[jira] [Created] (YARN-5883) Avoid or eliminate expensive YARN get all applications call

["Gour Saha (JIRA)" <ji...@apache.org>]

Gour Saha created YARN-5883:
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             Summary: Avoid or eliminate expensive YARN get all applications call
                 Key: YARN-5883
                 URL: https://issues.apache.org/jira/browse/YARN-5883
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Gour Saha
             Fix For: yarn-native-services


YARN _getAllApplications()_ call with no param or with application types _getApplications(Set<String> applicationTypes)_ are very costly in a cluster with hundreds or thousands of Slider apps running.

YARN now has the API to filter by application tags - YARN-4491. We should be able to use this to avoid these expensive calls.



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