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https://issues.apache.org/jira/browse/HADOOP-18695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17712378#comment-17712378
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ASF GitHub Bot commented on HADOOP-18695:
-----------------------------------------

steveloughran commented on code in PR #5548:
URL: https://github.com/apache/hadoop/pull/5548#discussion_r1166803520


##########
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/scale/AbstractSTestS3AHugeFiles.java:
##########
@@ -119,6 +119,14 @@ protected Configuration createScaleConfiguration() {
         DEFAULT_HUGE_PARTITION_SIZE);
     assertTrue("Partition size too small: " + partitionSize,
         partitionSize >= MULTIPART_MIN_SIZE);
+    removeBaseAndBucketOverrides(conf,
+        SOCKET_SEND_BUFFER,
+        SOCKET_RECV_BUFFER,
+        MIN_MULTIPART_THRESHOLD,
+        MULTIPART_SIZE,
+        USER_AGENT_PREFIX,
+        FAST_UPLOAD_BUFFER);

Review Comment:
   oh that's cute. Be hard to get right though, especially as there are other 
troublespots related to default option loading (if anyone creates an 
HdfsConfiguration it forces hdfs-default.xml onto the classpath which reloads 
things and breaks tests)





> S3A: reject multipart copy requests when disabled
> -------------------------------------------------
>
>                 Key: HADOOP-18695
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18695
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs/s3
>    Affects Versions: 3.4.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>              Labels: pull-request-available
>
> follow-on to HADOOP-18637 and support for huge file uploads with stores which 
> don't support MPU.
> * prevent use of API against any s3 store when disabled, using logging 
> auditor to reject it
> * tests to verify rename of huge files still works (by setting large part 
> size)



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