Ted Yu created YARN-2914:
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Summary: 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
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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