Help Center/ MapReduce Service/ User Guide (Kuala Lumpur Region)/ MRS Cluster Component Operation Gudie/ Using Yarn/ Configuring the Localized Log Levels
Updated on 2022-08-12 GMT+08:00
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Configuring the Localized Log Levels

This section applies to clusters of MRS 3.x or later.

Scenarios

The default log level of localized container is INFO. You can change the log level by configuring yarn.nodemanager.container-localizer.java.opts.

Configuration Description

On Manager, choose Cluster > Name of the desired cluster > Service > Yarn > Configuration. Select All Configurations and set the following parameters in the configuration file yarn-site.xml of NodeManager to change the log level.

Table 1 Parameter description

Parameter

Description

Default Value

yarn.nodemanager.container-localizer.java.opts

The additional jvm parameters are provided for the localized container process.

-Xmx256m -Djava.security.krb5.conf=${KRB5_CONFIG}

The default value is -Xmx256m -Djava.security.krb5.conf=${KRB5_CONFIG} and the default log level is info. To change the localized log level of the container, add the following content:

-Dhadoop.root.logger=<LOG_LEVEL>,localizationCLA

Example:

To change the local log level to DEBUG, set the parameter as follows:

-Xmx256m -Dhadoop.root.logger=DEBUG,localizationCLA

Allowed log levels are as follows: FATAL, ERROR, WARN, INFO, DEBUG, TRACE, and ALL.

Parent topic: Using Yarn