Configuring the Localized Log Levels

Updated on 2024-12-11 GMT+08:00

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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

NOTE:

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

Parent topic: YARN O&M Management

Previous topic: Yarn Log Overview

Next topic: Configuring Memory Usage Detection

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