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https://issues.apache.org/jira/browse/HADOOP-2916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12597230#action_12597230
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Doug Cutting commented on HADOOP-2916:
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> What is the current status of this jira?
What are the benefits of these changes alone? Some related goals I have are:
- eventually split hdfs and mapred into separate subprojects
- remove non-user APIs from javadocs
Does this as it stand help these? Splitting the tree doesn't address the first
much, since the real issue there is dependencies, not directory structure. But
I guess it's a start.
I can see some progress towards the second here too. Moving the HDFS server
code into a separate tree means we can more easily exclude it from javadocs.
But this does not address moving non-user mapred classes from the javadoc, does
it?
I think I'd prefer issues that more directly address these goals, or to more
precisely state the goals and benefits of this issue.
> 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
> Attachments: convert-patch.sed, convert-patch.sed, HADOOP-2916.patch,
> svn-commands.sh, 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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