On sites with hundreds of thousands or millions of members, the Search Members page in the Admin can take a long time to load.  One reason this happens is due to a query that checks whether or not there are members that need to be geocoded.

In order to speed up this process, the Advanced Setting "exact MySQL Queries" can be turned "ON":

When this setting is on the system will not perform the Geocode check and load the Search Members page faster.