Caching | Cache Patterns | Cache Invalidation & Eviction | System Design Tutorials | Part 9 | 2020

This is the eighth video in the series of System Design Primer Course. We talk about one more important component of System Design: Caching. We want software engineers and aspiring software engineers to develop basics and get ready for the world of interviews as well as excelling as a Software Engineer.
Useful Links:
aws.amazon.com/caching/
www.cloudflare.com/learning/c...
dzone.com/articles/introducin...
dzone.com/articles/where-is-m...
dzone.com/articles/caching-be...
dzone.com/articles/process-ca...
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Our full courses on youtube:
✒ System Design Primer Course: • System Design Primer C...
✒ REST APIs made easy: • REST APIs MADE EASY
Some paid courses that we recommend:
✒Educative.io: bit.ly/3qnW5ku
✒Interviewready.io: get.interviewready.io/ (Use coupon code SUDOCODE for extra discount)
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About Us
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Created and Instructed by:
Yogita Sharma
✒ LinkedIn - / yogita-sharma-83400b55
✒ Instagram - / sudo.code1
✒ Facebook - / sudo.code
✒ Medium - / yogita088
Post-production(editing, thumbnail etc) managed by:
CiKi
✒ Website: www.ciki.co.in
✒ LinkedIn: / 74735937
Colors and design by:
Naini Todi
✒ LinkedIn - / nainitodi
Both Arpit and Yogita are software engineers and want to help other software engineers become better by providing high quality and well researched content by adding their creativity and teaching twist.
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Timestamps:
0:00 - Intro
0:36 - Introducing myself
0:56 - Why sudoCode ?
2:08 - What is cache ?
3:08 - Examples of cache
5:28 - Invalidation & eviction
13:35 - Cache patterns
20:41 - Cache patterns - Summary
22:00 - Where do I keep my cache ?

[@ani68]

Most in depth explanation of cache I found on RUclips !!!

[@NileshKumar-fz9ok]

This series is a goldmine for beginners 🔥

[@panchanansahoo1463]

This was one gem of a video. Loved all your videos so far . Thanks

[@sushmitagoswami7320]

The way you have represented the summary is really exceptional

[@tomasgarciapineiro1491]

This is the explanation I was looking for. Thank you so much for sharing!

[@swapnilsaxena81]

This was a great video. Concise yet comprehensive.

[@aditya53746]

In addition to explaining patterns, pros/cons and application based on read/write load is covered. which is great.

[@anilta6648]

Especially i liked the last part where you summarized, this would work as a slide for revision before interviews. Thank you very much for your effort and helping students.

[@faizm4765]

Such a great detailed video! Thanks a ton!

[@ajaykhetan1625]

Few days ago I was going though multiple vlogs and videos to understand details on cache. Some videos use to be very long. Your single video covered all of them in very simple and concise way. The quality of your content is really good. Good for brushing of the skills in less time.

[@stavrosladeas4421]

I'm really enjoying your videos and am finding them super helpful. I look forward to seeing more of them. Please keep them coming!

[@sudocode]

More to come!

[@MrKB_SSJ2]

These videos are too helpful to me. Thank you!

[@sujeeshkumarv4336]

I must say you are doing a really really great job mam please continue uploading more like this

[@arkoprovamadhu4544]

Great video and very good clear explanation. The summary part is the best of all. Very well taught.

[@suneethar6329]

Thanks for teaching us🙂there are many who are charging heavy for the same and you are teaching for free👏👏

[@sharadyadav7480]

Hi Yogita,
Really appreciate all the effort that you have put in. Great work.
Your resources have been of immense help

[@arpitvashistha8532]

Each video is greater than the previous one, keep going this amazing work ! I'm waiting your videos every week.

[@sudocode]

Wow, thanks!

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i really apppreciate the hard work you do to teach us miss ...

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Keep up the great work you are kicking ass!!

[@MrMPRMP]

Simple, Crisp and clear...

[@busrauman7320]

Hi, Thank you for you super clear explanation. Such a great source for us.

[@saiashok28]

So true, once get a job also we end up doing monotonous coding work after listening here I get tech chatting and that makes me feel like a professional now. Thanks Yogita!

[@onemoreadi]

Each video gets better and more informative. Helps me everytime!

[@sudocode]

It's great to know this Aditya. Happy learning 😀

[@KwizzyDaAwesome]

Thank you for all this. I actually have a degree that's more hardware heavy than most computer science degrees, but all the jobs in my area are software, so even after 5 years of full stack development work I find I need the right vocabulary to understand the big picture stuff.

[@gameplayer1980]

Very nice summary chart at the end!

[@sonalimishra3258]

Too good explanation, it's very crystal and clear. Each video is better and better than the other. '
Will look forward for more such knowledgeable videos. Hats off!

[@tianbingleng1835]

The summary chart is really helpful, thanks!

[@shivangitomar5557]

Your channel has quality content and amazing delivery! It was great knowing about you, I would like to know more about your part-time masters degree at Georgia Tech :)

[@adwatt357]

Loved your explanation style !! Best explanation on caching and it's patterns.

[@sivaveeramallu3645]

Your content is truly awesome

[@ConradAkunga]

This is an EXCELLENT video

[@mukundapeddamekala616]

Excellent content, very useful, enjoying a lot and watching again and again. Thank a lot Yogita for amazing course.

[@ibrahimkp4300]

very simple and covered everything. excellent content

[@dewanshnigam8129]

Amazing Videos Ma'am. Thank you for such wonderful content.

[@apurvapat3524]

The first example of multiplication was really apt, which convinced me why caching is needed, otherwise i was really not understanding why cache is used, thank you for this content, really a nice explanation

[@mohammadravand4351]

thank you very mutch this is perfect, and your teaching is very good.

[@minademian]

Excellent video. Thank you!

[@tomarshabh2199]

Thanks yogita for sharing valuable knowledge to community...

[@agbagb590]

This is extremely helpful. Thank you for this

[@AyushKumar-fk5lm]

Understood caching detail! Thanks!!

[@imranshaikh115]

Just Awesome, Keep it up good work Thanks a lot

[@vedanshsharma3814]

Great explanation. Thank you so much 😊

[@paritoshpandey7998]

back in 2018 caching was taught to me in college, they took 8 classes to teach what she has explained in 22 mins. Thanks very much Yogita,ur teaching is awsome.

[@priyanka.sarkar]

Amazingly explained and simplified. Thanks a lot :)

[@sudocode]

Thanks Priyanka 🤟

[@dalskiBo]

Thanks Yogita, brilliant info, great explanation of caching

[@SohilLadhani]

Your editor (Arpit) is very skilled. Great content as always. Thanks!

[@sudocode]

Thanks Sohil. I will convey this to him 🤟😅

[@ajinkya-wasnik]

Hi Yogita, thanks for such great videos.

[@sivan2878]

Thanks a lot for your videos

[@jeltexx]

Me encantan tus videos, es algo que es muy necesario para nosotros los desarrolladores, ya que nos ayuda a ver como podemos solucionar un problema.

[@sudocode]

Muchas Gracias 🙏

[@konstantin6524]

I really appreciate your work, just keep going!

[@sudocode]

Thank you so much for kind words.

[@vcfirefox]

thank you for this!

[@Abu_Muslim_Aladawy]

fantastic channel , keep going 🥰

[@DSMA98]

Superb content!

[@sagarpatil-js1fy]

great detail mam. thank you so much

[@dhananajaykrishna8259]

This is the best channel with crisp, to the point, no BS tutorials on system design.

[@bharadwajpoduri3349]

Wow i was just amazed with how you have explained entire cache concept in just 22 min. You covered different patterns and their advantages/disadvantages and when to use what ... great work thanks a lot !!

[@sudocode]

Thanks a lot. Glad that this helped 🙏

[@amtstamer1405]

Thank you for all. I like a lot the content of the channel, since it is no many other channels dedicated to software systems. I would like to hear from you more about software architecture patterns applied to real examples

[@sudocode]

Thanks Amts. Yes these are in the pipeline

[@barbaracalderon4106]

You and Corey Schafer are my favorite tech instructors on RUclips. Legendaries! Keep up the excellent work.

[@webtech007]

mam aap bhot accha se describe karta ho topics ko

[@YouMustKnow987]

Thanks for the video, it helped me a lot. Watching from Mozambique, Africa.

[@sudocode]

Glad that it helped.

[@Rahul0508-n9m]

Amazing content, it seems you've really worked hard on creating these video :)
again Thank you, honestly its amazing to watch your videos.

[@sudocode]

Thanks for the appreciation Tarun 😇

[@ashwin123123]

The cache patterns summary of this video deserves a huge recognition !

[@geoffreyhibon2651]

Excellent job. Happy to joined you channel :)

[@bhawnasharma2423]

such a beautiful representation , kudos 👏 👏

[@sudocode]

Thank you 🙌

[@vikrantsinghrajput7298]

Very Informative Video, Thanks Yogita! :)

[@stormShadow64]

You are so great... I really like your videos, greetings from Poland!

[@sudocode]

Thank you very much Marcin. Greetings from Dubai :)

[@manishamulchandani1500]

Great one. Appreciate your efforts to make things simpler

[@sudocode]

Thanks a lot Manisha

[@akshaypardeshi4895]

Great content! It would be great if you can mention the cache tools/vendors as well for various types.

[@Study-cm6hk]

Great content

[@parijatbandyopadhyay8057]

I was going through many Udemy and other online courses paid courses but at last found this gem. Thanks a ton for creating such a lucid and power packed series on such a subject where as you said really good content are scarce. Awesome work.

[@sudocode]

Thanks a lot. Comments like these, makes me more excited to work towards creating such videos. All the best for your learnings and career.

[@Vegeta007]

Thank you!!

[@sonalitribhuvan3409]

Very well explained..

[@VivekYadav-vk2lh]

you are doing a great job, keep going....thanks very much

[@sudocode]

So nice of you

[@Rohitkumar-hu1qs]

Awesome work. Hats off to you and your team 👏

[@sudocode]

Thanks a ton

[@Alex-bc3xe]

You re really good.

[@thedeltaneutral8431]

Unfortunately I am able to find this gem series out in 2022. Now concepts are very transparent and clear. I now feel myself fit for diving deep.

[@sudocode]

Thanks. And all the best

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Wow, your videos are really awesome.. you have really explained such complex/difficult topics in so understandable language.. Thank you so much and keep up the great work

[@sudocode]

Thanks a lot Saurabh :)

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It is amazing how you are relating to real time !!!
Can you make a video on how to learn a technical topic ? ❤️

[@teetanrobotics5363]

Amazing Explanations, animations and concepts.

[@sudocode]

Glad you liked it!

[@Mohamed-uf5jh]

Very intersting thanks

[@NehaSinghV]

You videos are really very good and the analogies you give are so helpful

[@sudocode]

Thanks Neha 😊

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Don't ask what you didn't like, everything is superb :)
just ask what u liked the most. :P
Thanks for all your efforts.

[@venkatraohyd]

Yes your videos are informative and useful. Can you please emphasize what to be used when with scenarios. Thanks much for consideration.❤

[@shailjakantupadhyay5183]

Extremely well Explained. Thanks a lot mam.

[@sudocode]

Thanks Shailjakant 😀

[@SachinKumar-qv8fj]

great course on system design

[@sudocode]

Thanks Sachin :)

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Thank you

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Thank you so much

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Love you.

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I subscribed ur channel..
Please post such good content in future also.

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Thanks, will do!

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Today One more subscriber added to your channel. Thank you for the KT. 😇

[@harlxxx]

Great

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great Explanation keep it up.

[@sudocode]

thanks Shaival!

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Thank you :)

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Thank you. Subscribed

[@sudocode]

Welcome!

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For me its like Kuber ka Khajana !!!💰🤑💸 Thank you so much 🙏

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hi , your teaching style is great , I saw few of them . Can you please upload more video of System design .

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Your videos are very informative. Please keep posting videos on system design topics...

[@sudocode]

Thanks Sajjan. Sure. Keep connected 👍🤟