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Behind every action game bullet and every strategic movement a server is using electrial power. In this post I will tell you a bit about the use of power switching on the backbone network.
Here is the picture of the power used by the backbone network. All servers is connected to dual power supplies in the servers. This is for safety use, if the normal powers drops it will switch over to the backup power. We have two power feeds.
This is the power consumption in the morning Central European Time. In the morning there are lots of players and more players give more power use by the servers.
Parts of developing a game like Heroes & Generals is making sure everything around the game runs as smoothly as possible as well, so today I cornered Reto.HansG or a quick look at how that part of the operation works. – Reto.Robotron3000
Today I will tell you about the backend design of the homepage system on heroesandgenerals.com.
Today I will tell you a bit about the system we use to manage the server setup for Heroes & Generals.
A sample graph of the CPU load of one of the servers. You can see that the server load is higher from noon till midnight, but there is still load other hours as well as players from all over the world are playing H&G 24/7.
My name is Hans-Henrik and my H&G name is Reto.hansg. It’s my responsibility to setup, maintenance and monitor the gameservers, and if they crash, I also get them on their feet again. I have been working as IT-dude in about 20 years now, as system administrator on windows and unix (mostly linux systems).
It is critical to the game that the network is running fast and that we don’t have network delay on the routers in the network to you. So when we order new servers we need to test the stability and the hosting providers network speed to check that it will deliver as planned. I really love this task as I get to talk with some really nice hosting providers all over the world. This gives me the chance to do all kinds of interesting network stuff and I get to see what internet quality we can get in different countries.
The network quality is not great with all hosting providers. We had some issues a while ago with one provider, where we experienced many network errors to the US internet, but the hosting provider managed to fix the problem for us. This sometimes happens, so some of the issues you might experience with bad connection or lag might sometimes be a bit out of our hands, as we currently don’t have our own hosting center. But we do everything we can to make sure that the hosting providers are delivering a high quality service. For example, we use a tool called Nagios to monitor the servers, and to check that the gameservers are running as fast and stable as possible.