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https://issues.apache.org/jira/browse/HADOOP-19256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17884849#comment-17884849
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ASF GitHub Bot commented on HADOOP-19256:
-----------------------------------------
diljotgrewal commented on code in PR #7011:
URL: https://github.com/apache/hadoop/pull/7011#discussion_r1776365804
##########
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/RequestFactoryImpl.java:
##########
@@ -517,12 +518,22 @@ public CreateMultipartUploadRequest.Builder
newMultipartUploadRequestBuilder(
public CompleteMultipartUploadRequest.Builder
newCompleteMultipartUploadRequestBuilder(
String destKey,
String uploadId,
- List<CompletedPart> partETags) {
+ List<CompletedPart> partETags,
+ PutObjectOptions putOptions) {
+
// a copy of the list is required, so that the AWS SDK doesn't
// attempt to sort an unmodifiable list.
- CompleteMultipartUploadRequest.Builder requestBuilder =
-
CompleteMultipartUploadRequest.builder().bucket(bucket).key(destKey).uploadId(uploadId)
+ CompleteMultipartUploadRequest.Builder requestBuilder;
+ Map<String, String> optionHeaders = putOptions.getHeaders();
Review Comment:
Could you please provide some additional details? I took a stab at it
[here](https://github.com/diljotgrewal/hadoop/commit/0cf89eb5a06ec5b8be83af41aee07d8c2bed959e)
but I'm not sure if I'm on the right track.
Thanks!!
> S3A: Support S3 Conditional Writes
> ----------------------------------
>
> Key: HADOOP-19256
> URL: https://issues.apache.org/jira/browse/HADOOP-19256
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Ahmar Suhail
> Priority: Major
> Labels: pull-request-available
>
> S3 Conditional Write (Put-if-absent) capability is now generally available -
> [https://aws.amazon.com/about-aws/whats-new/2024/08/amazon-s3-conditional-writes/]
>
> S3A should allow passing in this put-if-absent header to prevent over writing
> of files.
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