One common pattern in the previous systems we have discussed like MapReduce, GFS, and VMware FT is that they all rely on a single entity to make the key decisions. While this has the advantage of making it easier for the system to come to a decision, the downside of this approach is that the entity is now a single point of failure. In this post, we'll discuss the Raft consensus algorithm, which helps to solve this problem, leading to more fault-tolerant systems.
mit-6.824 distributed-systems learning-diaryfrom Hacker News https://ift.tt/35TzSia
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