Operations | Monitoring | ITSM | DevOps | Cloud

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Why does CUBIC take us back to TCP congestion control?

TCP congestion control is a fundamental part of this protocol and over the years has undergone a process of constant improvement through the generation of different versions, such as TCP Tahoe, Reno, Vegas, and so on. The case of the TCP CUBIC version, which has been the default congestion control applied by Linux/Unix systems.

Assessing the Per-Minute Cost of an Outage for YOUR Company

Software vendors and analysts love to rattle off scary numbers about how many thousands of dollars per minute or hour an infrastructure outage will cost the typical company. Those numbers can be scary indeed; for example, Gartner quotes $5,400 per minute as the cost borne by a medium to large-sized retailer. Your company, however, is most likely not identical to the “typical” company on which the numbers are based.

10 best Web Application Testing Tools in 2019

These days having a website isn’t enough to keep visitors happy and coming back for more. No, you need a website that is secure, loads quickly, and is free of any bugs. Of course, the only way to ensure this is to test your website on a regular basis. If this is not a task that you want to outsource, there is no need to worry. There are a number of web application testing tools that can help you out.

Automated Application Assessment using CloudHedge Discover

For adoption of cloud, for enterprises, there are tools which enable movement of VMs or hosts to the cloud. However, to seek the benefits of cloud, enterprises or startups need to focus on applications and not the entire infra over which the application resides. To ensure applications work post-migration, they need to be assessed on multiple parameters.

July 2019 Update: Alert Opt-In and Out, Apps Section and Getting Started

July 2019 Update introduces the option to opt-out for certain categories as well as some enhancements in the Web portal. You can now opt-in/out of certain categories under Settings -> Services & Systems. This works on a per-user basis and is useful when you do not want to receive certain alerts but your team members still need to get them. Another scenario is to listen in, meaning you see what is going on but all notifications can be muted.

The Ins and Outs of Postmortem Documentation

No matter how you design your architecture or what technologies you implement, critical incidents will happen. When things go wrong, it is easy to get carried away and forget about the bigger picture. But your work isn’t done after you fix the immediate problem; now is the time to take a look at how the incident actually happened so that you can learn from it.

Announcing Stackery's AWS DevOps Competency - Professional Workflow & Tooling For Building On AWS Serverless

As a company providing tooling to enable developers and operations teams to adopt a productive serverless workflow, Stackery is closely integrated with Amazon Web Services (AWS). Our customers are development teams who want to confidently build on AWS serverless and then manage the pipeline to production with confidence that what gets built and changed is done efficiently and well.

What's new in Calico v3.8

We are very excited to announce Calico v3.8. Here are some highlights from the release. You can now view IP address usage for each IP pool using calicoctl. This allows you to more easily manage the IP space in your cluster, providing a simple way to see which IP pools have addresses available and which are running low. See the calicoctl reference documentation for more detailed information on how to use this feature.