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https://issues.apache.org/jira/browse/HDFS-8030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15082090#comment-15082090
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Zhe Zhang commented on HDFS-8030:
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Thanks Kai. Yes I think this feature requires a branch. I'll create one when we
finish discussing the design and move to the actual development.
> HDFS Erasure Coding Phase II -- EC with contiguous layout
> ---------------------------------------------------------
>
> Key: HDFS-8030
> URL: https://issues.apache.org/jira/browse/HDFS-8030
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: erasure-coding
> Reporter: Zhe Zhang
> Assignee: Zhe Zhang
> Attachments: HDFSErasureCodingPhaseII-20151204.pdf
>
>
> Data redundancy form -- replication or erasure coding, should be orthogonal
> to block layout -- contiguous or striped. This JIRA explores the combination
> of {{Erasure Coding}} + {{Contiguous}} block layout.
> As will be detailed in the design document, key benefits include preserving
> block locality, and easy conversion between hot and cold modes.
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