Tech learning roadmaps…

[dasari4kntr]

 

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[dasari4kntr]

What is the famous 𝗖𝗔𝗣 𝗧𝗵𝗲𝗼𝗿𝗲𝗺 and what should you know about it as a Data Engineer?
 
As a modern Data Engineer you are most likely to work in the Cloud utilizing all kinds of Distributed technologies and Databases. Understanding CAP theorem will help you choose a Database that is fit for your application use case.
 
Let’s take a closer look.
 
First, let’s define what we mean by distributed:
 
➡️ A Cluster is involved.
➡️ Cluster is composed of multiple Nodes that communicate with each other through the Network.
➡️ Multiple Nodes could be deployed on a single Server but in most production setups you will see a Node per Server.
➡️ Data is distributed between multiple Nodes.
 
Now, let’s define what CAP stands for:
 
➡️ 𝗖𝗼𝗻𝘀𝗶𝘀𝘁𝗲𝗻𝗰𝘆 - All Nodes in the cluster should see the same data. If we perform a read operation it should return data of the last write regardless of which node we are on.
➡️ 𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆 - The Distributed System remains operational all of the time regardless of the state of individual nodes. The system continues to operate even with multiple nodes down.
➡️ 𝗣𝗮𝗿𝘁𝗶𝘁𝗶𝗼𝗻-𝗧𝗼𝗹𝗲𝗿𝗮𝗻𝗰𝗲 - If a Network Partition occurs (communication between some nodes in the cluster breaks) the Distributed System does not fail even if some messages are dropped or delayed.
 
The 𝗖𝗔𝗣 𝗧𝗵𝗲𝗼𝗿𝗲𝗺 states that you can only have a combination of two in the distributed system so your system is one of three:
 
👉 CA - Consistent and Available.
👉 AP - Available and Partition-Tolerant.
👉 CP - Consistent and Partition-Tolerant.
 
❗️ In real world you will not find many CA Systems as Network Partitions are common in Distributed Databases so they must be Partition-Tolerant. This means that we are usually balancing between AP and CP Systems.
 
Different databases are designed with different CAP guarantees. For example:
 
👉 MongoDB is a CP Database.
👉 Cassandra is a AP Database.
 
✅ Having said this, you can also configure consistency on application level in Cassandra but more on that in the future posts. 𝗦𝗼 𝘀𝘁𝗮𝘆 𝘁𝘂𝗻𝗲𝗱 𝗶𝗻.

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[Dreamspark]

Working in peoplesoft from 14 years and this technology became saturated with not many new implementations. Could anyone suggest technologies i can learn and switch my career?

[MiryalgudaMaruthiRao]

On 5/30/2023 at 2:19 PM, dasari4kntr said:

 

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[Spartan]

https://www.cloudskillsboost.google/paths/118

[dasari4kntr]

 

[enigmatic]

@dasari4kntr

any links/videos/courses to learn chatgpt or others to generate code, summarize docs, pdf's , convert from python to node etc. 

TIA 

[dasari4kntr]

8 minutes ago, enigmatic said:

@dasari4kntr

any links/videos/courses to learn chatgpt or others to generate code, summarize docs, pdf's , convert from python to node etc. 

TIA 

discussed in this same thread bro..

check the below one…

 

[MiryalgudaMaruthiRao]

6 minutes ago, dasari4kntr said:

discussed in this same thread bro..

check the below one…

 

which page uncle?

[dasari4kntr]

16 minutes ago, MiryalgudaMaruthiRao said:

which page uncle?

23..

[dasari4kntr]