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https://issues.apache.org/jira/browse/HDFS-13806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16594498#comment-16594498
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Vinayakumar B edited comment on HDFS-13806 at 8/28/18 4:18 AM:
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Hi [~xiaochen],
{quote}attempt to Unset the ecpolicy on subdirectory, which actually dont have
explicit policy set (inherits on file creation), should throw exception. May be
suggestion to use "REPLICATION" for 3x replication also could be added in the
exception message.
{quote}
Do you think, this suggested change is compatible?
Of-course this is a bug fix, still need to check whether this should be treated
as compatible?
was (Author: vinayrpet):
Hi [~xiaochen],
> EC: No error message for unsetting EC policy of the directory inherits the
> erasure coding policy from an ancestor directory
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-13806
> URL: https://issues.apache.org/jira/browse/HDFS-13806
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: erasure-coding
> Affects Versions: 3.0.0
> Environment: 3 Node SUSE Linux cluster
> Reporter: Souryakanta Dwivedy
> Assignee: Ayush Saxena
> Priority: Minor
> Attachments: HDFS-13806-01.patch, HDFS-13806-02.patch,
> HDFS-13806-03.patch, No_error_unset_ec_policy.png
>
>
> No error message thrown for unsetting EC policy of the directory inherits the
> erasure coding policy from an ancestor directory
> Steps :-
> --------------
> * Create a Directory
> - Set EC policy for the Directory
> - Create a file in-side that Directory
> - Create a sub-directory inside the parent directory
> - Check both the file and sub-directory inherit the EC policy from parent
> directory
> - Try to unset EC Policy for the file and check it will throw error as [
> Cannot unset an erasure coding policy on a file]
> - Try to unset EC Policy for the sub-directory and check it will throw a
> success message as [Unset erasure coding policy from <path>]
> instead of throwing the error message,which is wrong behavior
> Actual output :-
> No proper error message thrown for unsetting EC policy of the directory
> inherits the erasure coding policy from an ancestor directory
> A success message is displayed instead of throwing an error message
> Expected output :-
>
> Proper error message should be thrown while trying to unset EC policy of the
> directory inherits the erasure coding policy from an ancestor directory
> like error message thrown while unsetting the EC policy of a file inherits
> the erasure coding policy from an ancestor directory
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