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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