I am new to mesos , marathon framework. I formed the cluster with three mesos(0.27.0) masters and two mesos slaves. Marathon (0.15.1) is installed on masters. I scheduled one task from marathon UI of echoing Hello in some file echo "hello" > /tmp/sample.txt.
I observed that the hello is written in the file but the process of writing hello inside the file is going on. Ideally it should be stopped once it has written. I have same trouble when I tried to launch the containers, the containers are getting created till I have no memory. Can anyone suggest me what to do in order to stop echoing and to stop marathon from creating new containers ?
This is the expected behaviour for Marathon, which is meant to be used for long-running tasks, that is things like a Web server, app server, etc.
When Marathon sees the app terminates, it will launch it again (potentially on a different node).
For one-shots, you can use Chronos, Cook or write your own framework.