APM Insights: Beyond the Acronym

Application Performance Management

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Latest Blogs from Application Performance Management
Quickly find the root cause of complex database problems slowing down your applications. Up to 88% of all application performance issues are related to the database. DPA’s unique response time analysis shows you exactly what needs fixing - in four clicks or less. Optimize performance a...
A lot has been written and discussed about Domain Name System (DNS) in the past few days. The DDoS attacks on one of the major managed DNS Providers a while ago just made us all take DNS issues seriously once again. So why so much emphasis on getting DNS Right? Like a lot of other peo...
There’s a lot of buzz around the speed index metric, but what exactly is this metric and how is it calculated? Even more so, why do we need a new metric when there are so many already on the plate? This article gives you detailed answers to these questions. User expectations have chan...
In the run up to our latest release of capabilities for developers, I sat down with David Yang, a senior engineer here at PagerDuty who’s seen our internal architecture evolve from a single monolithic codebase to dozens of microservices. He’s the technical lead for our Incident Managem...
Developing code, without considering either the current or future needs of the end user, can cause frustration and result in customer churn, which ultimately means lower revenues. In this blog, I'd like to describe something simple I came across that demonstrates how to avoid these pit...
After 15+ years of software development, I still use the words error and exception interchangeably. But is there a difference between exceptions and errors? I think it is best to make the distinction with some examples of errors vs exceptions. Let's use this example of a dishwasher....
As your business grows, your technology requirements-and likely your physical footprint-will grow along with it. Improving infrastructure often means increased expenses due to additional physical data centers, expanded network capacity and improved server efficiency. Many organizations...
Digital transformation is happening everywhere. It starts with an expectation that whatever an organization does in the real world is supported by—and expands through—its digital presence. As the process continues, digital transformation should drive innovative ways to engage customers...
Retailers are witnessing a rising trend towards customers ordering food online and requesting hybrid delivery, such as home delivery, picking up from stores or dedicated pickup points. In light of this and other emerging innovations, retailers need to develop and deploy new application...
One hour before March Madness is about to begin, the CBS Sports app crashes. Per Twitter, college basketball fans across the country are freaking out, trying to get their last minute bracket changes completed before the first game begins. Millions of fans around the world are expected...
Incident management is paramount to the success of any modern ITOps team. However, much like growing a business, scaling incident management can also trigger growing pains. As the landscape of devices, applications, and systems grows — each requiring monitoring — so too, does the alert...
If technical debt were like monetary debt, it would be hard to keep track of it unless you checked in manually. The only way many people find out their checking account is running out of funds is by logging in and checking the balance — or, worse, having a check bounce or a debit card ...
Functional monitoring is the process of looking at the functionality offered by a single application or by a distributed system. It aims at the process of assessing the availability and functionality of the use cases of the system. It checks that the system is capable of giving desired...
We’ve all been there. Some unexpected error pops up, and we’re frantically filling out a support ticket to figure out what went wrong as quickly as possible. As software delivery continues to increase in complexity, the role of technical support is becoming increasingly important to an...
Can a better UX simultaneously deliver a worse user experience? It sounds like a paradox, but it may be more common than you think. It describes a category of UX design practices that have little to do with improving the actual experience and everything to do with suggesting that the e...
DevOps has grown exponentially especially during the past 3 years, in facts its tentacles spreads beyond Dev and Ops but some organization's still see DevOps as an extension of Agile practice. It's because how as an organization perceive DevOps, while the scrum master's objective is t...
Functional testing is a type of software testing that evaluates the performance of individual functions of a software application. The purpose of functional testing is to ensure that the application and all of its individual functions work as they should in the real world and meet all ...
Here at PagerDuty, we spend a lot of time thinking about how we can help the DevOps community and IT professionals succeed. We’re particularly interested in the “hows and whys” of evolving DevOps practices, how to deliver value to our practitioners, and how to better serve the communit...
So you've decided to take the infrastructure as a service (IaaS) approach to cloud migration. That's great-you're on your way to realizing the cost savings and flexibility of cloud computing. But the decisions don't stop when you choose between SaaS, PaaS, and IaaS. Choosing your pu...
Smart devices require smart monitoring. That’s not a platitude. It’s an imperative. In fact, the smarter the device, the smarter you need to be about monitoring it. As headlines have shown, unmonitored, unprotected smart devices may be a disaster (or a DDoS attack) just waiting to hap...
Thanks to the DevOps movement, we now understand why software delivery chains that consist of a series of silos are bad. They complicate communication between different teams, leading to delivery delays, backtracking, and bugs. When it comes to incident management, there is another ty...
How often is an environment unavailable due to factors within your project’s control? How often is an environment unavailable due to external factors? Are the software and hardware in an environment up to date with the target Production systems? How often do you have to resort to manua...
What do I think of when I’m told a company wants to adopt DevOps? The first thing that comes to mind is the size of the organization, and how far they want to take DevOps best practices. I really want to know what DevOps adoption will mean for the company. In my experience, it gets esp...
DevOps, and Ops in general, is one of the most important components of a company’s production machine. Investing in building a winning DevOps team should be a priority for every company and will pay off quickly. As organizations and operations grow (products, features, number of custo...
Last week, I tried to book a hotel for an upcoming business trip. I logged into the travel portal entered the city and dates of travel and clicked search. Then, I waited and waited and waited and waited, yet nothing happened. I tried again; same results. At this point, I gave up and mo...
One thing I have learned so far this holiday season is that a 15 pound turkey is too big for only 4 people! I love this time of year as it’s a chance for me to take time and read a number of the predictions articles that have come out in recent weeks. Here are some that have caught my ...
It doesn’t matter how often you move or where you are moving to, moving is stressful. There are so many questions to be answered, like: What if something breaks? How will this impact my commute? What is it going to cost? How safe is the new neighborhood?
The holiday shopping season, a time when Americans flock to the malls or online to find those must-have gifts, is about to kick off. Kids are pouring over catalogs and compiling their wish lists, adults are looking at the Black Friday ads to find the best bargain, and retailers are hop...
VMware configurations designed to provide high availability often make it difficult to achieve satisfactory performance required by mission-critical SQL Server applications. But what if it were possible to have both high availability and high performance without the high cost and compl...
This blog will be a series of posts that will discuss some of the most important performance metrics. We will analyze real-time data and compare the top performing websites with those at the lower end of the spectrum. Best practices will be discussed in detail to help those who want to...
The age of digital disruption is upon us, as the last decade alone has proven in terms of technology and disruption with the progression of organizations like Uber, Airbnb, and Netflix. We are also on the brink of new disruptions in industry, including banking or payments, insurance, h...
I’ve always wanted to be a starship pilot traveling the stars. While there is a slim chance of interstellar travel happening in my lifetime, we are starting to enter a fascinating era. We’re doing incredible things like landing on comets, testing ion engines , and even exploring EM-dri...
I’ve been flying quite a bit lately and I started thinking about why apps should be built more like planes. This is not meant to be a deep and insightful blog but rather amusing so I hope you enjoy my perspective!
An organizational culture that prioritizes coordinated response to incidents is vital for monitoring and managing an IT infrastructure. Incident management won’t go smoothly if teams don’t want to or know how to coordinate their response to alerts. To break it down simply, a coordinat...
Application performance problems can be quite challenging to resolve and even more difficult to predict. In my role as Dynatrace Guardian Consultant - leading the implementation of APM best practices with our customers - I've experienced quite a few "head-scratcher" situations. In this...
When we talk about today's technology environments, we're mostly talking about complexity. In the past decade or so, there have been some big changes in the way IT manages its resources and responsibilities. Along with the changes in technology (virtualization, cloud computing and othe...
Pokemon Go has stormed onto the scene this past week and the buzz is everywhere about it! However, being so successful in such a brief period of time can have a downside. Reports of players being unable to access services started appearing in relatively short order. Amazon's CTO jumped...
DNS is a core component of the Internet. This rather complex system exists to perform the basic function of translating website Domain names (ex: Catchpoint.com) into an IP address. It acts as the liaison between the language that users can understand, and the address of the data cente...
We in IT live in a complex world. While complexity is rapidly increasing, we are working hard on simplifying it. The two things occurring at the same time certainly do not make for a smooth or even linear transition, but at a minimum we are keeping complexity from overwhelming the numb...
Companies in the digital marketplace of the 21st century know a customer has their options. They make every minute of the day count for something, and they don’t have time to waste sitting in front of a screen waiting for something to load. If they feel like time is wasted with broken ...