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From: "Billie Rinaldi (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
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Subject: [jira] [Created] (YARN-1732) Change types of related entities and
 primary filters in ATSEntity
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Billie Rinaldi created YARN-1732:
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             Summary: Change types of related entities and primary filters in ATSEntity
                 Key: YARN-1732
                 URL: https://issues.apache.org/jira/browse/YARN-1732
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Billie Rinaldi
            Assignee: Billie Rinaldi


The current types Map<String, List<String>> relatedEntities and Map<String, Object> primaryFilters have issues.  The List<String> value of the related entities map could have multiple identical strings in it, which doesn't make sense. A more major issue is that we cannot allow primary filter values to be overwritten, because otherwise we will be unable to find those primary filter entries when we want to delete an entity (without doing a nearly full scan).

I propose changing related entities to Map<String, Set<String>> and primary filters to Map<String, Set<Object>>.  The basic methods to add primary filters and related entities are of the form add(key, value) and will not need to change.



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