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Is it always necessary to evenly partition queries.

You are going to build a service that is going to handle a enormous amount of data and requests. Definitely, availability is one of the…

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Comparisons among distributed election algorithms(Bully, Raft and ZAB)

Introduction We often hear concepts such as database clusters , and also know that database clusters provide read and write functions. So how to make…

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Kth shortest path problem

Kth shortest path problem Description Given a directed graph of N nodes (1, 2 … N) and M edges, find the the Kth shortest path…

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Trip to Cancun

I made a trip to mexico this spring break, and the first stop is cancun. It is an ideal destination for those who seek bright…

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Washington Monument

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Never, Never and Never to use “rm -rf” command

What happened with my old posts Yesterday(March 08, 2020) I found my blog server’s disk was coming to be used up so I decided to…

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