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https://issues.apache.org/jira/browse/IMPALA-14384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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weihua zhang updated IMPALA-14384:
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Description:
[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?
was:
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?
> 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
> Priority: Major
>
> [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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