How does Amazon Elasticache work ? Lazy Loading | Write Through | TTL | Simplified

Hello Everyone, and welcome back to another episode of AWS series,
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I hope all of you are safe and healthy and its a very tough time for all of us and I can understand how frustrating it can be to stay inside and deal with the situation which is Coronavirus. So it's a request that please take good care of yourself stay at home stay safe.
TH-cam is awesome and youtube is free, stay at home, enjoy relax and you can learn something new every day under isolation as well.
So finally after 50 days, we have completed a milestone in our journey in getting certified and I am very happy to share with you that I got my AWS solutions architect associate certification completed.
So if you want to know how I did it? and How you can as well?
I will upload my experience video soon, so do watch out for that.
I gave my exam on 15th March 2020, for SAA-C01, and I am sure you would want to watch it so please make u have subscribed to the channel.
Amazon ElastiCache is an in-memory key-value store that sits between your application and the data store (database) that it accesses.
Whenever your application requests data, it first makes the request to the ElastiCache cache.
If the data exists in the cache and is current, ElastiCache returns the data to your application.
If the data doesn't exist in the cache or has expired, your application requests the data from your data store or the database we have our RDS database.
Your datastore then returns the data to your application. Your application next writes the data received from the store to the cache.
This way, it can be more quickly retrieved the next time it's requested.
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Timelines for convenience:
01:25 -- What is AWS Elasticache?
05:19 -- Cache Hit vs Cache Miss?
08:24 -- AWS Elasticache User session datastore
13:56 -- What is Lazy Loading | Write Through | TTL
#Elasticache #AWSSolutionsArchitectAssociate2020 #Caching

[@ayushkapil2311]

Thanks a lot for the detailed video, your efforts are clearly visible. I really hope your content reaches a larger audience

[@Pythoholic]

Thanks for the support ayush

[@Pythoholic]

Timelines for convenience:
01:25 -- What is AWS Elasticache?
05:19 -- Cache Hit vs Cache Miss?
08:24 -- AWS Elasticache User session datastore
13:56 -- What is Lazy Loading | Write Through | TTL

[@Mac-ew1gv]

Congrats for doing you certification!!!!! Yes, i know I'm late

[@dianeconrardy829]

Great information. Thank you.

[@jeffryjohn2508]

Thanks for this tutorial 🙏🙏

[@sadiakhan8770]

Thanks. very informative.

[@somnath_das]

Very nice video and well explained..

[@ShraboniDey]

Thanks for beautifully presenting and explaining the concepts!! Really helpful. Keep it up :)

[@Pythoholic]

Thanks for the support.

[@ShraboniDey]

@@Pythoholic you're welcome

[@shamsunnabitaqib6180]

Hello sir, i really enjoying ur tuitorial & those content are great. I have a query regarding on elasticache & rds proxy!! So as per my understanding rds proxy & elasticache both used for faster retrieving data from database. So does we have to use both of this service for database or just any of them is good enough for?

[@prudhvisaigariga6930]

Hi, this video looks good and sounds good but need more basic explanation and try to use more examples so that it will make understand some people like me... It's my suggestion... Very much appreciated 👍👍

[@Pythoholic]

Thanks for the suggestions. I will surely make this a point.

[@logeshwarrs6881]

Video with nice explanation. But will you explain how to connect Elasticache with RDS ???

[@Pythoholic]

If u can site a use case I can surely help with that.

[@mikesperience]

Hello Pythoholic.....i have one question ... by having an application running on instances, providing a db, elasticache, monitoring etc are we on platform as a service level or Infrastructure as a service level.... can you mention if application management on EC2 instances is PAAS or still IAAS ?

[@Pythoholic]

That fall under both Infrastructure as a Service (IaaS) and Platform as a Service (PaaS) categories.
EC2 instances, where your application is running, are an IaaS offering. IaaS provides virtualized computing resources over the internet, allowing you to configure and manage the infrastructure at the virtual machine level.
However, services like a managed database (e.g., RDS or DynamoDB), Elasticache, and monitoring tools can be considered PaaS offerings. PaaS provides a platform for developers to deploy and manage applications without worrying about underlying infrastructure, as the platform takes care of it.

[@mikesperience]

@@Pythoholic yeah i want to make sure coz there is an impression that AWS is only IAAS unlike azure , but common sense tells me it obv providing PAAS.. tq for clearing the confusion

[@dameshbillava9152]

It was good.. Keep it up.. do share ur .. Twitter or fb I'd.. In case of any doubts.. Thank you

[@hemantpharande2567]

Hello, can you please use curser or pen to show where topic is moving, as a viewer we are not able to catch where video currently pointing out.
BTW your presentation slides are unique and best.

[@Pythoholic]

thanks a lot hemant and surely i will add that to my new videos