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Posted to dev@drill.apache.org by "weijie.tong (JIRA)" <ji...@apache.org> on 2017/07/31 15:23:00 UTC

[jira] [Created] (DRILL-5696) change default compiler strategy

weijie.tong created DRILL-5696:
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             Summary: change default compiler strategy
                 Key: DRILL-5696
                 URL: https://issues.apache.org/jira/browse/DRILL-5696
             Project: Apache Drill
          Issue Type: Improvement
          Components: Execution - Codegen
    Affects Versions: 1.11.0, 1.10.0, 1.9.0
            Reporter: weijie.tong


at our production ,when we have more than 20 agg expression, the  compile time is high using the default janino.  but when changed to  jdk compiler,we gain fewer compile time than the janino one. Our product jdk version is 1.8. 

So the default one should be JDK , if user's jdk version is upper than 1.7. We should add another check condition to the ClassCompilerSelector.





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