JVM options

Lenses runs as a JVM app and you can tune runtime configurations via environment variables.

Key	Description
LENSES_OPTS	For generic settings, such as the global truststore. Note that the docker image is using this to plug in a prometheus java agent for monitoring Lenses
LENSES_HEAP_OPTS	JVM heap options. Default setting are `-Xmx3g -Xms512m` that sets the heap size between 512MB and 3GB. The upper limit is set to 1.2GB on the Box development docker image.
LENSES_JMX_OPTS	Tune the JMX options for the JVM i.e. to allowing remote access.
LENSES_LOG4J_OPTS	Override Lenses logging configuration. Should only be used to set the logback configuration file, using the format `-Dlogback.configurationFile=file:/path/to/logback.xml`.
LENSES_PERFORMANCE_OPTS	JVM performance tuning. The default settings are `-server -XX:+UseG1GC -XX:MaxGCPauseMillis=20 -XX:InitiatingHeapOccupancyPercent=35 -XX:+DisableExplicitGC -Djava.awt.headless=true`

Last modified: April 24, 2024