riya2305 opened a new pull request, #8492:
URL: https://github.com/apache/hadoop/pull/8492
…-level security.
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### Description of PR
[MAPREDUCE-7523](https://issues.apache.org/jira/browse/MAPREDUCE-7523)
introduced mapreduce.security.denied-tasks: a single, global list of disallowed
class name prefixes applied to values of keys listed in
mapreduce.security.property-domain. By default the policy is not per-user or
per-group—the same rules apply to every submitter until an exception is
configured. mapreduce.security.allowed-users already provides a per-user bypass
of that deny list.
This work adds mapreduce.security.allowed-groups: a per-group bypass using
the submitter’s resolved group names from the cluster’s Hadoop group mapping
(UserGroupInformation.getGroupsSet() for that user).
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