Souryakanta Dwivedy created HDFS-13832:
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Summary: 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
Attachments: Delete_ec_policy.PNG
No administrative command provided to delete an user defined erasure coding
policy
Step : -
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* 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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