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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-6311) Add support for unix domain sockets to JNI libs
Date Tue, 06 Nov 2012 03:38:18 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13491182#comment-13491182
] 

Colin Patrick McCabe commented on HADOOP-6311:
----------------------------------------------

This latest patch is a new approach, based on the ideas we discussed here.  Basically, the
idea is to add a set of generic Socket classes that implement UNIX domain sockets.

This patch contains no code from Android.  The advantages over the previous approaches are:
* The previous approaches didn't create classes which actually inherited from {{ServerSocket}}
and {{Socket}}.  This patch does.  This means that {{DomainSockets}} can be used in all of
the places where {{InetSockets}} were previously used (see the HDFS-347 patch for the application.)
* This patch has unit tests.
* We skip implementing a few things that we don't really need, like credential-passing
* These classes are fully thread-safe.
                
> Add support for unix domain sockets to JNI libs
> -----------------------------------------------
>
>                 Key: HADOOP-6311
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6311
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: native
>    Affects Versions: 0.20.0
>            Reporter: Todd Lipcon
>            Assignee: Colin Patrick McCabe
>         Attachments: 6311-trunk-inprogress.txt, design.txt, HADOOP-6311.014.patch, HADOOP-6311.016.patch,
HADOOP-6311.018.patch, HADOOP-6311.020b.patch, HADOOP-6311.020.patch, HADOOP-6311.021.patch,
HADOOP-6311.022.patch, HADOOP-6311.023.patch, HADOOP-6311-0.patch, HADOOP-6311-1.patch, hadoop-6311.txt
>
>
> For HDFS-347 we need to use unix domain sockets. This JIRA is to include a library in
common which adds a o.a.h.net.unix package based on the code from Android (apache 2 license)

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