Storm administration over a cluster

There are many tools available that can create multiple virtual machines, install predefined software and even manage the state of that software.

Introducing supervisord

Supervisord is a process control system. It is a client-server system that allows its users to monitor and control a number of processes on Unix-like operating systems. For details, visit http://supervisord.org/.

Supervisord components

The server piece of the supervisor is known as supervisord. It is responsible for starting child programs upon its own invocation, responding to commands from clients, restarting crashed or exited subprocesses, logging its subprocess stdout and stderr output, and generating and handling "events" corresponding to points in subprocess lifetimes. The server process uses a configuration file. This is typically located in /etc/supervisord.conf. This configuration file is a Windows-INI style config file. It is important to keep this file secure via proper...