Articles by Evgeny Goldin

AWS Route 53 Best Practices

AWS Route 53 Best Practices

After covering AWS's IAM, EC2, EBS, S3 and Blue/Green Deployments we now turn our attention to AWS's Route 53 service. Since it's a DNS service - it plays one of the most critical roles, if not the most critical - connecting us all together on the Internet. Take out DNS and the Internet will grind to a halt within mere hours if not immediately.

But Route 53 does way more that providing a DNS service for registration of your A, NS or MX records. This service goes to great lengths to provide many tools necessary for keeping your application highly available …


AWS S3 Performance Tuning

AWS S3 Performance Tuning

Previous posts covered AWS IAM Best Practices, AWS EC2 Performance Tuning and AWS EBS Best Practices and Performance Tuning.

This time we're going to talk about one of the most essential (and earliest!) AWS services - Simple Storage Service or S3. How does one go about optimizing performance of one's S3 buckets? Is it infinitely scalable out of the box?

Let's find out by watching "Maximizing Amazon S3 Performance" AWS re:Invent 2014 session by Felipe Garcia. As it turns out, not everything about S3 buckets is as simple as it seems.

What do we learn from this session?

There are …


EBS Best Practices and Performance Tuning

EBS Best Practices and Performance Tuning

One of my ex-colleagues used to be a race car driver. He probably still is, and what he told me once has stuck in my mind ever since. "Do you know where the sport car starts? Oh no, not the engine. It's the tires, man. You see, tires are the only thing that hold you to the ground. And that's where it all starts and then everything else follows."

Similarly, EBS is where it all starts on AWS. All modern AMIs have their root volumes backed by EBS, meaning an EC2 instance's root device is an Amazon EBS volume created …


AWS EC2 Performance Tuning

AWS EC2 Performance Tuning

Last time we reviewed AWS IAM Best Practices to cover essentials of your AWS security barriers.

Now, let's get to basics - EC2 performance. When we "cloudify" our applications we tend to think of how we scale them and make robust, fault-tolerant and cloud-compatible in general. However, before going up and multiplying your EC2 instances with Auto Scaling groups you may need to look at that single EC2 box and ask yourself... "Why so slow?". Yes, that dreaded performance tuning task most of us never know enough to feel confident.

Fear not, for when talking about Linux performance there is one …


AWS IAM Best Practices

AWS IAM Best Practices

This is the first blog post in our "Cloud Best Practices" series. Today we start with the subject of AWS security, the most important one when moving your application up to the cloud.

As you may know, AWS Identity and Access Management (IAM) enables you to securely control access to AWS services and resources. Anders Samuelsson gave an excellent talk at AWS re:invent 2014 titled "IAM Best Practices", so let's start there and dig a little deeper.

What do we learn from this session?

Users and groups

  • DO NOT use root credentials. There's no way to control root's password …


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