# Guidelines for choosing optimization parameters

In this section, some guidelines on how to choose optimization parameters are provided for the following specific technologies:

* [JVM (OpenJ9)](/akamas-docs/3.1.3/using-akamas/optimization-scenarios/optimizing-jvm-layer-openj9.md)
* [JVM (OpenJDK8 and OpenJDK11)](/akamas-docs/3.1.3/using-akamas/optimization-scenarios/optimizing-jvm-layer-openjdk.md)
* [Oracle Database](/akamas-docs/3.1.3/using-akamas/optimization-scenarios/guidelines-for-optimizing-oracle-database.md)
* [PostgreSQL](/akamas-docs/3.1.3/using-akamas/optimization-scenarios/guidelines-for-optimizing-postgresql.md)

These guidelines also provide an example of how to approach the selection of parameters (and how to define the associated domains and constraints) in an optimization study.


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