December 2008
Intermediate to advanced
320 pages
6h 45m
English
Content preview from Expert Shell Scripting
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CHAPTER 14Throttling Parallel Processes
I have often needed to perform a task across multiple remote systems. A common example is the installation of a software package on each machine in a large environment. With relatively small environments, you could simply write a script that loops through a list of systems and performs the desired task serially on each machine. Another method would be to loop through the list of machines and submit your job to the background so the tasks are performed in parallel. Neither of these methods scales well when you run a large environment, however. Processing the list sequentially is not an efficient use of resources and can take a long time to complete.
With too many background parallel processes, the initiating ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.