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https://issues.apache.org/jira/browse/HADOOP-2916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12577663#action_12577663
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rangadi edited comment on HADOOP-2916 at 3/11/08 6:10 PM:
---------------------------------------------------------------
svn-commands.sh and patch for build.xml is attached.
to apply the changes, start with a clean check out of the trunk and run the
following
command at top level directory :
{noformat}
$ sh svn-commands.sh
$ patch -p0 < HADOOP-2916.patch
{noformat}
If this fails for any reason, try :
{noformat}
$ svn revert -R src build.xml
$ rm -rf src/core src/mapred src/hdfs
{noformat} and try to run script again.
There are no changes made to any file under src/.
The changes to build.xml could be better if I had more experience with ant.
Essentially each instance of 'src/java' need be replaced by three directories :
src/core, src/mapred, and src/hdfs. But this can not be done using just a
simple property that has these three values concatinated. Please suggest if
there is a better way.
was (Author: rangadi):
svn-commands.sh and patch for build.xml is attached.
How to apply the changes, start with a clean check out of the trunk and run the
following
command at top level directory :
{noformat}
$ sh svn-commands.sh
$ patch -p0 < HADOOP-2916.patch
{noformat}
If this fails for any reason, try :
{noformat}
$ svn revert -R src build.xml
$ rm -rf src/core src/mapred src/hdfs
{noformat} and try to run script again.
There are no changes made to any file under src/.
The changes to build.xml could be better if I had more experience with ant.
essentially each instance of 'src/java' need be essentially replaced by three
directories src/core, src/mapred, and src/hdfs. But this can not be done using
just a simple property that has these three values. Please suggest if there is
a better way.
> Refactor src structure, but leave package structure along
> ---------------------------------------------------------
>
> Key: HADOOP-2916
> URL: https://issues.apache.org/jira/browse/HADOOP-2916
> Project: Hadoop Core
> Issue Type: Sub-task
> Components: dfs
> Reporter: Sanjay Radia
> Assignee: Raghu Angadi
> Fix For: 0.17.0
>
> Attachments: HADOOP-2916.patch, svn-commands.sh
>
>
> 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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