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blog.thislongrun.com | ||
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aphyr.com
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robertovitillo.com
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| | | | | Coordination is expensive as it reduces the availability and performance of distributed applications (PACELC theorem). I have extended chapter 10 of Understanding Distributed Systems with a discussion of how to minimize coordination using one of the following patterns: Keep coordination off the critical path Use protocols that guarantee some form of consistency without coordination Proceed without coordination and apologize when an inconsistency is detected Section 10.4 describes chain replication, a wid... | |
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tomaugspurger.net
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| | | | | Last week, I was fortunate to attend Dave Beazley's Rafting Trip course. The pretext of the course is to implement the Raft Consensus Algorithm. I'll post more about Raft, and the journey of implementing, it later. But in brief, Raft is an algorithm that lets a cluster of machines work together to reliably do something. If you had a service that needed to stay up (and stay consistent), even if some of the machines in the cluster went down, then you might want to use Raft. | |
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www.sindark.com
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