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                        I can confirm I have been seeing this as well, but with SQL Data Compare v13.  At one point I had it consuming over 33 GB. [image] .  It was fairly easy for me to reproduce (though in all fairness it was against a database which had four tables that had 1.8 million records) 
- Run compare on large table #1 (~1.8 million records) 
- Generate script 
- Deploy script 
- Run compare on large table #2 (~1.8 million records) 
- Generate script 
- Deploy script 
- Memory usage will be fairly large at that point  
Aside from restarting the tool, I can't provide a better answer.  All that I can say is I have seen this happen as well, typically with Data Compare, but it is not uncommon with SQL Compare either. / comments
                        
                        
                        
                      
                      
                      
                  
                  
                I can confirm I have been seeing this as well, but with SQL Data Compare v13.  At one point I had it consuming over 33 GB. .  It was fairly easy for me to reproduce (though in all fairness it was a...