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Gstreamer eats 100% CPU in Ubuntu 16.04 on AWS

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[系统(linux) 所属分类 系统(linux) | 发布者 店小二04 | 时间 2017 | 作者 红领巾 ] 0人收藏点击收藏

Annoying issue I happened to experience lately. Servers that we launch inside AWS from Ubuntu 16.04 AMI had this gst-plugin-scanner process running and eating 100% of one of CPU cores. Investigation revealed that this is a gstreamer-related process which had no business running in a non-graphical environment.

Apparently, installing some packages on top of the base AMI made Systemd switch to graphical.target as the default target (runlevel in old terminology). Graphical target starts things like Lightdm which consequently spawn different GUI-related processes. And turns out some of those processes get their brains fried.

The solution is to restore the default runlevel back to the multi-user one.

sudo systemctl set-default multi-user.target

Note that you must do this either when you build your custom AMI, or you can do this on an already launched instance, but then reboot it.

本文系统(linux)相关术语:linux系统 鸟哥的linux私房菜 linux命令大全 linux操作系统

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