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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-7699) Erasure Codec API to possiblly consider all the essential aspects for an erasure code
Date Thu, 29 Jan 2015 03:55:34 GMT
Kai Zheng created HDFS-7699:
-------------------------------

             Summary: Erasure Codec API to possiblly consider all the essential aspects for
an erasure code
                 Key: HDFS-7699
                 URL: https://issues.apache.org/jira/browse/HDFS-7699
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Kai Zheng
            Assignee: Kai Zheng


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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