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Posted to common-dev@hadoop.apache.org by "Doug Cutting (JIRA)" <ji...@apache.org> on 2008/04/07 18:55:27 UTC

[jira] Commented: (HADOOP-3199) Need an FTP Server implementation over HDFS

    [ https://issues.apache.org/jira/browse/HADOOP-3199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12586469#action_12586469 ] 

Doug Cutting commented on HADOOP-3199:
--------------------------------------

Some observations:

- A significant advantage of FTP over HTTP for access to HDFS is that it supports directory enumeration and other filesystem-specific operations.

- A significant disadvantage of FTP over HTTP is that it does not support redirects.  It is thus more awkward to efficiently access the files of a cluster over FTP.  Naive clients will access all files on a cluster through a single host, creating a bottleneck.


> Need an FTP Server implementation over HDFS
> -------------------------------------------
>
>                 Key: HADOOP-3199
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3199
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: dfs
>    Affects Versions: 0.16.2
>            Reporter: Ankur
>
> An FTP server that sits on top of a distributed filesystem like HDFS has many benefits. It allows the storage and management of data via clients that do not know HDFS but understand other more popular transport mechanism like FTP. The data is thus managed via a standard and more popular protocol, support for which is widely available.
> The idea is to leverage what is already available in Apache  http://mina.apache.org/ftpserver.html and build on top of it. This FTP server can be embedded easily in hadoop and can easily be programmed to talk to HDFS via an Ftplet which is run by the FTP server.
> Ideally there should be options to configure FTP server settings (in hadoop-default.xml) which allows FTP server to be started when HDFS is booted. 

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