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https://issues.apache.org/jira/browse/HDFS-8023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14483169#comment-14483169
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Kai Zheng commented on HDFS-8023:
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Thanks [~vinayrpet] for working on this. I read the patch, it looks great !
Just some comments to connect this with others.
1. Ref. the discussion [ECZone or XStoragePolicy |
https://issues.apache.org/jira/browse/HDFS-7839?focusedCommentId=14392423&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14392423]
in HDFS-7839, we decided to use {{ECZone}}. So I guess we could have something
like {{ECZoneInfo}} as you used {{ECInfo}}. Make sense?
2. To make the TODOs easy, I just opened HDFS-8074 so that you will just return
the default schema. HDFS-8062 will further fill the left gaps. OK?
A minor. How about {{getEcInfo}} => {{getECInfo}} like you used
{{convertECInfo}}?
> Erasure Coding: retrieve eraure coding policy and schema for a block or file
> from NameNode
> ------------------------------------------------------------------------------------------
>
> Key: HDFS-8023
> URL: https://issues.apache.org/jira/browse/HDFS-8023
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Kai Zheng
> Assignee: Vinayakumar B
> Attachments: HDFS-8023-01.patch
>
>
> NameNode needs to provide RPC call for client, tool, or DataNode to retrieve
> eraure coding policy and schema for a block or file from NameNode.
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