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Consistency in distributed systems, isolation levels from the database

"client angle" post-write read because there may be multiple clients running concurrently. When we design architecture for a business application, we look at the problem from the client's point of view. The isolation level , which is the visibility of data between transactions, is discussed in the "parallel write process, or some written (committed) and some that have not yet been actually written (uncommitted) in this process", while the consistency study is what happens when everyone writes,

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