_ingesters_lookback_period`. Uses `model.Duration` instead of `time.Duration` to support serialization but has minimum unit of 1ms (nanoseconds/microseconds not supported). #7160
 * [ENHANCEMENT] Tenant Federation: Add a local cache to regex resolver. #7363
 * [ENHANCEMENT] Query Scheduler: Add `cortex_query_scheduler_tracked_requests` metric to track the current number of requests held by the scheduler. #7355
 * [BUGFIX] Fix nil when ingester_query_max_attempts > 1. #7369

integration/ingester_sharding_test.go

@@ -64,7 +64,7 @@ func TestIngesterSharding(t *testing.T) {
 			if testData.shardingStrategy == "shuffle-sharding" {
 				// Enable shuffle sharding on read path but not lookback, otherwise all ingesters would be
 				// queried being just registered.
-				flags["-limits.shuffle-sharding-ingesters-lookback-period"] = "1ns"
+				flags["-limits.shuffle-sharding-ingesters-lookback-period"] = "1ms"
 			}
 
 			// Start dependencies.