如何更改Spark中的日志级别? [英] How to change log level in spark?

问题描述

我尝试了所有这些方法，但没有任何效果:

I tried all this methods and nothing works :

在log4j文件中-

log4j.logger.org=OFF

log4j.rootCategory=ERROR, console
log4j.rootCategory=OFF, console

在代码中:

#option 1
Logger.getLogger("org.apache.spark").setLevel(Level.OFF)

#option 2
sparkContext.setLogLevel("OFF")

#option 3
val rootLogger: Logger = Logger.getRootLogger()
rootLogger.setLevel(Level.OFF)

是的，也尝试过将其放在spark上下文对象之前，但似乎没有任何效果.
我想念什么? 还是还有另一种设置日志级别的方法?

And yes also tried by putting it after spark context object also before.Nothing seems working.
What am I missing ? Or Is there another way to set the log levels ?

推荐答案

您可以从一开始就找到这些日志，这意味着我们需要通过logback而不是log4j来设置日志配置.

You could find these logs from the start, which means we need to set log config via logback instead of log4j.

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/Users/linzi/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/C:/Users/linzi/.m2/repository/org/slf4j/slf4j-log4j12/1.7.26/slf4j-log4j12-1.7.26.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [ch.qos.logback.classic.util.ContextSelectorStaticBinder]

添加为logback.xml设置，如下所示:

Add as logback.xml setting as below:

<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
    <layout class="ch.qos.logback.classic.PatternLayout">
        <Pattern>
            %d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n
        </Pattern>
    </layout>
</appender>

<logger name="com.mkyong" level="debug" additivity="false">
    <appender-ref ref="CONSOLE"/>
</logger>

<root level="error">
    <appender-ref ref="CONSOLE"/>
</root>

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