Operations | Monitoring | ITSM | DevOps | Cloud

You’re going to run into network issues during normal operations—in part because so many kinds of errors can cause noticeable problems in your network. Identifying the root cause of each issue is critical and to do so successfully, you want to make sure you have the right network troubleshooting solutions in your arsenal before wading in. This helps ensure you have a clear understanding of the scope of the problem before you attempt any network troubleshooting steps.

Traditional systems monitoring solutions poll various counters (typically simple network management protocol [SNMP]), pull in data and react to it. If an issue requiring attention is found, an event is triggered—perhaps an email to an administrator or the firing of an alert. The admin subsequently responds as needed. This centralized pull approach is resource-intensive. Due to the pull nature of the requests, it results in data gaps and data that may not be granular enough.

Welcome back! As we enter the halfway point of this five-part series, we’ll discuss Level 3 of the capability maturity model (CMM) and the role it plays in helping DBAs grow their organization and increase the functionality of their business. By now you should be familiar with the definition of CMM and the Information Maturity Model (IMMM). If you need a refresher, part one and two of this series cover the basics of the models and the overall benefits of following a maturity model.

If you’ve ever encountered a slow file download or a frozen/lagging video, you’ve experienced packet loss. Under certain circumstances, these might be minor inconveniences, but packet loss on a larger scale can be financially detrimental to businesses. Fortunately, there are steps you can take to diagnose and reduce packet loss. In this article, we provide some background on why packet loss occurs before sharing five of the best network monitoring solutions on the market to combat the issue.

To many developers and system administrators—and even to some database administrators—database engines are a black box. They’re complex pieces of software that, in some cases, even have their own operating systems—the database engine manages its own memory, reads and writes to disks, and handles numerous other system functions. In this post, you’ll learn about a specific feature of database engines—query optimization.

I’ll be the first to admit one of my weaknesses is public speaking. I spend hours before a training session, online seminar, or live event rehearsing exactly what I want to say and how I want to say it. But all my time spent practicing an engaging presentation only mildly prepares me for the moment I’m in front of others and it’s my time to speak.

Have you ever deployed a new application that ran fine at first, then slowed to crawl as more and more data was added? Or tried to run a report that took minutes or even hours to come back? Database performance is a frequent bottleneck for many applications, and in this post you’ll learn about a critical aspect of database performance—indexes.

Azure Functions are great for running bits of processing on a trigger without having to worry about hosting. Recently, I needed to debug an Azure Function—I needed to hunt down a particularly evasive bug that wasn’t showing up in the unit and integration tests. As it turns out, debugging an Azure Function isn’t as trivial as simply running the debugger in Visual Studio. Instead, it requires some setup to replicate the environment and configuration typically available in Azure.

By continuously running a well-built general-purpose database performance monitoring facility, organizations can gain constant visibility into the availability and responsiveness of their databases and database management systems (DBMSs). When such a tool is equipped with analytics to compare historical metrics against current values, administrators can immediately understand how current values and behaviors stack up against prior averages and typical baselines.

The public cloud has greatly increased the flexibility of businesses everywhere. Need another petabyte of storage? You’re but a few mouse clicks or a couple lines of code away from allocating all those disks with effectively no lead time. At the same time, it makes it easy for business units, a functional organization, or a disgruntled vice president with a corporate card—who may be frustrated with your IT for various reasons.