Amazon AURORA Explained | How does Aurora work? Visual Explanation

Welcome back to the Road to AWS series, and in today's episode of the road to AWS, we will take a deep dive into AWS RDS AURORA.
So the first thing that you need to understand about Amazon Aurora is that its a MySQL and PostgreSQL-compatible relational database built for the cloud.
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The current exam which is SAA-C01 is going to be obsolete post, March 22 this year 2020. By obsolete it doesn't mean your certification won't have any value, it will still hold for 2 years, but there will be a new pattern for the exam after March 22 of 2020, So if you wish to give your exams before that, you still have a lot of time. Don't worry we will cover the differences in the lessons to come. So, if you haven't subscribed already please do it right now.
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So let's begin.
Timeline for your convenience:
01:02 - AWS AURORA RDS - Introduction
02:48 - Benefits of using Aurora database
05:52 - Aurora RDS How does read replication work and how high availability works?
08:55 - Aurora cluster architecture explained.
10:40 - Aurora Serverless
13:38 - Aurora Global Database
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Hashtags:
#AWSSolutionsArchitectAssociate2020 #Aurora #SAAC02

[@Pythoholic]

Timeline for your convenience: 01:02 - AWS AURORA RDS - Introduction 02:48 - Benefits of using Aurora database 05:52 - Aurora RDS How does read replication work and how high availability works? 08:55 - Aurora cluster architecture explained. 10:40 - Aurora Serverless 13:38 - Aurora Global Database Click on the link below to subscribe : URL: tinyurl.com/qqebnwz

[@mylesjamir4232]

I realize it is quite off topic but does anyone know of a good place to stream new series online ?

[@ezequieldavis6743]

@Myles Jamir flixportal =)

[@mylesjamir4232]

@Ezequiel Davis Thanks, I went there and it seems like they got a lot of movies there :) Appreciate it!!

[@ezequieldavis6743]

@Myles Jamir You are welcome =)

[@RK-bw8tu]

Excellent ! Thank you.

[@niteshsrivastava6504]

And the 15 replicas are created automatically or through auto scaling kinda step autoscaling? I can see a create read replica button also.

[@devendranabar6871]

Storage is stripped across multiple volumes? 6 copies in 3 AZ needs to be understand, but what is it like have so many copies after that? Is it Read Replicas? Kindly explain.

[@dheerajsharma1036]

Nicely explained 👍

[@shahidhaider5857]

Awesome sir..

[@vinodkumar-cs4xi]

Very helpful 👌

[@niteshsrivastava6504]

For cross region disater mgmt, we can use cross region replica and promote that as primary in other region? Is the global table is replacement of cross region replica? Thanks for your efforts.

[@Pythoholic]

Sure, i will get back to you, I will collect all the doubts and make a video.

[@srb1855]

Excellent 👌

[@rohitpandey8238]

nicely explained

[@ranjeethnadella643]

Does 15 low-latency read replicas mean the 15 replicas are created established in closer (AZ's) to the primary DB instance?

[@Pythoholic]

Up to 15 Aurora Replicas can be distributed across the Availability Zones that a DB cluster spans within an AWS Region. it's like having the primary along with the same replications across the AZ in the region.

[@ranjeethnadella643]

Is the number of replicas automated or by default. Do AWS charges for number of replicas that we maintain?

[@Pythoholic]

As far i have read and used i have basically created them so that incase of a failure it uses the data from the replication. And thats what the documentation tells us is to create the replicas.

[@ranjeethnadella643]

@@Pythoholic I see, I thought replicas are created automatically. Thanks for clarifying

[@engr707]

ur lectures are awesome, can you tell which software you use to create your slides and graphic and are you using any libs ?, if possible so share the link it will be highly appreciated.

[@Pythoholic]

It's just ppt . Thanks a lot

[@SohailKhan-mk3zb]

around 8:45 , you said it need 4 copies out of 6 to read and 3 copies to write. So what it mean ?

[@Pythoholic]

I think i mentioned 4 copies out of 6 to write the read replica you need 3 copies out of 6 to read. its basically the copies of data it needs to read, its like affirmation that if it gets 3 copies out of 6 , it will complete the read operation

[@samarthgupta8782]

could you please explain 06:44 to 07:50?

[@boxitupsam792]

RDS is a database provisioning service, Database engine is the actual database u use like postgres mysql. We need 6 copies of data 1 will be master 5 others will be replicas (total 6) And that should be spread across 3 az We actually use the master to write and it replicates it across other nodes

[@ayansaif6754]

what is readers endpoint?

[@chanksgaming9802]

To connect through only read the databases you dont have permission to write the data

[@devendranabar6871]

What exactly is Read Replica?

[@Pythoholic]

Amazon RDS Read Replicas enable you to create one or more read-only copies of your database instance within the same AWS Region or in a different AWS Region

[@gouravchoubey860]

@@Pythoholic Are these read replicas remains in Sync with master data?or is there any delay ?

[@hades5509]

@@gouravchoubey860 async

[@nishitkumar7650]

Sir aws aurora practical lab please

[@Pythoholic]

kzbin.info/www/bejne/a4e5imyFaLl2asU This one is for RDS please check it

[@barnalibiswas3186]

Can you explain 7:38 to 7:45

[@Pythoholic]

What it means is that aurora keeps 6 copies of your data across 3 availability zone. if you see the diagram here on the time 7:38 you can see the color code denoting the number of copies if the data. there are 2 copies each in each az

[@barnalibiswas3186]

@@Pythoholic As you have said it needs 4 copies out of 6 to write and 3 copies out of 6 to read, how do we decide that values

[@Pythoholic]

you dont have to it will be managed automatically

[@barnalibiswas3186]

@@Pythoholic got it thank u so much I am going through your course and it's amazing

[@Pythoholic]

hey no worries… btw are you from VSV?

[@yusufnar]

Is this the AWS marketing 😂😂

[@yusufnar]

All you said about performance is a big lie.

[@Pythoholic]

Thanks for the feedback Yusuf. I will update it as per ur feedback