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From "Sanjay Radia (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4005) Cleanup and Document HDFS Client Intefaces and Protocol
Date Sat, 23 Aug 2008 00:04:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sanjay Radia updated HADOOP-4005:
---------------------------------

    Description: 
*Cleanup and Document HDFS Client Intefaces and Protocol*

The HDFS Client Interface/Protocols are
 * Client to Namenode RPC protocol
 * Client to Datanode RPC protocol
 * Client to Datanode Streaming protocol

*Work Items*
 * Cleanup FSConstants  - HADOOP-4006
 * Remove Unnecessary datatypes
 ** Remove DFSFileInfo - FileStatus is sufficient. - HADOOP-4007
 * Make the Client-Datanode streaming protocol concrete - HADOOP-4008
The message exchange could be made concrete by declaring message data types contains the fields
being marshaled.
 * Declare the exceptions in the interface and also in class FileSystem and rethrow the encapsulated
exception. HADOOP-4009

  was:
*Cleanup and Document HDFS Client Intefaces and Protocol*

The HDFS Client Interface/Protocols are
 * Client to Namenode RPC protocol
 * Client to Datanode RPC protocol
 * Client to Datanode Streaming protocol

*Work Items*
 * Cleanup FSConstants
 * Remove Unnecessary datatypes
 ** Remove DFSFileInfo - FileStatus is sufficient.
 * Make the Client-Datanode streaming protocol concrete
The message exchange could be made concrete by declaring message data types contains the fields
being marshaled.
 * Declare the exceptions in the interface and also in class FileSystem and rethrow the encapsulated
exception.


> Cleanup and Document HDFS Client Intefaces and Protocol
> -------------------------------------------------------
>
>                 Key: HADOOP-4005
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4005
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>            Reporter: Sanjay Radia
>            Assignee: Sanjay Radia
>
> *Cleanup and Document HDFS Client Intefaces and Protocol*
> The HDFS Client Interface/Protocols are
>  * Client to Namenode RPC protocol
>  * Client to Datanode RPC protocol
>  * Client to Datanode Streaming protocol
> *Work Items*
>  * Cleanup FSConstants  - HADOOP-4006
>  * Remove Unnecessary datatypes
>  ** Remove DFSFileInfo - FileStatus is sufficient. - HADOOP-4007
>  * Make the Client-Datanode streaming protocol concrete - HADOOP-4008
> The message exchange could be made concrete by declaring message data types contains
the fields being marshaled.
>  * Declare the exceptions in the interface and also in class FileSystem and rethrow the
encapsulated exception. HADOOP-4009

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