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https://issues.apache.org/jira/browse/YARN-2914?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Varun Saxena reassigned YARN-2914:
----------------------------------
Assignee: Varun Saxena
> Potential race condition in ClientSCMMetrics#getInstance()
> ----------------------------------------------------------
>
> Key: YARN-2914
> URL: https://issues.apache.org/jira/browse/YARN-2914
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Varun Saxena
> Priority: Minor
>
> {code}
> public static ClientSCMMetrics getInstance() {
> ClientSCMMetrics topMetrics = Singleton.INSTANCE.impl;
> if (topMetrics == null) {
> throw new IllegalStateException(
> {code}
> getInstance() doesn't hold lock on Singleton.this
> This may result in IllegalStateException being thrown prematurely.
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