Report memory issue, What other than FREE internal tables?

Friends,

I need to solve the memory space problem to one of my report as that report making some issues while running in back groud job.

As of my knowledge there is a FREE Internal Table statement which can release the memory allocated for Internal Tables of our reports.

What are the other good steps to solve this memory loss issue.

Experts please share your valueble experiance here.

Thanks,

Naveen Inuganti