Implement caching to reduce serializing operations

Today we serialize data for each client connected to us. This operation needs a lot of ram We should cache data between clients to reduce number of data serializing Lets try filecaching for the first iteration

checkout this:

http://www.grantjenks.com/docs/diskcache/

https://joblib.readthedocs.io/en/latest/memory.html

https://github.com/sqlalchemy/dogpile.cache