* revamp query tuning

* rename

* minor corrections

* correcting numbers

* edits

* Apply suggestions from code review

Co-authored-by: Aishwarya Chakravarthy  <achakravarthy@yugabyte.com>

* adding array elements

* copied to stable

* fixes from review

* Apply suggestions from code review

Co-authored-by: Aishwarya Chakravarthy  <achakravarthy@yugabyte.com>

* minor fixes

---------

Co-authored-by: Dwight Hodge <ghodge@yugabyte.com>
Co-authored-by: Aishwarya Chakravarthy <achakravarthy@yugabyte.com>
Co-authored-by: aishwarya24 <ashchakravarthy@gmail.com>