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Date: Thu, 28 Feb 2008 18:02:51 -0800 (PST)
From: "Sanjay Radia (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Created: (HADOOP-2916) Refactor src structure, but leave
 package structure along
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Refactor src structure, but leave package structure along
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                 Key: HADOOP-2916
                 URL: https://issues.apache.org/jira/browse/HADOOP-2916
             Project: Hadoop Core
          Issue Type: Sub-task
            Reporter: Sanjay Radia
             Fix For: 0.17.0


This Jira proposes that the src structure be split  as below.
 The package structure remains the same for this Jira. (Package renaming is part of other JIras  such as HADOOP-2885).

The idea is that the src will be split   BEFORE the package restructuring

The new proposed src structure is

src/test - unchanged

src/java - will no longer exit , its content will be move to one of core, hdfs, or mapred

src/core - this will contain the core classes that hadoop applications need to link against.
  It will contain client side libraries of  all fs file systems:  local, hdfs, kfs, etc
  jar name hadoop_core.jar

   src/core/org.apache.hadoop.{conf, fs, filechache, io, ipc, log, metrics, net, record, security, tools, util)
   src/core/org.apache.hadoop.dfs - this will contain only the client side parts of dfs.
                   HADOOP-2885 will rename package dfs  to package  fs.hdfs 

src/hdfs/org.apache.hadoop.dfs - this will contain only the server side of hdfs. 
      HADOOP-2885 will rename package dfs  to package  fs.hdfs later; a compatible dfs.DistributedFileSystem will be left for compatibility/
   jar name hadoop_hdfs.jar - this jar can be used to launce NNs and DNs etc.

src/mapred/org.apache.hadoop.mapred.*
   Initially one jar:  hadoop_mapred.jar
   Later this may be split into client-side and server-side jars.

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