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https://issues.apache.org/jira/browse/HADOOP-12924?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rui Li updated HADOOP-12924:
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Attachment: HADOOP-12924.4.patch
Update patch based on my offline discussion with Kai:
1. Add assertion that conf != null when creating the raw coders. And changes
some tests accordingly.
2. Add getCodecName to ErasureCodingPolicy.
3. If the codec name is unknown, consider it a custom codec and get a raw coder
config key for it. Throw an exception if such a key is not configured.
Otherwise create the raw coder using the configured raw coder factory.
4. Add a test to test the codec to raw coder mapping.
> Add default coder key for creating raw coders
> ---------------------------------------------
>
> Key: HADOOP-12924
> URL: https://issues.apache.org/jira/browse/HADOOP-12924
> Project: Hadoop Common
> Issue Type: Sub-task
> Reporter: Rui Li
> Assignee: Rui Li
> Priority: Minor
> Labels: hdfs-ec-3.0-must-do
> Attachments: HADOOP-12924.1.patch, HADOOP-12924.2.patch,
> HADOOP-12924.3.patch, HADOOP-12924.4.patch
>
>
> As suggested
> [here|https://issues.apache.org/jira/browse/HADOOP-12826?focusedCommentId=15194402&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15194402].
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