A system includes instantiation of a plan generation environment exposing one or more software hooks, each of the one or more software hooks associated with a respective one of a plurality of steps for generating a database table partition redistribution plan, identification, for of the one or more software hooks, of an associated one or more software modules for performing the step associated with the at least one software hook, and execution of the plan generation environment and the identified one or more software modules to generate a database table partition redistribution plan.