Rewalk Type Summary Table

The following table summarizes the trade-offs for the new and refresh rewalk types.

Method	Advantages	Disadvantages
New	Guarantees most accurate representation of current site.	Uses more bandwidth and temporary disk space.
	Does not disturb live search database.	Longer time before site changes are reflected in live search.
Refresh	Faster.	Could get out of sync with actual site under rare circumstances.
	Uses less bandwidth and temporary disk space.	A lot of changed pages could substantially slow searches during the walk.
	Site changes are reflected in live search much sooner.	Requires If-Modified-Since support on walked web server.