U8.3 Memory cache issue

Hi,

I've been running on Umbraco 8.3 for a few weeks now and I've got the issue that sometimes the memory cache is 'gone'.

I have several main categories that show the amount of subcategories that are inside of it. Every now and then (can't think of any reasons so far), it only shows as '1' in each region.

After reloading the memory cache in the back-end, it works properly again and the counters are back to normal..

Any suggestions?