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From "Yiqun Lin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10910) HDFS Erasure Coding doc should state its currently supported erasure coding policies
Date Wed, 28 Sep 2016 02:52:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yiqun Lin updated HDFS-10910:
-----------------------------
    Attachment: HDFS-10910.001.patch

> HDFS Erasure Coding doc should state its currently supported erasure coding policies
> ------------------------------------------------------------------------------------
>
>                 Key: HDFS-10910
>                 URL: https://issues.apache.org/jira/browse/HDFS-10910
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: documentation, erasure-coding
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Wei-Chiu Chuang
>            Assignee: Yiqun Lin
>         Attachments: HDFS-10910.001.patch
>
>
> While HDFS Erasure Coding doc states a variety of possible combinations of algorithms,
block group size and cell size, the code (as of 3.0.0-alpha1) allows only three policies:
RS_6_3_SCHEMA, RS_3_2_SCHEMA and RS_6_3_LEGACY_SCHEMA. All with default cell size. I think
this should be documented.



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