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From "uncleGen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12756) Incorporate Aliyun OSS file system implementation
Date Tue, 19 Jul 2016 07:08:21 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15383693#comment-15383693
] 

uncleGen commented on HADOOP-12756:
-----------------------------------

[~shimingfei] IMHO, when do 'multipartUploadObject' operation in class 'AliyunOSSOutputStream',
the part number is less than or equal to 10000, so the part size need to be limited by 'fs.oss.multipart.upload.size'
and  part number upper limit (now is 10000). See the doc [here](https://help.aliyun.com/document_detail/31993.html?spm=5176.product31815.6.265.iPB9WC).

> Incorporate Aliyun OSS file system implementation
> -------------------------------------------------
>
>                 Key: HADOOP-12756
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12756
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs
>    Affects Versions: 2.8.0, HADOOP-12756
>            Reporter: shimingfei
>            Assignee: shimingfei
>             Fix For: HADOOP-12756
>
>         Attachments: HADOOP-12756-v02.patch, HADOOP-12756.003.patch, HADOOP-12756.004.patch,
HADOOP-12756.005.patch, HADOOP-12756.006.patch, HCFS User manual.md, OSS integration.pdf,
OSS integration.pdf
>
>
> Aliyun OSS is widely used among China’s cloud users, but currently it is not easy to
access data laid on OSS storage from user’s Hadoop/Spark application, because of no original
support for OSS in Hadoop.
> This work aims to integrate Aliyun OSS with Hadoop. By simple configuration, Spark/Hadoop
applications can read/write data from OSS without any code change. Narrowing the gap between
user’s APP and data storage, like what have been done for S3 in Hadoop 



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