I am trying to installe a fresh theme which is compatable to magento 2.1.7 to the commiunity 2.1.7 platform. the intalation was sucessul. However when I try to do some changers via configuration e.g. change the menu colour and theme colour it does not get updated on the front end. I flused call type of caches no result. however after 1 hour the changers get updated. same thing happen if you put a new product it takes 1 hour to get upgrated. some admin pannel tools get dissapear all of a sudden and reapper after some time. it is like a majic.can some pls give me a solution for this issue.