kangkaisen created KYLIN-2130:
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Summary: QueryMetrics concurrent bug fix
Key: KYLIN-2130
URL: https://issues.apache.org/jira/browse/KYLIN-2130
Project: Kylin
Issue Type: Bug
Components: Query Engine
Affects Versions: v1.5.4.1, v1.5.4
Reporter: kangkaisen
Assignee: kangkaisen
Priority: Minor
Recently，I made a concurrent kylin query test and found a little bug in
QueryMetrics:
If the initial query to a cube or a project is concurrent, the QueryMetric
will register failed and throw a MetricsException.
The exception is like this:
"exception":"Metrics source kylin_test,sub=xxxxxxx already exists!"
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