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Introduction to Load Balancing

A concert ticket website runs on three servers. When tickets go on sale, thousands of fans arrive in the same minute. But every request goes to the first server because that is the only address the website gives out.

The first server slows down, then crashes. The other two servers sit almost unused the whole time.

The website had enough servers. What it lacked was a way to spread the work across them. This lesson explains the part that does that job, how it works, and where it belongs in a system.

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narasimhakamath

· 6 months ago

We began with Load Balancer, however without the context of vertical scaling, this concept can suddenly become a black box. Would suggest to have some pre-requisite knowledge in the introduction so that people know what homework to do before we dive in.

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Madhavan Murugan

Madhavan Murugan

· 8 months ago

Coud someone explain what is stateful and stateless?

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rasserei

rasserei

· 3 years ago

It mentions SSL/TLS in the key concepts section but doesn't explain what the acronyms mean.

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Bharatram Muralidharan

Bharatram Muralidharan

· 3 years ago

Are load balancers 2-way ? If so how are they set up to handle incoming requests and outgoing responses or are there multiple 1-way balancers for each?

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amantrehan06

· 3 years ago

Hi, I am curious to understand that the entry level webserver/load balancer that accepts traffic from all over the globe handles soo many request on a given port ? I understand we can vertically scale it or horizontally. Even if we horizontally scale it there has to be some sever that accepts clients connections and distributes that request to the underline services.

Thus whichever software/hardware is sitting at the front gate handles Millions of requests on a SINGLE port ?

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anshul0083

· 3 years ago

I am wondering why do we need the Load Balancer separately and in many configurations API gateway is also doing the Load balancing, so what's the reason and the good practice to follow?'

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Ranuj Mahajan

· 3 years ago

can load balancer do service discovery in distributed environment ?

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