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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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Description:
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.
was:
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.
> 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.
> 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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