add log

recommend-feature-service/src/main/java/com/tzld/piaoquan/recommend/feature/service/FeatureV2Service.java

@@ -48,6 +48,8 @@ public class FeatureV2Service {
                     .build();
         }
 
+        long startTime = System.currentTimeMillis();
+
         // 1. 生成Redis Key列表
         List<String> redisKeys = CommonCollectionUtils.toList(request.getFeatureKeyList(), this::redisKey);
 
@@ -99,7 +101,9 @@ public class FeatureV2Service {
             builder.putFeature(request.getFeatureKeyList().get(i).getUniqueKey(),
                     Strings.nullToEmpty(values.get(i)));
         }
-        return builder.build();
+        MultiGetFeatureResponse build = builder.build();
+        log.info("multiGetFeature, cost={}ms", System.currentTimeMillis() - startTime);
+        return build;
     }
 
     private static final class BatchFuture {