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https://issues.apache.org/jira/browse/HADOOP-15323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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wujinhu updated HADOOP-15323:
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Status: Patch Available (was: Open)
> 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
> Reporter: wujinhu
> Assignee: wujinhu
> Priority: Major
> Attachments: HADOOP-15323.001.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.
> So, we will add a flag to indicate whether support shallow copy or not,
> default value is true.
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