check %SPARK_HOME/conf
copy file log4j.properties.template to log4j.properties
edit log4j.properties and set the log levels to your needs
cat log4j.properties
# Set everything to be logged to the console
log4j.rootCategory=ERROR, console
log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.target=System.err
log4j.appender.console.layout=org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=%d{yy/MM/dd HH:mm:ss} %p
%c{1}: %m%n
# Settings to quiet third party logs that are too verbose
log4j.logger.org.spark-project.jetty=WARN
log4j.logger.org.spark-project.jetty.util.component.AbstractLifeCycle=ERROR
log4j.logger.org.apache.spark.repl.SparkIMain$exprTyper=INFO
log4j.logger.org.apache.spark.repl.SparkILoop$SparkILoopInterpreter=INFO
log4j.logger.org.apache.parquet=ERROR
log4j.logger.parquet=ERROR
# SPARK-9183: Settings to avoid annoying messages when looking up
nonexistent UDFs in SparkSQL with Hive support
log4j.logger.org.apache.hadoop.hive.metastore.RetryingHMSHandler=FATAL
log4j.logger.org.apache.hadoop.hive.ql.exec.FunctionRegistry=ERROR
HTH
Dr Mich Talebzadeh
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On 4 July 2016 at 21:56, Jean Georges Perrin <j...@jgp.net> wrote:
> Hi,
>
> I have installed Apache Spark via Maven.
>
> How can I control the volume of log it displays on my system? I tried
> different location for a log4j.properties, but none seems to work for me.
>
> Thanks for help...
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>
>
