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https://issues.apache.org/jira/browse/HDFS-7584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14318785#comment-14318785
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Hudson commented on HDFS-7584:
------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #7092 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/7092/])
HDFS-7584. Update CHANGES.txt (arp: rev 
9e33c9944cbcb96f9aab74eafce20fe50fe7c9e8)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> Enable Quota Support for Storage Types
> --------------------------------------
>
>                 Key: HDFS-7584
>                 URL: https://issues.apache.org/jira/browse/HDFS-7584
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: datanode, namenode
>            Reporter: Xiaoyu Yao
>            Assignee: Xiaoyu Yao
>             Fix For: 2.7.0
>
>         Attachments: HDFS-7584 Quota by Storage Type - 01202015.pdf, 
> HDFS-7584.0.patch, HDFS-7584.1.patch, HDFS-7584.2.patch, HDFS-7584.3.patch, 
> HDFS-7584.4.patch, HDFS-7584.5.patch, HDFS-7584.6.patch, HDFS-7584.7.patch, 
> HDFS-7584.8.patch, HDFS-7584.9.patch, HDFS-7584.9a.patch, HDFS-7584.9b.patch, 
> HDFS-7584.9c.patch, editsStored
>
>
> Phase II of the Heterogeneous storage features have completed by HDFS-6584. 
> This JIRA is opened to enable Quota support of different storage types in 
> terms of storage space usage. This is more important for certain storage 
> types such as SSD as it is precious and more performant. 
> As described in the design doc of HDFS-5682, we plan to add new 
> quotaByStorageType command and new name node RPC protocol for it. The quota 
> by storage type feature is applied to HDFS directory level similar to 
> traditional HDFS space quota. 



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