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https://issues.apache.org/jira/browse/HDFS-1961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt Foley updated HDFS-1961:
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Attachment: HDFS-1961_ArchDoc.comments.docx
Okay. Yesterday I didn't notice that section 5.2.7 incorrectly assumes a
NN-centric model of communication with the DN. Remember, the NN never
initiates communication with the DN, it's always the other way around. I'm
attaching a proposed change to 5.2.7, with new sections for the RPC Worker
Threads.
Please use the MS Word "Track Changes" tool to review the proposed changes.
Thanks.
> New architectural documentation created
> ---------------------------------------
>
> Key: HDFS-1961
> URL: https://issues.apache.org/jira/browse/HDFS-1961
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: documentation
> Affects Versions: 0.21.0
> Reporter: Rick Kazman
> Assignee: Rick Kazman
> Labels: architecture, hadoop, newbie
> Fix For: 0.21.0
>
> Attachments: HDFS ArchDoc.Jira.docx, HDFS-1961_ArchDoc.comments.docx
>
>
> This material provides an overview of the HDFS architecture and is intended
> for contributors. The goal of this document is to provide a guide to the
> overall structure of the HDFS code so that contributors can more effectively
> understand how changes that they are considering can be made, and the
> consequences of those changes. The assumption is that the reader has a basic
> understanding of HDFS, its purpose, and how it fits into the Hadoop project
> suite.
> An HTML version of the architectural documentation can be found at:
> http://kazman.shidler.hawaii.edu/ArchDoc.html
> All comments and suggestions for improvements are appreciated.
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