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https://issues.apache.org/jira/browse/HDDS-3816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17142711#comment-17142711
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Uma Maheswara Rao G commented on HDDS-3816:
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[~maobaolong] Thanks a lot for the interest. Please take a look at the design
[doc|https://issues.apache.org/jira/secure/attachment/13006245/Erasure%20Coding%20in%20Apache%20Hadoop%20Ozone.pdf]
above.
> Erasure Coding in Apache Hadoop Ozone
> -------------------------------------
>
> Key: HDDS-3816
> URL: https://issues.apache.org/jira/browse/HDDS-3816
> Project: Hadoop Distributed Data Store
> Issue Type: New Feature
> Components: SCM
> Reporter: Uma Maheswara Rao G
> Priority: Major
> Attachments: Erasure Coding in Apache Hadoop Ozone.pdf
>
>
> We propose to implement Erasure Coding in Apache Hadoop Ozone to provide
> efficient storage. With EC in place, Ozone can provide same or better
> tolerance by giving 50% or more storage space savings.
> In HDFS project, we already have native codecs(ISAL) and Java codecs
> implemented, we can leverage the same or similar codec design.
> However, the critical part of EC data layout design is in-progress, we will
> post the design doc soon.
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