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From "Todd Lipcon (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2181) Seperate HDFS wire protocol data types
Date Mon, 03 Oct 2011 20:20:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13119565#comment-13119565

Todd Lipcon commented on HDFS-2181:

Hi Sanjay. Since this is a big patch, I want to make sure I understand what's going on. It
looks like it does the following:

1. Move the construction of RPC proxies and wire objects into a "client side translator" class.
2. Pass a new ServerSideTranslator implementation to the RPC.getServer calls. This ServerSideTranslator
translates from wire types back to the generic protocol types.
3. For each of the current types (eg LocatedBlocks, etc), copy them into a protocolR23Compatible
package. For each of these classes, add a static method to convert to/from the generic type
in the .protocol package
4. The Translator classes use the convertTo/convertFrom methods to go from wire types to generic

Does this accurately describe the contents of the patch? I want to make sure I got it right
before I give specific patch feedback.
> Seperate HDFS wire protocol data types
> --------------------------------------
>                 Key: HDFS-2181
>                 URL: https://issues.apache.org/jira/browse/HDFS-2181
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Sanjay Radia
>            Assignee: Sanjay Radia
>         Attachments: separateDataType1.patch, separateDataType10.patch, separateDataType11.patch,
separateDataType12.patch, separateDataType2.patch, separateDataType6.patch, separateDataType7.patch,
separateDataType8.patch, separateDataType9.patch

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