Article of the Day

Consistent Hashing
Imagine you have 12 Redis servers and you're distributing keys using hash(key) % N. Everything works fine until you add one more server.

When you go from 12 to 13 servers, around 92% of your keys can suddenly be mapped to different servers. That means a huge portion of your cache becomes useless at exactly the moment you're trying to scale.

This is the problem consistent hashing solves. Instead of mapping keys directly based on the number of servers, consistent hashing places both servers and keys on a hash ring. When a server is added or removed, only a small portion of the keys need to move, while most of the existing mappings remain unchanged.

It's a relatively simple algorithm, but it's one of those concepts that completely changes how you think about scaling distributed systems.
If you're learning system design or backend engineering, definitely understand this one.

Read the full article 👉 [LINK]

@devwitheyob
#TechVibe #ArticleOfTheDay #DistributedSystems #SystemDesign

back with the Article

@devwitheyob
#TechVibe #articles #tech

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For Muslim families here
Mawlid Mubarak😊

@devwitheyob
#TechVibe #holiday

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I'm not enjoying bahirdar as I supposed to because of this አፈሳ stuff fam really worried everytime I go out😭

@devwitheyob
#TechVibe #random

I really can't escape from this Maleria😭😭

@devwitheyob
#TechVibe #random #malaria

ሴዶ or ጆኒ

@devwitheyob
#TechVibe

Guys, do you know someone studying at Paulos Medical School? My cousin needs some info. Please DM me if you have a contact🙏

@alnova19

@devwitheyob
#TechVibe

Breakthrough people still exist 😭 ... God what did they do to these people koy? They think they’re “awakened.” They don’t make money, and they don’t want to hear anything about how it would be structurally impossible for them to actually make a profit.

I swear, I can’t have a single conversation with them without hearing buzzwords like “vision” and “goals.” And if you actually ask them what their goal or vision is, they don’t even know. Most of them don’t even know why they’re recruiting other people. I’m like, wake up you should’ve been chasing your own vision not me homie Wth 😂

It’s borderline a religion for some of them fr

@selfmadecoder

I couldn't agree more. Some of them are even remedial students, and they want to give me a lecture on how to excel in my goals in school. This is crazy 😂

@devwitheyob
#TechVibe

We all witness great arms😁

@devwitheyob
#TechVibe

BIG UPDATE ON DATASET.ET


WE GOT A 10k USD from AWS from NVIDEA INCETPTION.


This is gonna help us a looot.

How did the Java developer became rich ?

He inherited it

heyyyo Eyob how u doin' brothr , this is Miftah and i really wanted ur help

i just dropped an end to end manual for mastering Fullstack AI Engineering without getting stuck in tutorial hell with all best resources in a single central space it also includes kidus's ml roadmap and seefuns backend mastery ,fullstack open.. as well so whenever u've a second, check out the link and if u think it would help ur audience, I would reallyyy appreciate it so much if you shared it with them🙏🏽

https://t.me/KeyCoodes/252?single