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https://issues.apache.org/jira/browse/HDFS-13832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ayush Saxena resolved HDFS-13832.
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Resolution: Duplicate
> EC: No administrative command provided to delete an user-defined erasure
> coding policy
> --------------------------------------------------------------------------------------
>
> Key: HDFS-13832
> URL: https://issues.apache.org/jira/browse/HDFS-13832
> 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: Major
> Attachments: Delete_ec_policy.PNG
>
>
> No administrative command provided to delete an user defined erasure coding
> policy
> Step : -
> ---------------
> * Create a Directory
> - Add 64 user-defined ec policies in the ID range of [64 to 127].Beyond that
> system will not allow
> to add any more policy.
> - Enable an ec policy and the set it to the directory.
> - Disable the policy and check the state of the policy in -listPolicies
> -If the ec policy is in disable state ,system will not allow you to set it
> on any directory
> -Remove the ec policy and check the state of the policy in -listPolicies.
> Its just set the state as removed ,but the policy is still present in the
> list.
> -If the ec policy is in remove state,system will not allow you to set it on
> any directory
> - There is no difference between disable and remove state.
> -After adding 64 user-defined ec policies ,if an user wants to delete a
> policy which is not usable any more or not correctly added instead of that
> wants to add a new desired user-defined ec policy ,it can not be possible as
> no delete option is provided.Only remove policy option is given,which is not
> removing an user-defined policy,only set the policy state as removed.
> Actual ouput :-
>
> No administrative command provided to delete an user defined erasure coding
> policy.With "-removePolicy" we can set a policy state as removed,we cann't
> delete the user-defined ec policy.After adding 64 user-defined ec policies,if
> a user wants to delete an policy and add a new desired policy,there is no
> administrative provision provided to perform this operation.
>
> Expected output :-
>
> Either "-removePolicy" should remove the user-defined ec policy ,instead of
> changing the policy state to removed only or administrative privilege should
> be provided to delete an user-defined ec policy.
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