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Published Sep. 10, 2025

Where can I get the database query logs for my Liferay PaaS project?

Written By

Alfonso Crisci

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Issue

  • Where can I get database query logs for my Liferay PaaS project?

Environment

  • Liferay PaaS
  • Dynatrace Add-On

Resolution

  1. Ensure to activate the Advanced Application Metrics through Dynatrace: please find the related recource at Advanced Application Metrics (Production Only)
  2. Once active, within the Dynatrace Dashboard, go to the left sidebar > Monitor > Databases
  3. To know the MySQL slow query logs maintained by MySQL instances on the disk, you shall enable the necessary flags using environment variables, for example:

    LCP_GCP_DATABASE_FLAG_SLOW_QUERY_LOG=on
    LCP_GCP_DATABASE_FLAG_LOG_OUTPUT=TABLE
    The full documentation reference is at https://learn.liferay.com/dxp-cloud/latest/en/platform-services/database-service/database-service.html#environment-variables. Once set, you'll be able to see the slow query logs in your mysql database.

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