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https://issues.apache.org/jira/browse/HDFS-11394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kai Sasaki updated HDFS-11394:
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Attachment: HDFS-11394.03.patch
If the ec policy is included in system erasure coding policies, only policy
name is shown through WebHDFS. In case of other policies, {{cellSize}},
{{numDataUnits}}, {{numParityUnits}} are also shown.
We can do add the test as followup after {{ErasureCodingPolicyManager}} can
load custom policy in addition to system policies.
> Add method for getting erasure coding policy through WebHDFS
> -------------------------------------------------------------
>
> Key: HDFS-11394
> URL: https://issues.apache.org/jira/browse/HDFS-11394
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: erasure-coding, namenode
> Reporter: Kai Sasaki
> Assignee: Kai Sasaki
> Labels: hdfs-ec-3.0-nice-to-have
> Attachments: HDFS-11394.01.patch, HDFS-11394.02.patch,
> HDFS-11394.03.patch
>
>
> We can expose erasure coding policy by erasure coded directory through
> WebHDFS method as well as storage policy. This information can be used by
> NameNode Web UI and show the detail of erasure coded directories.
> see: HDFS-8196
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