You may request the limitation or oppose the processing of your data, or if necessary, withdraw your consent. You have a right of access, rectification or deletion of your personal data, and if necessary, a right to the portability of your data. The data collected on the Site are exclusively intended for ServicePilot, and/or subcontractors who may be used in connection with the management of the Site and the management of orders. These personal data processed via the Site remain within the territory of the European Union. They are kept for the time necessary to manage the commercial relationship and for a maximum of 3 years from the date of your last contact with ServicePilot. The data you enter is intended for the relevant ServicePilot departments, for information purposes or service offers in the context of customer/prospect management. Need training and certification for Node? Learn more about both the private and open options StrongLoop offers.We respect your privacy and will never share your information.We’ve made it easy to get started either locally or on your favorite cloud, with a simple npm install. Ready to develop APIs in Node.js and get them connected to your data? Check out the Node.js LoopBack framework.What’s in the upcoming Node v0.12 release? Six new features, plus new and breaking APIs.I’ll report back next week as my stats grow and usage starts to put my Ghost stack through its paces. Since it’s a fresh server and domain, none of my articles are “blowing up” on Reddit or Hacker News. Now that I have my indicators and actions outlined, I can check in on my machine and evaluate as my posts are consumed and the ghost blogging platform is used. There are several other useful (some would say critical) metrics that Strong Ops helps you track and measure such as: The ‘http’ line shows the average total time for any incoming HTTP request. – Is my machine under-provisioned for my desired user experience and usage load. – How is the experience to my end users? are pages served quickly and consistently? The response time latency will gives me an indication of: – V8 GC: Heap size sampled immediately after a full garbage collection Slow endpoints and databases Is the combination of Ghost and Node.js efficient in its memory management, or is it possibly leaking memory?ĭo I need to file a bug report on the ghost bugs forum or possibly upgrade my Node.js version? The memory heap profiler will tell me if my application stack robust. Like a server EKG, this chart will be my primary indicator for an under provisioned machine. So I can get a very clear picture of the stress of my system in this single chart. Remember, Node.js applications are single threaded and will maximizes CPU core usage. The resulting action would be to upgrade to a larger virtual machine. Strong-Ops has several performance metrics, but I am going to focus on the three that matter the most to me: Memory, cycles, and latency. The first two because it gives me actionable information on my Ghost instance, and the second because it indicates the performance experience to my end user.ĬPU usage (cycles) will help me answer if my machine stressed. Node.js Performance Monitoring with Strong-Ops An application dashboard in App Metrics displays the performance metrics of a running Node. App Metrics is one of the best tools for Node.js performance testing because it can be used as middleware to build a monitoring application. Since you will need to restart your server now is also a good time to take a snapshot your Digital Ocean server for later use. App Metrics provides a great web interface for monitoring application health, using features like AppMetrics-dash. Require('strong-agent').profile(API_KEY, APPLICATION_NAME) I did this from the virtual web terminal, but it works the same if you ssh into the server. Install the strong-agent node package on your newly-instantiated Ghost droplet.Installing and configuring strong-agent with Ghost (If you need some help with step #1 standing up your ghost server there is an excellent guide on Digital Ocean that walks you through this.)Īfter you stand up your Ghost blog come back to this post and stop wondering and start monitoring. This posting is about step #2, integrating StrongLoop’s Strong-Ops Node Performance Monitoring into your new Node.js ghost instance. I stopped wondering and started monitoring the health (or stress) of my Digital Ocean Node.js Ghost configuration with StrongLoop’s Strong-Ops. How does the “stack” hold up if a post is picked up on Reddit or Hacker News. Then I started to wonder how Ghost and Node.js would perform under load. Recently the kickstarter funded Node.js blogging platform Ghost launched to the public. I immediately picked a provider and stood up this Node.js powered Ghost blog.
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