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Google Cloud - Instance Group & Load Balancer with autohealing and autoscaling

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In this video I want to show you how you can create an Instance Group, set up some health check(s) to enable auto healing and auto scaling.
To test the functionality I will:
1. Create an Instance Template with some basic http webpage
2. Create an (managed) Instance Group with default 2 nodes, maximum 4 nodes
3. Set up the front-end interface with HTTP Load Balancer
4. Test tge autohealing by killing http server on one of the instances, and see what happens
5. Put extra load on CPU on my webservers to see if the instance group will autoscale.
Enjoy the video, and if you have any questions or comments please feel free to post them in the comment section.

Опубликовано:

27 авг 2024

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Комментарии : 19

@rakeshraneyt 3 года назад

Great tutorial covering all details and explained nicely. Best part is, in just 15 mins covered all important steps.

@ishubhati1 4 года назад

Superb explanation feeling much more confidant about instance group, load balancer and autoscaling great stuff thank you so much.

@valikonen Год назад

I will save this one into my cloud playlist, thanks!

@aloyola39 2 года назад

Excellent video. Thanks for sharing.

@jesusperez7545 3 года назад

Hi, you literally saved my ass! thank you, greetings from Mexico!

@ksambaiah1 2 года назад

Good one, thank you for sharing.

@anandakumarsanthinathan4740 3 года назад

Very useful with practical examples. So clear now. Thank you. Just a question. When we increased the CPU load on the servers, the number of instances scaled up from 2 to 4. After sometime, you stopped the load on the servers. Will the number of instances scale down from 4 to 2? We didn't see it and that's why I am asking this question. Thanks again.

@Arthur-nh5wd Год назад

Wish you had added the startup scrip to the comments

@PPFigueiredo 3 года назад

Great tutorial

@scammerscrimesecurityroman8294 3 года назад

Can u pls add the instruction video on security for the group instance ? Thks!

@mayurnarkhede8839 2 года назад

But when you create instance group through cloud console/gshell, what is default for autoscaling?

@ekalash 2 года назад

thank you!

@selcukesk1 2 года назад

Thanks

@imashkemila7921 4 года назад

Can we create instance group with existing vms

@storagefreak 4 года назад

Hi, yes - that's possible. Easiest way is to create unmanaged instance group. You can read about it more here: cloud.google.com/compute/docs/instance-groups If you want to have a managed instance group (with functionality autoscale/autoheal etc..) I'm affraid you would first have to 'create a template' that meets the requirements you've got. More about templates: cloud.google.com/compute/docs/instance-templates

@natureatbest3850 2 года назад

I am getting 404 error while accessing load balancer backend service. Please help.

@jorgeconde6514 4 года назад

Hi! Excelente work here! Can i ask u for a script to install a Wordpress on that template? I need to test a wordpress load balacing to a school work

@storagefreak 4 года назад

Thank Jorge. That might be a bit tricky, since Wordpress uses both 'filesystem' backend storage (for html files, templates, config files etc..) and database (for example mysql). That being said, if you want to test load balancing for wordpress you would probably need to consider how to 'sync' data across your wordpress instances. What might be a bit easier is to try run it on Kubernetes environment, stick to single physical worker node and scale the deployment I've released a video of how to deploy wordpress in Kubernetes: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-QbKOi-qvhNU.html For scaling stateful application on K8s you can also check out this video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Gl3y8b37Dtg.html Hope that helps.