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https://issues.apache.org/jira/browse/HADOOP-19050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17826817#comment-17826817
 ] 

ASF GitHub Bot commented on HADOOP-19050:
-----------------------------------------

adnanhemani commented on code in PR #6544:
URL: https://github.com/apache/hadoop/pull/6544#discussion_r1523715465


##########
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/DefaultS3ClientFactory.java:
##########
@@ -401,4 +406,22 @@ private static Region getS3RegionFromEndpoint(final String 
endpoint,
     return Region.of(AWS_S3_DEFAULT_REGION);
   }
 
+  private static <BuilderT extends S3BaseClientBuilder<BuilderT, ClientT>, 
ClientT> void
+      applyS3AccessGrantsConfigurations(BuilderT builder, Configuration conf) {
+    boolean isS3AccessGrantsEnabled = 
conf.getBoolean(AWS_S3_ACCESS_GRANTS_ENABLED, false);
+    if (!isS3AccessGrantsEnabled){
+      LOG.debug("S3 Access Grants plugin is not enabled.");
+      return;
+    }
+
+    boolean isFallbackEnabled =
+        conf.getBoolean(AWS_S3_ACCESS_GRANTS_FALLBACK_TO_IAM_ENABLED, false);
+    S3AccessGrantsPlugin accessGrantsPlugin =
+        S3AccessGrantsPlugin.builder()
+            .enableFallback(isFallbackEnabled)
+            .build();
+    builder.addPlugin(accessGrantsPlugin);
+    LOG.info("S3 Access Grants plugin is enabled with IAM fallback set to {}", 
isFallbackEnabled);

Review Comment:
   Yeah, that's why we had added the log once earlier but I removed it in the 
last revision based on your comments (maybe I misunderstood...?)
   
   Personally, I agree with making it a log once so I'll change it back.





> Add S3 Access Grants Support in S3A
> -----------------------------------
>
>                 Key: HADOOP-19050
>                 URL: https://issues.apache.org/jira/browse/HADOOP-19050
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs/s3
>    Affects Versions: 3.4.0
>            Reporter: Jason Han
>            Assignee: Jason Han
>            Priority: Minor
>              Labels: pull-request-available
>
> Add support for S3 Access Grants 
> (https://aws.amazon.com/s3/features/access-grants/) in S3A.



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