weihua zhang created IMPALA-14384:
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Summary: Calcite Planner: reduce the calls to Class.forName, as
this can create a performance bottleneck under high concurrency
Key: IMPALA-14384
URL: https://issues.apache.org/jira/browse/IMPALA-14384
Project: IMPALA
Issue Type: Sub-task
Reporter: weihua zhang
Just checking,
https://github.com/apache/impala/blob/master/fe/src/main/java/org/apache/impala/service/Frontend.java#L3724
Can we reduce the calls to Class.forName, as this can create a performance
bottleneck under high concurrency?
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