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Logging

Camunda Optimize provides logging facilities that are preconfigured to use INFO logging level which provides minimal output of information in log files. This level can be adjusted using the environment-logback.xml configuration file.

Although one could potentially configure logging levels for all packages, it is recommended to set logging levels for the following three Optimize parts using only exact package reference as follows:

  • Optimize runtime environment:
<logger name="org.camunda.optimize" level="info" />
  • Optimize update:
<logger name="org.camunda.optimize.update" level="info">
<appender-ref ref="UPGRADE"/>
</logger>
  • Communication to Elasticsearch:
<logger name="org.elasticsearch" level="warn" />

If you are running Optimize with Docker, use the following environment variables to configure its logging levels:

  • OPTIMIZE_LOG_LEVEL: Sets the logging level for the Optimize log.
  • UPGRADE_LOG_LEVEL: Sets the logging level for the Optimize update log.
  • ES_LOG_LEVEL: Sets the logging level for Elasticsearch.

Whether using the configuration file or Docker environment variables, to define the granularity of the information shown in the log you can set one of the following log levels:

  • error: Shows errors only.
  • warn: Eike error, but displays warnings as well.
  • info: Logs everything from warn and the most important information about state changes or actions in Optimize.
  • debug: In addition to info, writes information about the scheduling process, alerting as well as the import of the engine data.
  • trace: Like debug, but in addition, writes all requests sent to the Camunda engine as well as all queries towards Elasticsearch to the log output.