diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index 1924d02..e535b37 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -174,7 +174,7 @@ services:
     deploy:
       resources:
         limits:
-          memory: 250M
+          memory: 400M
     restart: unless-stopped
     networks:
       - catchtable-net
diff --git a/monitoring/otel-collector-config.yml b/monitoring/otel-collector-config.yml
index 5538a54..ba3d44f 100644
--- a/monitoring/otel-collector-config.yml
+++ b/monitoring/otel-collector-config.yml
@@ -11,9 +11,13 @@ processors:
     error_mode: ignore
     traces:
       span:
+        # HTTP 노이즈: 헬스체크, favicon, API 외 404 (봇 스캔 등)
         - 'IsMatch(attributes["url.path"], "^/actuator.*")'
         - 'IsMatch(attributes["url.path"], "^/favicon.*")'
         - 'attributes["http.response.status_code"] == 404 and not IsMatch(attributes["url.path"], "^/(api|swagger-ui|api-docs).*")'
+        # Kafka 백그라운드 프로토콜 trace 차단 (consumer poll/heartbeat/rebalance/leave 등).
+        # Producer.send와 @KafkaListener의 실제 메시지 처리 trace는 그대로 보존 — 부하 테스트 분석에 필요.
+        - 'IsMatch(name, "^(Heartbeat|OffsetCommit|JoinGroup|SyncGroup|LeaveGroup|FindCoordinator|Coordinator Discover|Fetch)$")'
 
   batch:
     timeout: 5s