If you let them get to work, you don’t have to worry about anything. I don’t think it’s either a success or failure in our case…But there are three key factors to the success of OpenStack. What are the keys to your success with OpenStack? Not pictured: Charlie (Jungdae Choi) and Rick (Heesu Sung). The entire cloud team, from top left clockwise: Jenny (Jihyun Song), Maximus (Jungju lee), Andrew Kong, Hardy (Woncheon Jung), Dave (Gyudong Choi), Nico (Seung lee), Al (Eohyung lee), Raymon (Hyun Ha), Issac (Seoungkuk lim), Joanne (Younju Hwang). So the whole infra team (server, network, database and security) takes care of OpenStack when it has issues. Except for OpenStack and its networks in compute node, other teams take care of the service VM or network over the compute node too. We try to automate all the routine jobs but it’s still really difficult. To make it easier, we made an automated dev, test and deployment system for OpenStack we call ‘kfiled,’ which Andrew Kong developed. What are some of the challenges you face with such a small team?Įven though those two people are excellent, there’s always a feeling that we lack resources to take care of such large computing resources. The OpenStack dynamic duo: Al (Eohyung lee) and Raymon (Hyun Ha). Their applications should be fault-tolerant, their data backed up (we provide object storage and volume through Glance and Cinder) and ready for automatic deployment for fast scaleout and re-deployment. We constantly tell our developers to be ready for errors.
#Kakaotalk emojis full
But those VMs have full support from the infra team including automatic failure alerts, system engineering support and network-engineering support for the quality of that public service… As I mentioned earlier, part of our VMs run production services. You’re managing 5,000 virtual machines, some of them in production – how big is the team?įor managing upgrades, bug patching, new features, we only have two dedicated people who take care of more than 5,000 VMs.
After this change, our OpenStack cloud was ready for carrying production workloads.Ī peek inside the Kakao Corp. We re-created our monitoring system to have the same monitoring/managing experience for physical resources, virtual resources as well. They started asking, “Can we use the virtual computing resource for the public and external services too?”… our monitoring system and configuration database management system had an issue with managing virtual resources. Our developers choose what they want to use it for - big data solutions, web applications, databases and even real-time analytics over our OpenStack cloud.Īs time went on, our developers saw the stability and speed of OpenStack. The initial purpose of our OpenStack cloud only was for internal development and testing. What kinds of applications or workloads are you currently running on OpenStack? That was the very beginning of Kakao’s OpenStack cloud. He named this cloud Krane which is composite word of Kakao + crane. Charlie Choe, who was also the OpenStack Korea community coordinator, led the initial design and development of Kakao’s OpenStack cloud. So OpenStack had the best potential and a good design for the scale-out environment. We tested OpenNebula, OpenStack and Apache CloudStack, but at the time there wasn’t much documentation on that. We did some research and didn’t find many options. We decided to use open source-based cloud software. We have expertise and good engineers, but funding was a constraint. At the time, we didn’t find many options. We searched for technology that would allow us to achieve this. Our company’s leader wanted scalable monitoring, standardized/managed/automated resource provisioning, automated application deploying, self-scalable resource management, automated fault/error detection and automated-healing resources. It started as an experiment in self-managed development environments for our engineers. No one understands my range of emotion as well as emojis do, esp the dancing ahjumas /HGJWPzBBu8 Superuser got the scoop from Andrew Kong cloud computing cell lead at KakaoTalk about why they got started with OpenStack and how they manage 5,000 virtual machines with a team of just two people. Available in 15 languages, the cute stickers and animated emoticons offer a distinct voice in the noisy app market. in 2012, it hit 200 million users in December 2015. KakaoTalk is a chat and voice-over IP app that keeps super-wired South Korea - and a good chunk of the rest of the world - connected.
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