multi-instance-deployment

问题 I've been reading about instances and tenants and in the Saas architecture. My questions are as follows (please correct anything that you notice I've gotten wrong with any of the following terms): 1) Instance: Is an instance of a piece of software just a copy of that software with its own database? Is there anything more to it than that? 2) Tenant: Is a tenant a user / group of users that share a common set of access privileges to an individual instance? 3) Single-instance: If a Saas provider

问题 I have a static repository with stores a large XML file structure in memory and is loaded only once in the MVC application. The application is hosted on Azure (Paas) with 2 instances. We have a design tool which is used to add more stuff or remove stuff from this repository. The challenge we find is that once stuff gets added we need to reload the repository by tearing down the repository and re-creating it. This works but leaves a problem that the static repository has been refreshed only on