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https://issues.apache.org/jira/browse/HDFS-7866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15183969#comment-15183969
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Zhe Zhang commented on HDFS-7866:
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Thanks Rui for updating the patch. The latest version (v12) LGTM.
I also like Walter's idea on the Javadoc. Interesting thought on EC with
contiguous layout (phase 2). [~walter.k.su] Are you OK with committing the v12
patch and making the Javadoc change in the follow-on JIRA? As discussed above,
we have a few cleanups to do, including adding a new constructor with policy ID.
> Erasure coding: NameNode manages multiple erasure coding policies
> -----------------------------------------------------------------
>
> Key: HDFS-7866
> URL: https://issues.apache.org/jira/browse/HDFS-7866
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Kai Zheng
> Assignee: Rui Li
> Attachments: HDFS-7866-v1.patch, HDFS-7866-v2.patch,
> HDFS-7866-v3.patch, HDFS-7866.10.patch, HDFS-7866.11.patch,
> HDFS-7866.12.patch, HDFS-7866.4.patch, HDFS-7866.5.patch, HDFS-7866.6.patch,
> HDFS-7866.7.patch, HDFS-7866.8.patch, HDFS-7866.9.patch
>
>
> This is to extend NameNode to load, list and sync predefine EC schemas in
> authorized and controlled approach. The provided facilities will be used to
> implement DFSAdmin commands so admin can list available EC schemas, then
> could choose some of them for target EC zones.
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