Hi, I have a site running on version 2.3.5 and the site generally runs fast but the Admin is slow especially when you go to Sales Orders - it takes ages (20seconds or more) for the list of orders to load. It didn't used to be so slow, it started doing this in the last few months.
I'ev tried clearing cache, reindexing, I've upped PHP memory limit to very high value but nothing changes. It's running on dedicated servere.
Has anyone any idea what I could do to get this to load quicker.
Thank you
