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From Johan Liesén (JIRA) <j...@apache.org>
Subject [jira] Commented: (HADOOP-3518) Want NIO.2 (JSR 203) file system provider for Hadoop FileSystem
Date Tue, 10 Mar 2009 03:46:50 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680369#action_12680369
] 

Johan Liesén commented on HADOOP-3518:
--------------------------------------

I proposed this as a GSoC project (http://mail-archives.apache.org/mod_mbox/hadoop-core-dev/200903.mbox/browser)
and am willing to chip in. However, the JavaOne time frame is too short for this.

I believe it's suitable as a GSoC project and can be run side-by-side with both the developments
in JSR203 and Hadoop.

> Want NIO.2 (JSR 203) file system provider for Hadoop FileSystem
> ---------------------------------------------------------------
>
>                 Key: HADOOP-3518
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3518
>             Project: Hadoop Core
>          Issue Type: Wish
>          Components: fs
>            Reporter: Tom White
>
> JSR 203 (aka "NIO.2" or "more NIO") is defining a rich set of classes for interacting
with files and file systems (as well as other NIO enhancements). It is scheduled to be released
as a part of Java 7.
> This motivation behind this issue is to see if NIO.2 can be used as an interface to Hadoop's
FileSystem class before NIO.2 is finalized, thus giving Hadoop developers an opportunity to
influence NIO's design (if necessary). Also, learning more about NIO.2 may inform design decisions
for Hadoop filesystems.
> The starting point for this work should be the java.nio.file.spi package (http://openjdk.java.net/projects/nio/javadoc/java/nio/file/spi/package-summary.html).
There is an example of a filesystem provider (for ZIP files) linked from the OpenJDK page
for NIO.2: http://openjdk.java.net/projects/nio/. This page also has other useful links, such
as a JavaOne talk, javadoc and source code.

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