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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7337) Configurable and pluggable Erasure Codec and schema
Date Tue, 04 Nov 2014 07:00:45 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14195815#comment-14195815

Kai Zheng commented on HDFS-7337:

To better position this issue and avoid the possible confusion with storage policy, rephrased
the title a bit.

> Configurable and pluggable Erasure Codec and schema
> ---------------------------------------------------
>                 Key: HDFS-7337
>                 URL: https://issues.apache.org/jira/browse/HDFS-7337
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Zhe Zhang
>             Fix For: HDFS-EC
> According to HDFS-7285 and the design, this considers to support multiple Erasure Codecs
via pluggable approach. It allows to define and configure multiple codec schemas
> with different coding algorithms and parameters. The resultant codec schemas can be utilized
and specified via command tool for different file folders. While design and implement such
pluggable framework, it’s also to implement a concrete codec by default (Reed Solomon) to
prove the framework is useful and workable. Separate JIRA could be opened for the RS codec

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