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From "Subru Krishnan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-6815) [Bug] FederationStateStoreFacade return behavior should be consistent irrespective of whether caching is enabled or not
Date Wed, 12 Jul 2017 23:06:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-6815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Subru Krishnan updated YARN-6815:
---------------------------------
    Attachment: YARN-6815-YARN-2915.v1.patch

Attaching a patch that makes the return behavior of _getSubCluster/getPolicyConfiguration_
consistent and tests to validate the same.

> [Bug] FederationStateStoreFacade return behavior should be consistent irrespective of
whether caching is enabled or not
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-6815
>                 URL: https://issues.apache.org/jira/browse/YARN-6815
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Subru Krishnan
>         Attachments: YARN-6815-YARN-2915.v1.patch
>
>
> {{FederationStateStoreFacade::getSubCluster/getPolicyConfiguration}} returns null if
caching is enabled or throws YarnException if caching is disabled if the queried entity is
absent. This jira proposes to make the return consistent to ensure correctness of clients
like {{RouterPolicyFacade}}.



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