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Cloud9 IDE on Google Compute Engine
Saturday, December 7, 2013
Today's guest post comes from Ivar Pruijin, Product Manager at Cloud9 - a popular cloud-based IDE. In this post, Ivar discusses their work with Google Compute Engine.
Cloud9 IDE
moves your entire development flow onto the cloud by offering an online development environment for web and mobile applications. With Cloud9 IDE developers write code, debug, and deploy their applications, and easily collaborate with others - all right in the cloud. We’ve worked hard to ensure that our online development environment is easy, powerful, and a thrill to use.
Google Compute Engine
recently got us very excited about the possibilities for Cloud9 IDE. So much so, that we built support for Compute Engine into the backend of the soon-to-be-released major update of Cloud9 IDE! We’ve seen major improvements in speed, provisioning and the ability to automate deployments and management of our infrastructure. In this article we’ll talk about those experiences and what benefits Compute Engine offers to a complex web application like ours.
Speed
When building a hosted IDE, latency is a big concern. You want files to open instantly, step debug through your code without delays, and interact with the terminal as if it all was running locally. Every millisecond of delay we reduce is an immediate usability improvement. Due to the global reach of Google’s fiber network and its huge ecosystem of peering partners, we’ve been able to achieve major speed improvements!
Let’s look at this in some more detail. We’ve optimized our architecture to require just one hop between the hosted workspace and the browser running Cloud9. This intermediate layer is our virtual file system server (VFS). VFS connects to the hosted workspaces and provides a REST & WebSocket interface to the client running in the browser. Initially we expected the lowest latency when placing the VFS server close to the hosted workspaces and possibly in the same data center. Surprisingly it turned out that placing the VFS server as close as possible to the user resulted in way smaller latencies. This is where Google’s advantage in networking really comes into play. A round trip from our Amsterdam office to a hosted workspace at the US east coast is about 50% faster when connecting through a VFS server in a Google European data center!
In order to select the closest VFS server we use latency based DNS routing. This alone perceivably improves the responsiveness of Cloud9 in general. Users who use SSH workspaces, live outside of the US or are travelling a lot will especially feel the difference.
Fast & easy Provisioning & Infrastructure Management
There are other things we like about Google Compute Engine. The management interface is great:
It is very responsive and offers metrics on the running VM, like live CPU metrics. Everything you can do in the web console can be performed using Google’s REST interface and the very powerful command line client, too. Throughout the UI you’ll find hints of how to perform the same action using REST or the command line. This allowed us to completely script the deployment of new servers and the management of our infrastructure.
The integrated login system is another strong point of Google Compute Engine (and for Google Cloud Platform as a whole). It allows us to assign different set of permissions to every user being part of the c9.io domain. We can sign in to Google Compute Engine using our regular email/password credentials (we already use Google Apps), and a two factor authentication policy for strong security is available as well.
What’s next?
Our upcoming release is scheduled to go GA in Q1 of 2014. The backend of this new version supports Google Compute Engine next to the infrastructure that we already have and will allow our users to get a workspace in the closest region near them. So far we couldn't be happier. The performance of the VMs and virtual disks are great, the pricing is competitive and Google is really helpful and responsive. As we roll out the new version of Cloud9 IDE we’ll continue working on our Compute Engine support.
-Contributed by Ivar Pruijn, Product Manager, Cloud9 IDE
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