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Posted to common-issues@hadoop.apache.org by "Vinayakumar B (JIRA)" <ji...@apache.org> on 2015/04/06 10:42:12 UTC
[jira] [Commented] (HADOOP-11645) Erasure Codec API covering the
essential aspects for an erasure code
[ https://issues.apache.org/jira/browse/HADOOP-11645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14481046#comment-14481046 ]
Vinayakumar B commented on HADOOP-11645:
----------------------------------------
+1, patch looks good.
> Erasure Codec API covering the essential aspects for an erasure code
> --------------------------------------------------------------------
>
> Key: HADOOP-11645
> URL: https://issues.apache.org/jira/browse/HADOOP-11645
> Project: Hadoop Common
> Issue Type: Sub-task
> Reporter: Kai Zheng
> Assignee: Kai Zheng
> Attachments: HADOOP-11645-v1.patch, HADOOP-11645-v2.patch
>
>
> This is to define the even higher level API *ErasureCodec* to possiblly consider all the essential aspects for an erasure code, as discussed in in HDFS-7337 in details. Generally, it will cover the necessary configurations about which *RawErasureCoder* to use for the code scheme, how to form and layout the BlockGroup, and etc. It will also discuss how an *ErasureCodec* will be used in both client and DataNode, in all the supported modes related to EC.
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