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From "Xiaobing Zhou (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10224) Implement asynchronous rename for DistributedFileSystem
Date Fri, 22 Apr 2016 22:22:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15254798#comment-15254798
] 

Xiaobing Zhou commented on HDFS-10224:
--------------------------------------

Patch v005 is posted with all your comments addressed, however, AsyncDistributedFileSystem
can not be initialized by member or constructor in DistributedFileSystem, otherwise, we'll
get NPE since DistributedFileSystem is not fully initialized at that point. I choose to use
singleton with weak consistency. Thank you [~szetszwo].

> Implement asynchronous rename for DistributedFileSystem
> -------------------------------------------------------
>
>                 Key: HDFS-10224
>                 URL: https://issues.apache.org/jira/browse/HDFS-10224
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: fs
>            Reporter: Xiaobing Zhou
>            Assignee: Xiaobing Zhou
>         Attachments: HDFS-10224-HDFS-9924.000.patch, HDFS-10224-HDFS-9924.001.patch,
HDFS-10224-HDFS-9924.002.patch, HDFS-10224-HDFS-9924.003.patch, HDFS-10224-HDFS-9924.004.patch,
HDFS-10224-HDFS-9924.005.patch, HDFS-10224-and-HADOOP-12909.000.patch
>
>
> This is proposed to implement an asynchronous DistributedFileSystem based on AsyncFileSystem
APIs in HADOOP-12910. In addition, rename is implemented in this JIRA.



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