Ingester: Always upload compacted blocks (#5625)

* always upload compacted blocks

Signed-off-by: Ben Ye <benye@amazon.com>

* changelog

Signed-off-by: Ben Ye <benye@amazon.com>

---------

Signed-off-by: Ben Ye <benye@amazon.com>

Author: yeya24

CHANGELOG.md

@@ -29,6 +29,7 @@
 * [CHANGE] StoreGateway: Rename `cortex_bucket_store_chunk_pool_returned_bytes_total` and `cortex_bucket_store_chunk_pool_requested_bytes_total` to `cortex_bucket_store_chunk_pool_operation_bytes_total`. #5552
 * [CHANGE] Query Frontend/Querier: Make build info API disabled by default and add feature flag `api.build-info-enabled` to enable it. #5533
 * [CHANGE] Purger: Do no use S3 tenant kms key when uploading deletion marker. #5575
+* [CHANGE] Ingester: Shipper always upload compacted blocks. #5625
 * [FEATURE] Store Gateway: Add `max_downloaded_bytes_per_request` to limit max bytes to download per store gateway request.
 * [FEATURE] Added 2 flags `-alertmanager.alertmanager-client.grpc-max-send-msg-size` and ` -alertmanager.alertmanager-client.grpc-max-recv-msg-size` to configure alert manager grpc client message size limits. #5338
 * [FEATURE] Query Frontend: Add `cortex_rejected_queries_total` metric for throttled queries. #5356

pkg/ingester/ingester.go

@@ -2044,7 +2044,9 @@ func (i *Ingester) createTSDB(userID string) (*userTSDB, error) {
 			func() labels.Labels { return l },
 			metadata.ReceiveSource,
 			func() bool {
-				return oooTimeWindow > 0 // Upload compacted blocks when OOO is enabled.
+				// Allow uploading compacted blocks. It is fine since compacted
+				//  blocks should only happen when OOO is enabled in ingester.
+				return true
 			},
 			true, // Allow out of order uploads. It's fine in Cortex's context.
 			metadata.NoneFunc,