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https://issues.apache.org/jira/browse/IMPALA-13935?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Ge updated IMPALA-13935:
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Summary: The log level of the front-end Java program and the log level of
the back-end C++ program cannot be directly mapped, causinng confusion. (was:
The log level of the front-end Java program and the log level of the back-end
C++ program cannot be associated, causinng confusion.)
> The log level of the front-end Java program and the log level of the back-end
> C++ program cannot be directly mapped, causinng confusion.
> ----------------------------------------------------------------------------------------------------------------------------------------
>
> Key: IMPALA-13935
> URL: https://issues.apache.org/jira/browse/IMPALA-13935
> Project: IMPALA
> Issue Type: Improvement
> Components: Infrastructure
> Affects Versions: Not Applicable
> Reporter: Chris Ge
> Priority: Minor
>
> Impala wrapped the Frontend embedded java program logs into the backend GLOG
> infrasture.
> But For java program, we have TRACE, DEBUG, LOG, WARN,ERROR, FATAL log
> levels, but C++ program, we have only INFO, WARNING, ERROR and FATAL.
> So whenever we enabled the TRACE level log for java program, the
> corresponding log level will be translated to the Backend INFO level. for
> example
> this is a debug level log in the FE:
> [https://github.com/apache/impala/blob/master/fe/src/main/java/org/apache/impala/rewrite/ConvertToCNFRule.java#L102]
> But it will be converted to INFO level in the impalad log
> *I0326* 06:38:22.734169 108511 ConvertToCNFRule.java:100]
> 344220716d8a3dbf:9fdd1f5800000000] It is not feasible to rewrite predicate
> We can see lots of such examples, that is confusing, and Hope we can have
> some mechanism to distinguish those java TRACE/DEBUG/WARN/ERROR log messages
> even they are converted to the log form of BE
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