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Severe system lag spike when running minecraft server with greater than 1 user

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http://serverfault.com – I am trying to figure out what the problem could be with my game server. Currently it only run a minecraft server but may run more later. The problem I am experencing is severe system lag spikes when there is more than 1 user connected to the at once. The lag spike do not just affect the minecraft instance they affect the WHOLE system, SSH becomes unresponsive and one time the machine went completely offline and I had to drop in with the management console to regain control. The Specs! Virtual Machine running on VMware vSphere 5.1 1 vCPU with 2 Cores Allocated 4GB of vRAM (out of 16GB avai (HowTos)

dayu's picture
Submitted by dayu on 02/10/2013 – Made popular on 02/10/2013

Stories similar to Severe system lag spike when running minecraft server with greater than 1 user

I am sure this very question has been asked around here quite a bit, but I have been looking for days and I am still unable to find a solution.

I am running Ubuntu 12.10 Desktop on a Lenovo H520s.

Backstory:

I am working on setting up a MineCraft server and want to allow admins to have ssh access to the MineCraft server console and appropriate mc server files, but not the whole system. The console provided by the minecraft server is only available to the user that launched the process.

I've been running minecraft server with mods. After reading of some troubles with mods I don't trust them. I want to set it up in a way that if the mods are malicious that my system remains unaffected.

Options I'm considering: 1. Use apparmor. 2. Modify my minecraft launcher script to run it a as a different user (would that work?).

As far as I know right now my system could be compromised.

I run windows 7. I Run a MineCraft server, but I can only host around 9 players before lag appears. I heard that Ubuntu can run a server with much better performance than win7. I kind of like the whole idea of Ubuntu, but I don't want to change my OS to unix or anything. Basically, my question is, does running a server (specifically and minecraft server) run easier and faster on a Ubuntu server?

With almost any game I play, be it Minecraft, TF2, World of Goo or windows games running in wine, I get horrible lag spikes (after a shot time playing) that happen about every 15-20 seconds and last for 2-4.

Hey I have problem with deployment minecraft server on ubuntu maas/juju.

Does anyone have any experience setting up a Minecraft server with Ubuntu using Putty? To clarify, this server will be running off of a host, not my computer. To accomplish this, I need to install Multicraft, the control panel which I can control my Minecraft servers from.

So I bought a dedicated server from staminus.net just for running a Minecraft server. On Minecraft, the default port is 25565. I am wondering how one makes it so that there is no port on the IP address for the Minecraft server. The reason I don't want a port is because I want to make an A Name record from my domain to the IP, as number IP addresses are hard to remember.

Perhaps this is considered too frivolous a question, but I'm trying to set up a Minecraft server on ec2. I've been doing micro instances for now, because I want to see how well it works before committing to pay for it.

Everything needed to host the minecraft server is in a dropbox folder.