Memory leaks are something every developer has to eventually face. They are common in most languages, even if the language automatically manages memory for you. Memory leaks can result in problems such as application slowdowns, crashes, high latency, and so on. In this blog post, we will look at what memory leaks are and how you can avoid them in your NodeJS application. Though this is more focused on NodeJS, it should generally apply to JavaScript and TypeScript as well.

What Are Runtime Metrics? Runtime metrics can help us understand how an application is performing. SolarWinds® AppOptics™, a SaaS-based, full-stack infrastructure and application monitoring tool, now reports four categories of runtime metrics: CPU, memory, garbage collection times, and event loop times. Each metric category provides a view into how resources are used by an application.

Here is an overview of the features & fixes we released over the last month.

Software services are at the heart of modern business in the digital age. Just look at the apps on your smartphone. Shopping, banking, streaming, gaming, reading, messaging, ridesharing, scheduling, searching — you name it. Society runs on software services. The industry has exploded to meet demands, and people have many choices on where to spend their money and attention. Businesses must compete to attract and retain customers who can switch services with the swipe of a thumb.

ProxySQL is a MySQL/MariaDB protocol–compliant load balancer and reverse proxy with native support for a range of popular backends including ClickHouse, Amazon Aurora, and Amazon RDS. ProxySQL efficiently distributes queries to your database servers and caches results, improving resource management and boosting database performance. You can also configure ProxySQL for high availability to reduce downtime.

Working from home has become our new normal, with many of our jobs being performed remotely. The experience of working remotely can be as seamless as it was from our workplace, with all the technological advancements available today. Businesses have also put network security on the forefront by implementing use of virtual private networks (VPNs). This enables users to securely access confidential information hosted on the organizations’ servers.

93% of businesses use cloud services, and many are looking forward to investing more in it. Which means almost everyone nowadays is using cloud in some form or another. If any part of your infrastructure is in the cloud, then you must monitor it. This article will show you the features and benefits of cloud monitoring. We’ve also covered how cloud monitoring can help in the current pandemic situation.

In a previous blog post I discussed the complexity of securing Kubernetes environments, and some best practices. Unfortunately, even if we follow best practices in setting up and configuring our system, we can never eliminate all the vulnerabilities.

There are instances in life when isolation is actually welcome. One of those instances pertains to the I in the acronym ACID, which outlines the key properties necessary to maintain the integrity of transactions in a database. The time series database (TSDB) embedded in the Prometheus server has the C (consistency), the D (durability), and – somewhat debatable – the A (atomicity). But up until and including Prometheus v2.16, it did not have the I (isolation).

Last year, the Skylight team gave a talk called Inside Rails: The Lifecycle of a Request. In that talk, we covered everything that happens between typing a URL into your browser to a request reaching your Rails controller action. But that talk ended with a cliffhanger: Once we are in the controller action, how does Rails send our response back to the browser?