![]() So why does a container terminate, or exit? There are several reasons why a Docker container might end: Advertisements Why a Docker container terminates Įxited - The Docker container has exited, usually because the process inside the container has exited.Paused - The Docker container has been paused, usually with the command docker pause. Can happen using docker start or docker run. ![]() That is, the process inside the container is running. Up - The Docker container is currently running. A Docker container can be in one of several core states:Ĭreated - The Docker container has been created, but not started (e.g. A Docker container goes through various stages of life - like a bee □.Ī container is simply an isolated process running on your computer. To understand why and when a container stops, we need to look at the lifecycle of a container. In the real world Advertisements The lifecycle of a container.How to prevent a container from stopping.What if my Docker container dies immediately?.How to find out why a Docker container exits.So why does a container stop? On this page When this process finishes, the container exits. They only run (contain) a specific process. You probably know that VMs are like virtual computers that keep running until you tell them to stop.īut containers don’t run an entire operating system. ![]() ![]() Containers are not like virtual machines. To understand why containers exit, it’s really helpful to understand the difference between containers and VMs. This is especially the case if you’re using Kubernetes, which will restart failed containers, and give you that dreaded CrashLoopBackOff error. But, nevertheless, you might be wondering why it’s exited! That means that, sooner or later, your Docker container will come to a complete stop, whether by choice or accident.Ī Docker container exiting doesn’t usually indicate that something is wrong. If after applying above hints you still experience problems you will have to consider going for Distributed Testing as it indicates that single machine cannot kick off that many threads (virtual users) as you require.When you run a container image you’ve pulled from a registry like Docker Hub, you’re launching a process. Both scripts are located under "bin" folder of your JMeter installation. PerfMon PluginĪssuming all above you should be able to terminate your test gracefully using either shutdown.cmd shell script or forcefully using stoptest.cmd script. You can monitor baseline underlying OS health metrics using i.e. If machine doesn't have enough resources to simulate that many users as you defined your results will not be accurate as JMeter will not be able to send requests fast enough.
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