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https://issues.apache.org/jira/browse/HDFS-1073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13068612#comment-13068612
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Todd Lipcon commented on HDFS-1073:
-----------------------------------
Replying to Suresh
[above|https://issues.apache.org/jira/browse/HDFS-1073?focusedCommentId=13068216&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13068216]
regarding CHANGES.txt:
I agree that our current protocol isn't great. The problem with the way
federation was done is that, although federation is a New Feature, many of the
subcomponents were just bug fixes against the federation branch.
Would it be OK with you if I did the following?
- add in the NEW FEATURES section: "HDFS-1073. Redesign the NameNode's storage
layout for image checkpoints and edit logs to introduce transaction IDs and be
more robust. Please see HDFS-1073 section below for breakout of individual
patches."
- add a new section called "BREAKOUT OF HDFS-1073 Subtasks" with the contents
of CHANGES.HDFS-1073.txt
> Simpler model for Namenode's fs Image and edit Logs
> ----------------------------------------------------
>
> Key: HDFS-1073
> URL: https://issues.apache.org/jira/browse/HDFS-1073
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 0.23.0
> Reporter: Sanjay Radia
> Assignee: Todd Lipcon
> Fix For: 0.23.0
>
> Attachments: hdfs-1073-editloading-algos.txt, hdfs-1073-merge.patch,
> hdfs-1073-merge.patch, hdfs-1073.txt, hdfs1073.pdf, hdfs1073.pdf,
> hdfs1073.pdf, hdfs1073.tex
>
>
> The naming and handling of NN's fsImage and edit logs can be significantly
> improved resulting simpler and more robust code.
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