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https://issues.apache.org/jira/browse/HDFS-8030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhe Zhang updated HDFS-8030:
----------------------------
    Description: 
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. 

> 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
>
> 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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