mehakmeet commented on a change in pull request #2706:
URL: https://github.com/apache/hadoop/pull/2706#discussion_r672037371
##########
File path:
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3ABlockOutputStream.java
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@@ -389,8 +397,10 @@ public void close() throws IOException {
// PUT the final block
if (hasBlock &&
(block.hasData() || multiPartUpload.getPartsSubmitted() == 0)) {
- //send last part
- uploadCurrentBlock();
+ // send last part and set the value of isLastPart to true in case of
+ // CSE being enabled, since we are sure it is last part as parts
+ // are being uploaded serially in CSE.
+ uploadCurrentBlock(isCSEEnabled);
Review comment:
I was thinking about this myself but thought shouldn't we keep the
non-CSE behavior as it was, that is pre this patch, we weren't setting the
lastPart=true for non-CSE multi-part uploads, and what would be the
implications with multiple threads as well? But it does make sense to have it
true since it would always be the last part uploaded... @steveloughran
thoughts??
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