SUM stores node information between sessions, including user credentials for nodes, in a database file. The 
		  clean-cache removes the database information. The command does not delete the log directories or files.
		
Procedure
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		  Shut down the SUM engine. 
		   
		
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		  From a command-line window, navigate to the directory that contains SUM. 
		   
		
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		  Type 
			 clean-cache.bat(Windows) orclean-cache.sh(Linux).NOTE: If you are using a GUI, you can navigate to the directory that holds SUM and run 
				  clean-cacheto clear the cache. Running the clean-cache command erases all nodes, baselines, and other information entered in SUM.