Book Image

Oracle Solaris 11 Advanced Administration Cookbook

By : Alexandre Borges
Book Image

Oracle Solaris 11 Advanced Administration Cookbook

By: Alexandre Borges

Overview of this book

Table of Contents (17 chapters)
Oracle Solaris 11 Advanced Administration Cookbook
Credits
About the Author
Acknowledgments
About the Reviewers
www.PacktPub.com
Preface
Index

Introduction


When working with Oracle Solaris 11, many of the executing processes compose applications, and even the operating system itself runs many other processes and threads, which takes care of the smooth working of the environment. So, administrators have a daily task of monitoring the entire system and taking some hard decisions, when necessary. Furthermore, not all processes have the same priority and urgency, and there are some situations where it is suitable to give higher priority to one process than another (for example, rendering images). Here, we introduce a key concept: scheduling classes.

Oracle Solaris 11 has a default process scheduler (svc:/system/scheduler:default) that controls the allocation of the CPU for each process according to its scheduling class. There are six important scheduling classes, as follows:

  • Timesharing (TS): By default, all processes or threads (non-GUI) are assigned to this class, where the priority value is dynamic and adjustable according to the...