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Tag: cloud

AWS Zonal Shift

Zonal Shift is a free service from AWS, which allows users to disable an Availability Zone (AZ) for resources. In this post, we will walk through what it does and observe the results.

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Upgrade AWS RDS instance using blue/green deployment

Objectives:Use blue/green deployment to update an RDS instance from 8.0 to 8.4Check replication statusSwitch to staging (green) instance keeping DB endpointFall back if application cannot work with 8.4

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AMD EPYC on cloud

The new AMD-based instance types are made available in Nov 2018. It’s damn impressive. Here is a quick benchmark using openssl. The first is from EPYC, second from ARM, third from Intel.

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Resize root disk on Azure VM

Azure hard-codes disk size and it cannot be changed during deployment. Resizing root disk on Azure is often a required task. Here is how a root disk can be resized. I learned this the hard way.

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Why not Azure

I recently attended a 4-day training on Microsoft’s cloud platform. Quickly I learned why it should not be used if you’re serious about your business.

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VULTR: First impression

I’s in search for a cheaper cloud service and VULTR is definitely one of them. My first impression isn’t so great as it took more than 20min to provision a CentOS 7 instance. I’m starting to doubt if the instance will ever come up, or they have really really slow SSD, or their provisioning module…

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cloud cloud cloud.

So I’ve decided to give Microsoft Azure a try. Coming from AWS, it really is difficult to expect another cloud that can be comparative. I’m just going to say that up front.

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