chore: upload delete requests table only when there are updates since last upload (#16008)

pkg/compactor/deletion/delete_requests_manager.go

@@ -112,6 +112,12 @@ func (d *DeleteRequestsManager) mergeShardedRequests(ctx context.Context) error
 			continue
 		}
 
+		level.Info(util_log.Logger).Log("msg", "merging sharded request",
+			"request_id", req.RequestID,
+			"num_shards", len(deletesPerRequest),
+			"start_time", req.StartTime.Unix(),
+			"end_time", req.EndTime.Unix(),
+		)
 		if err := d.deleteRequestsStore.MergeShardedRequests(ctx, req, deletesPerRequest[req.RequestID]); err != nil {
 			return err
 		}

pkg/compactor/deletion/delete_requests_table.go

@@ -24,6 +24,8 @@ import (
 type deleteRequestsTable struct {
 	indexStorageClient storage.Client
 	dbPath             string
+	updatedAt          time.Time
+	uploadedAt         time.Time
 
 	boltdbIndexClient *local.BoltIndexClient
 	db                *bbolt.DB
@@ -98,6 +100,10 @@ func (t *deleteRequestsTable) loop() {
 }
 
 func (t *deleteRequestsTable) uploadFile() error {
+	if t.uploadedAt.After(t.updatedAt) {
+		level.Debug(util_log.Logger).Log("msg", "skipping uploading delete requests db since there have been no updates to the table since last upload")
+		return nil
+	}
 	level.Debug(util_log.Logger).Log("msg", "uploading delete requests db")
 
 	tempFilePath := fmt.Sprintf("%s.%s", t.dbPath, tempFileSuffix)
@@ -144,7 +150,12 @@ func (t *deleteRequestsTable) uploadFile() error {
 		return err
 	}
 
-	return t.indexStorageClient.PutFile(context.Background(), DeleteRequestsTableName, deleteRequestsIndexFileName, f)
+	if err := t.indexStorageClient.PutFile(context.Background(), DeleteRequestsTableName, deleteRequestsIndexFileName, f); err != nil {
+		return err
+	}
+
+	t.uploadedAt = time.Now()
+	return nil
 }
 
 func (t *deleteRequestsTable) Stop() {
@@ -178,6 +189,7 @@ func (t *deleteRequestsTable) BatchWrite(ctx context.Context, batch index.WriteB
 		}
 	}
 
+	t.updatedAt = time.Now()
 	return nil
 }