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https://issues.apache.org/jira/browse/HDFS-11072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15615208#comment-15615208
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Rakesh R commented on HDFS-11072:
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bq. We also need a "replicated" EC policy so we can override the EC policy on a
parent directory and go back to just replicating the files
Hi [~andrew.wang], Instead of adding new "replicated" EC policy, how about call
unset EC policy on a directory and the new files under this will now start
writing in replicated fashion. Like you mentioned in [HDFS-10996, a conversion
tool|https://issues.apache.org/jira/browse/HDFS-10996?focusedCommentId=15613745&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15613745]
will take care of converting all existing ec files to replicated one and vice
versa. Its just a thought, please feel free to correct me if I missed anything.
Thanks!
> Add ability to unset and change directory EC policy
> ---------------------------------------------------
>
> Key: HDFS-11072
> URL: https://issues.apache.org/jira/browse/HDFS-11072
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: erasure-coding
> Affects Versions: 3.0.0-alpha1
> Reporter: Andrew Wang
> Assignee: SammiChen
> Labels: hdfs-ec-3.0-must-do
>
> Since the directory-level EC policy simply applies to files at create time,
> it makes sense to make it more similar to storage policies and allow changing
> and unsetting the policy.
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