Consistent Hashing | Algorithms You Should Know #1

[@ByteByteGo]

Subscribe and leave a comment, we read them all :)

[@praenubilus1980]

hope you can update more requently 😄

[@matthayden1979]

Yes! I already did. Difficult concepts explained in such an easy way.

[@AdityaDodda]

Amazing video! Can you make a video comparing this to Rendezvous Hashing please.

[@pajeetsingh]

Service mesh.

[@chrisfrancisbass]

You know when you try hard to understand something that just doesn't make sense to you, then you find an explanation so clear and simple that it actually makes you chuckle... For me, that's this video.

[@RajeevSoni007]

Hats down. This channel is really a blessing for the software engineers. This is the most simplified video on consistent hashing i have seen till now 👍

[@ByteByteGo]

What algorithms should we talk about next?

[@mdwakil7263]

Can you please cover architectural design patterns like Saga etc?

[@igboman2860]

cryptographic algorithms? Huffman, RSA etc

[@muddhitbaid2831]

Quad tree

[@helloworld7313]

Bloom Filter

[@eliyahubasa9401]

Bloom Filter or hash function under the hoods

[@shoooozzzz]

Watching your channel should be a requirement for anyone in software engineering. Love the variety of topics

[@amitchoraria5737]

I cant get my head around the fact that this channel is having less than a million subscribers. It deserves much more than that!!!

[@PrevalentAA]

This is one of the best teaching styles I've personally encountered on KZbin. Would be absolutely amazing if you could make a playlist for beginner software engineers starting with the core concepts. I would definitely pay for such a playlist/course. Thank you for all the time and effort you put into these videos, the visualisations definitely help to drive the point home like no others.

[@abhimanyusood3933]

Struggled with understanding consistent hashing for 40 minutes (from sources like educative course, stackoverflow, google etc.) Then found this video and understood the topic completely in 8 minutes. The explanation so concise and elegant that perhaps for the first time ever, I didn't even have to make notes! For revision, I can just rewatch 5 minutes of this video which will be faster than studying any notes that I can make.

[@skdevv]

Teaching style of Sahn Lam is the best I have come across in KZbin.. his way of teaching is evenly paced, pleasant & clear. Thank you.

[@dsinkey]

I read the chapter on consistent hashing in System Design Interview, and didn’t feel like I understood it completely. This video helped so much. I’d love to see walk throughs of some of the systems on this channel.

[@ByteByteGo]

Thank you for the feedback. We agree videos augment text and they could be very useful. The chapter length videos take a lot of efforts to make. We will try to make one once a month, or maybe every two months.

[@AditiAgarwal1695]

You explain each concept so well with just the right amount of detail. An added bonus is your way of speaking which is so calming and peaceful. Thanks for this amazing content you put out and wishing you the very best for the future!

[@sumanshekhar8110]

Man, you should bring out an entire series, It takes too much effort to come up with a video where you show too many concepts in a short amount of time. you are a saviour for legion like us.

[@AlphaTheSkunk]

I agree, and furthermore, I am willing to pay if it helps bring a series with this level of quality and information density. Especially your videos on systems design are a blessing.

[@cristianb.3683]

Best explanation of consistem hashing I have found so far! Keep it up!

[@jordanweir7187]

The amount of genius in the ideas here, the ring, someone did an insane job there at some point. also great explanation

[@sundevai]

I feel joy when I see this presenter. Def one reason is his videos are simple and have lots of animation other at human level he seems to be pretty descent person.

[@ashuthe1]

The value your chanel is providing is immense.

[@glebbondarenko67]

I really liked that explanation. I didn't know that server are also using the same hash function. And this workaround with virtual nodes is awesome

[@derekyingzhi8009]

The best system design video ever. I wish you could make more videos like this available on youtube. Thank you!

[@ByteByteGo]

Thank you for the feedback. We’ll definitely make more videos like this. Let us know if you have specific topics you’d like to see.

[@davidwilliams6089]

Found this via a Hacker News post. While I don't have any background in computer science, your explanation of the implementation approaches, issues, leading to virtual nodes in consistent hashing was clear and made sense to me. Thank you!

[@komalkungwani4625]

I was never able to properly understand what consistent hashing is, but after watching this video it seems so clear now. Thank you so much for such videos. Please keep it up and upload more videos . We are here to support. 🎉

[@ameliasundman2388]

I don't know where I would be without this video, thank you. So much effort was clearly put into this and it was so worth it. Very easy to understand.

[@theRenjie]

The illustration is the best I have seen for the virtual nodes. Thank you so much for the clear explanation.

[@larryd9577]

I found your blog through Twitter and swallowed it whole. Your videos are even better. Keep up the great work!

[@freud6343]

I am not sure whether I should comment on the excellent explanation or mind-blowing presentation.

[@ketandixit]

This is the best and most concise explanation !! Very impressive !! 👏

[@vickylance]

This video was extremely useful just when i was about to implement self routing varnish cluster with consistent hashing. Awesome video

[@lucasnoetzold]

dude your content is simply outstanding you synthesize very complex subjects in the amount of explanation that is just right for understanding without getting lost how come I've not seen you earlier?

[@cyboticIndustries]

Such clarity and brevity to this and all your videos. Many of these topics are of little use to me, but I watch and learn anyway due to your teaching style. Fantastic! Thankyou ! 🙏

[@thisaintmyrealname1]

Thank you! I came across consistent hashing while reading the chapter on Metrics Monitoring from System Design Vol. 2. I had never heard the concept, so I searched it on youtube, and there you were as the 1st result! Great explanation. Now back to the book 👋

[@mailnrajesh]

Finally, I was able to understand what consistent hashing is!!!

[@gsenthilkumar8139]

01:01 Consistent hashing evenly distributes data in distributed systems. 02:02 Consistent hashing ensures even distribution of hashes and allows flexibility with server changes. 03:03 Consistent hashing ensures objects stay assigned to the same server despite changes 04:04 Consistent hashing uses a hash ring to map servers and objects efficiently. 05:05 Consistent hashing minimizes key redistribution when adding or removing servers. 06:06 Consistent hashing can lead to uneven distribution of objects on servers. 07:07 Using virtual nodes for load balancing in consistent hashing 08:04 Consistent hashing is used in real-world systems like NoSQL databases, high-end delivery networks, and load balancers. Crafted by Merlin AI.

[@YashSharma0605]

I das reading the book and then came across this video. The visual really helps to drive the topic home. Nicely done.

[@diyoptics1387]

I know explanation is good when I have questions and immediately the answer is narrated! Well done!

[@yash7891]

What an amazing explanation. Please keep producing more content

[@DreckbobBratpfanne]

1) Great explanation 2) Its oddly satisfying when he says "the other keys are unaffected"

[@deepakbhoria4172]

i read cassandra docs but couldn't understand virtual nodes, your video taught me so simply.

[@wiri2391]

Wow, super clean animations and the explanations are on point!

[@rhtcguru]

Stumbled on your videos recently. I really like your style. Animations are great and the summaries are clear and concise. Keep up the great work!

[@kapilshekhar]

Unambiguous, clear and simple explanation .. this channel is full of wisdom !

[@DevendraLattu]

You mentioned two NoSQL DBs use consistent hashing for data partioning. What about other SQL and NoSQL DBs? What are some tradeoffs with those?

[@distrologic2925]

Thanks, this is what the world needs. Quick and digestable instructions on useful algorithms.

[@DanielTorres-gd2uf]

These just started popping up in my feed. Very cool. Love the production quality on these videos keep em coming!

[@biju2848]

Great way of simplifying and explaining the concepts. Great work! Will recommend this channel to every software engineers

[@_cocoalabs]

Fantastic, clear, and concise explanation!

[@anastasianaumko923]

Thank you so much! Very elaborate explanation. Great work!😌

[@dishantchauhan4775]

Content is so awesome and well explained, that every new video release sticks to the mind until you watch it. Please keep up the great content delivery.🙌

[@gui1221000]

That's the kind of quality content that I was looking for!

[@godsaab1]

One of the best videos on this topic

[@joanagomes635]

This video was extremely helpful! I have an exam next week on distributed systems and consistent hashing will be on it. With this video, I feel like I will ace this part of the exam! Thank you!!

[@1shadyholic]

this channel is a game changer. I love it!!!

[@amithreat]

simplest explanation I found to date...gr8 work!!

[@Akahatoo]

Just found out your channel, it's incredible how you easily teach with graphical assistance. It helps a lot bringing down complex topics, awesome videos!

[@priyankverma7434]

Very well explained and easy to understand. You made this concept so easy to understand that anyone can implement this. Thanks for the good video.

[@SHUBHAMKUMAR-ij7cx]

Thanks @ByteByteGo team, for explaining an important concept like Consistent Hashing in such an easy manner.

[@uppner147]

Love this channel! Perfectly explained, relevant and beatiful.

[@agatapysz1628]

I really like the way you explain different topics in your videos. The images and animations are very helpfull to visualise and understand the concepts. Waiting for new ones!:)

[@kaidollarsense]

Very concise video in explaining the concept. Keep it coming, you've earned yourself a new sub!

[@RahulPuls]

Awesome content like always. Again please share the tools you use for creating such cool animations. I'm a BIG fan!!

[@ByteByteGo]

Thanks. Illustrator and After Effects

[@zahidulislam2068]

Your channel is a must watch

[@funnyclipz520]

this video is truly golden... keep em coming...

[@sanjarcode]

Amazing video, especially the uneven sizes and virtual nodes part.

[@donaldcheung3193]

This explanation is simple and clear! Amazing!

[@wilfredv1930]

I just recently subscribed to your newsletter, and this channel is also awesome.

[@abhisheksitar]

Brilliant way to teach such a concept! Thanks to you!

[@theyayaa]

I just read this topic in the first book volume. Great explanation, thank you!

[@zdravkochorlev8540]

The videos are perfect - short and well explained.

[@Galakyllz]

This was great and to the point. The only confusion that I had was about how the ring was constructed, but I figured that it must be the possible hash values. A quick example of "server 1's hash is 1234, so it goes here on the ring. The other server hashes place them at points in the ring in exactly the same way" would have been more clear. Thanks for the video!

[@mahdidi96]

Best explanation out there and new fan, thanks!

[@andriidanylov9453]

Cool, thanks. I have read Your first book and now thinking about buying volume 2.

[@igorkudryk2199]

Which tools are you using to create such a cool amimation?

[@ManojKrVerma-vw4dx]

The video I was waiting for .. will see on Saturday evening... Currently busy in thesis ppt preparation ... I like yours video without watching... ThankYou sir...

[@gigakoresh]

Amazing content, I am gonna recommend these books be bought by the company and put to premises where people can read them to understand these concepts. I have a suggestion for a video btw: can you explain CPU metrics and throttling on container systems? There is lots of misunderstanding especially with Kubernetes resources like "millicores" about what it actually means and how the usage is calculated and when throttling is performed on Kubernetes nodes and how. Also what are the implications of these metrics and quotas on CPUs with many cores and the difference between nodes running on hypervisor vs bare metal. It's a hole can of worms of course, but I think just starting with the quotas and throttling would already clear things up a lot.

[@karwanautiyaal1202]

Loving this series, Database Sharding and Database Indexing.

[@JohnnyRotten-uf6xw]

Why th are all of your videos so good? Omg

[@karlnikolasalcala8208]

The use of virtual nodes is so smart

[@sureshiva4605]

All the video is good...the part where hash table should be considered as ring is little not well...just a few seconds part ...others channel got it easy....but virtual servers part is awesomely explained...better than other channels and neat...thank you

[@ozzyfromspace]

Wow, this presentation on consistent hashing was absolutely beautiful 🏆💯❤. Even though you didn't' write any code, the principle was so clear that most people could probably implement such an algorithm. Bravissimo!

[@liftingisfun2350]

Incredible visuals and fantastic information

[@MrBidi1992]

Another amazing video ! Thank you so much 👍

[@programming6881]

Simple and excellent explanation. Thanks.

[@Zmey5656]

Thank you, very simple and understandable explanation for me.

[@ReflectionOcean]

The core problem that consistent hashing trying to solve in the presence of frequent node addition and removal are: 1. even data distribution 2. minimum data movements 2 insights: 1. Distribute data to nodes on the hash ring rather than use modular function to minimize data movements because of changes of cluster memberships 2. Use virtual nodes to improve data distribution

[@NikolaJanevski]

Love the video and the animation. Keep them coming.

[@praveenX]

Awesome video 👏loved the animation and explanation. A side question: Animation on your channel is just awesome, which tool you are using?

[@matthewfala]

Beautiful graphics! Love the explanation

[@AmitKumar_kumanoit]

Awesome video. Love the way you explain concepts in so simple manner using such a nice animation. Which tool do you use to create animations?

[@ByteByteGo]

We have some talented editors for illustration and animation, with the help of tools like Adobe After Effects, Adobe Illustrator.

[@mooseyard]

This isn’t just used in servers. Many peer-to-peer networks, like Kademlia, use a similar “hash ring” to determine which peers should hold which keys/values. They usually put in quite a bit of redundancy, spreading data among multiple “nearby” peers, since peers come and go so frequently.

[@javisartdesign]

Very graphical and simple explanation! thanks

[@clapathy]

Super nice presentation, thank you!

[@gautam4934]

Brilliantly explained!

[@vigneshu5119]

Great Videos !! Can you create a video on multitenant design

[@HikeWithUsMagarFamily]

good good, thanks for the content, precise, clear. liked the way you connect with real world products as well

[@MrEW1985]

I learned something new. Thank you very much.

[@Nicolas-jx3oo]

Impressively clear and concise, good job!

[@hiteshklalwani]

I love your explanation, it is very clear and core concepts covered in so less time and words :)

[@TheNilesh00]

Awesome content as always. I'm a paid blog subscriber as well as have the annual pass for the System design course. I'm amazed by all the graphics used in this video. Is there a particular tool you use that you can share for our own presentations?

[@delta3979]

Such an interesting and important algorithm that I didn't even knew I needed.

[@hichamboudounit4813]

thank you for this amazing explanation

[@VinodKumar-wh1mq]

Animations are awesome :) please keep the good contents coming!

[@duyphan1452]

Visualization helps me understand it easily.