diff --git a/deploy/docker-swarm/clickhouse-setup/otel-collector-metrics-config.yaml b/deploy/docker-swarm/clickhouse-setup/otel-collector-metrics-config.yaml
index a01f356437..ecaee5977a 100644
--- a/deploy/docker-swarm/clickhouse-setup/otel-collector-metrics-config.yaml
+++ b/deploy/docker-swarm/clickhouse-setup/otel-collector-metrics-config.yaml
@@ -5,9 +5,11 @@ receivers:
         # otel-collector internal metrics
         - job_name: "otel-collector"
           scrape_interval: 60s
-          static_configs:
-            - targets:
-              - otel-collector:8888
+          dns_sd_configs:
+            - names:
+                - 'tasks.otel-collector'
+              type: 'A'
+              port: 8888
         # otel-collector-metrics internal metrics
         - job_name: "otel-collector-metrics"
           scrape_interval: 60s
@@ -17,9 +19,11 @@ receivers:
         # SigNoz span metrics
         - job_name: "signozspanmetrics-collector"
           scrape_interval: 60s
-          static_configs:
-            - targets:
-              - otel-collector:8889
+          dns_sd_configs:
+            - names:
+                - 'tasks.otel-collector'
+              type: 'A'
+              port: 8889
 
 processors:
   batch:
diff --git a/pkg/query-service/app/clickhouseReader/reader.go b/pkg/query-service/app/clickhouseReader/reader.go
index 6716373c8b..a1f86c7413 100644
--- a/pkg/query-service/app/clickhouseReader/reader.go
+++ b/pkg/query-service/app/clickhouseReader/reader.go
@@ -374,14 +374,21 @@ func (r *ClickHouseReader) GetChannel(id string) (*model.ChannelItem, *model.Api
 	idInt, _ := strconv.Atoi(id)
 	channel := model.ChannelItem{}
 
-	query := fmt.Sprintf("SELECT id, created_at, updated_at, name, type, data data FROM notification_channels WHERE id=%d", idInt)
+	query := "SELECT id, created_at, updated_at, name, type, data data FROM notification_channels WHERE id=? "
 
-	err := r.localDB.Get(&channel, query)
+	stmt, err := r.localDB.Preparex(query)
 
-	zap.S().Info(query)
+	zap.S().Info(query, idInt)
 
 	if err != nil {
-		zap.S().Debug("Error in processing sql query: ", err)
+		zap.S().Debug("Error in preparing sql query for GetChannel : ", err)
+		return nil, &model.ApiError{Typ: model.ErrorInternal, Err: err}
+	}
+
+	err = stmt.Get(&channel, idInt)
+
+	if err != nil {
+		zap.S().Debug(fmt.Sprintf("Error in getting channel with id=%d : ", idInt), err)
 		return nil, &model.ApiError{Typ: model.ErrorInternal, Err: err}
 	}