Jimmyweng006 commented on code in PR #8307:
URL: https://github.com/apache/ozone/pull/8307#discussion_r2061144456


##########
hadoop-ozone/s3gateway/src/main/java/org/apache/hadoop/ozone/s3/endpoint/BucketEndpoint.java:
##########
@@ -292,6 +294,14 @@ public Response get(
     return Response.ok(response).build();
   }
 
+  private int validateMaxKeys(int maxKeys) throws OS3Exception {
+    if (maxKeys <= 0) {
+      throw S3ErrorTable.newError(S3ErrorTable.INVALID_ARGUMENT, "maxKeys must 
be > 0");
+    }
+
+    return Math.min(maxKeys, 1000);

Review Comment:
   In AWS S3 ListObjects & ListObjectsV2 API reference, they both mention below.
   
   > Returns some or all (up to 1,000) of the objects in a bucket.
   
   Therefore I think add the maxKeys up to 1000 is appropriate.
   
   reference:
   
[ListObjects](https://docs.aws.amazon.com/AmazonS3/latest/API/API_ListObjects.html)
   
[ListObjectsV2](https://docs.aws.amazon.com/AmazonS3/latest/API/API_ListObjectsV2.html)



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