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https://issues.apache.org/jira/browse/HADOOP-15323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16732763#comment-16732763
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Weiwei Yang commented on HADOOP-15323:
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Latest patch looks good. [~wujinhu], pls confirm what branches this needs to be
committed. Can we get it in only 3.x versions as it has a behavior change. I'll
commit once I get this back from you. Thanks.
> AliyunOSS: Improve copy file performance for AliyunOSSFileSystemStore
> ---------------------------------------------------------------------
>
> Key: HADOOP-15323
> URL: https://issues.apache.org/jira/browse/HADOOP-15323
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/oss
> Affects Versions: 2.10.0, 3.2.0, 3.1.1, 2.9.2, 3.0.3, 3.3.0
> Reporter: wujinhu
> Assignee: wujinhu
> Priority: Major
> Attachments: HADOOP-15323.001.patch, HADOOP-15323.002.patch,
> HADOOP-15323.003.patch
>
>
> Aliyun OSS will support shallow copy which means server will only copy
> metadata when copy object operation occurs.
> With shallow copy, we can use copyObject api instead of multi-part copy api
> if we do not change object storage type & encryption type & source object is
> uploaded by Put / Multipart upload api.
> We will try to use copyObject api, and check result. If shallow copy disabled
> for this object, then we will use multipart copy. So, I will remove
> fs.oss.multipart.upload.threshold configuration.
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