Best Application Monitoring Tools

By Staff Contributor on December 6, 2019

As monitoring aficionados, our toolbox sports an embarrassment of riches, from configuration management to logging, and from synthetic transaction solutions to application tracing and monitoring. It could be argued that cloud-based application monitoring (or APM) tools are the most plentiful and, to a certain community of IT practitioners, the most essential, providing crucial information to help you ensure service uptime and optimal performance. But with so many tools on the market, which ones should you be using?

After doing a bit of digging, some research, and no small amount of testing, it’s become clear to me that this is less about finding the “best all-around APM tool” as it is figuring out which tool is right for a specific use case, business niche, and budget.

That’s what I’m doing in this post—I’m not going to try to list out each of the open-source, free, freemium, or paid tools that are out there. Instead, I’m going to look at a few of the most common use cases and offer up my best choice in that category. My hope is that this will help give you a leg up on your own process, whether you are just starting to dig into finding an APM tool that meets your needs, or you already have one that you might have outgrown.

Use Case #1: The All-Around Best Application Monitoring Tool

With monitoring tools in general, and APM tools specifically, there’s no such thing as “one size fits all.” However, there is a “one-size-fits-most,” and that would be AppOptics. Part of my reason is that this application monitoring tool acts as both a telescope and a microscope to your code execution, showing you how it’s operating as it moves through your environment as a whole, and also enabling you to drill all the way down to individual lines of code to tell you which specific function calls are affecting overall performance and user experience.

AppOptics application monitoring software

But another reason why this is my go-to APM solution is that it’s part of the SolarWinds ecosystem—a set of solutions that covers everything from pure network and server monitoring to niche functions like storage, IP address, database, and configuration management, to security solutions that run all the way from on-premises into the cloud. For the more bullet-minded among readers, the advantages of AppOptics include:

  • Metrics, tracing, and exception tracking
  • Broad language support (Java, Go, .Net, PHP, Python, Ruby, Node.js, and Scala)
  • Infrastructure monitoring along with application monitoring
  • Seamless switching and integration of into other parts of the SolarWinds ecosystem (Pingdom®, Loggly®, Papertrail, etc.)

You can find out more about AppOptics here.

Use Case #2: Best Application Monitoring Tool for the Cost-Conscious

Sysdig application monitoring tool

When the purse strings aren’t just tight—the purse has been sewn up and thrown into a vault—I turn to the open-source mainstay Sysdig. Built with containers, microservices, and cloud in mind from the beginning, Sysdig allows you to capture system state and activity from a running instance, then save, filter, and analyze. This allows you to create rules to watch those data streams and effectively monitor, track, and secure your containerized resources on the fly. Sysdig is scriptable in Lua and lets you work either from the command line or via an interactive UI. Sysdig has been described as “strace  plus tcpdump  plus htop  plus iftop  plus lsof  plus awesome sauce. With state-of-the-art container visibility on top.”

Check out more on Sysdig here.

Use Case #3: Knowing What’s Happening Now

New Relic application monitor solution

Like AppOptics, New Relic displays everything from the end-user experience through servers down to the lines of application code. With support for Ruby, PHP, .Net, Java, Python, Node.js, iOS, and Android; and plugins for Oracle DB, MySQL, Microsoft SQL Server, Citrix NetScaler, PostgreSQL, Apache HTTPd, Nginx Web Server, Amazon Web Server—as well as monitoring for mobile platform applications—it covers a lot of ground. It can also perform synthetic transactions, so you can test application behavior even when nobody is on the system. But its shining feature is the ability to capture and report a high level of exceptions per minute per service. However, this all comes at a price. Literally. New Relic is a tool I use when the situation calls for it and the budget can support it. The reason I put this in the use case for “when I need to know NOW” is because of its data retention. The most you’re going to save is eight hours. So, you get a great level of insight, but you need to know going in that the data will not stick around for end-of-month or end-of-year forensic activities.

You can learn more on New Relic here.

Use Case #4: Staying in the Walled Garden

CloudWatch AWS app monitoring platform

There are times when the situation calls for keeping everything as tightly contained as possible—when you want to minimize outside influence/interactions. In those cases, going with the cloud vendor’s own monitoring options is the best choice. CloudWatch is what AWS offers for monitoring and management, pulling performance data from AWS components and the applications running on the Amazon infrastructure. Basic monitoring is free, with paid tiers to augment that insight to include more detailed monitoring, custom metrics, and more. Obviously, the biggest limitation is that this is only for Amazon infrastructure, so if you have a multi-cloud application, this isn’t going to fit the bill.

Amazon has more information on CloudWatch here.

Use Case #5: Hybrid IT Flexibility

AppDynamics application monitoring

When it comes to application tracing and monitoring, some products are intended to be cloud based, others are provided as software-as-a-service (SaaS), and still others are meant to be installed on-premises. When an application or environment straddles two or three of those areas, it’s considered “hybrid IT” and can present its own challenges from a monitoring standpoint. AppDynamics allows you to install their software in any of those three configurations, and that’s why I use it for this specific use case. With built-in support for applications running on Android, iOS, Browser, Java, NET, PHP, Node.js, SQL, and NoSQL, and modules to provide insight into application performance, end-user experience, infrastructure visibility, and business services, this solution is well-suited to larger enterprises with elements spread across both geographic locations and platform types.

Find out more about AppDynamics here.

The Verdict: Best Application Monitoring Tool

As I hope I have showed in this list of top application monitoring tools available on the market ranked by what issues they best solve, there are tools out there to fit almost any use case. Regardless of whether you just started your search for the right application monitoring tool to solve your pain points or already have a tool but are curious what new or better options are out there, I recommend trying out a well-rounded APM tool like AppOptics for its simplicity and wealth of integration options at an affordable, per host price model.

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