Manage Configurations

Version-Specific Configurations

Each Livy version has independent configuration files:

Bash
    
 
/etc/livy3/conf/              # Livy 3.5.5/etc/livy3_3_3_3/conf/        # Livy 3.3.3/etc/livy3_3_5_1/conf/        # Livy 3.5.1
Copy

Key Configuration Files

livy.conf

Main Livy configuration file containing server settings:

Bash
    
 
# /etc/livy3_3_3_3/conf/livy.conflivy.server.port = 8333livy.spark.master = yarnlivy.spark.deploy-mode = clusterlivy.repl.enable-hive-context = truelivy.rsc.jars = /usr/odp/current/livy3_3_3_3-server/rsc-jarslivy.server.session.timeout = 1h
Copy

spark-blacklist.conf

Controls which Spark configurations clients can override:

Bash
    
 
# Configurations that Livy clients cannot overridespark.masterspark.submit.deployModespark.yarn.keytabspark.yarn.principal
Copy

livy-env.sh

Environment variables for Livy server:

Bash
    
 
export SPARK_HOME=/usr/odp/current/spark3_3_3_3-clientexport SPARK_CONF_DIR=/etc/spark3_3_3_3/confexport HADOOP_CONF_DIR=/etc/hadoop/confexport LIVY_SERVER_JAVA_OPTS="-Xmx2g"
Copy

Modifying Configurations via Ambari

Navigate to Services → Select Livy version
Click the "Configs" tab
Modify settings as needed
Save changes
Restart Livy Server

Example: Increase session timeout for Livy 3.3.3

Go to Spark3 3.3.3 service
Configs → Advanced livy3-3.3.3-conf
Set livy.server.session.timeout = 2h
Save and restart the Livy Server

Last updated on Jan 28, 2026

Was this page helpful?