Afaik as the wallet updates the commits are permanent. I know I've had to stop an update at one time and when I resumed the update picked up where it left off.
Also be aware the syncing process is faster these days, probably because of technical improvements. Hoping your sync goes quickly for you, although 800k blocks is going to take a while regardless.
Also be aware the syncing process is faster these days, probably because of technical improvements. Hoping your sync goes quickly for you, although 800k blocks is going to take a while regardless.