There might be a possibility when the value for a key can be changed but the older value is needed later, which can occur especially by mistakes of developers. So the values can be versioned and just an integer as version number and timestamp would be okay.
There might be a possibility when the value for a key can be changed but the older value is needed later, which can occur especially by mistakes of developers. So the values can be versioned and just an integer as version number and timestamp would be okay.