[jira] [Created] (IMPALA-14384) Calcite Planner: reduce the calls to Class.forName, as this can create a performance bottleneck under high concurrency

[weihua zhang (Jira)]

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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