Familiarize yourself with platform-specific issues so that you know what performance options the operating system provides.
Chapter 10 The self-healing database Automatically rebuild and reorganize indexes Intelligently update statistics Automatically implement missing indexes Automatically disable or drop unused indexes Chapter 11 Useful scripts A generic performance test harness Determining the impact of a system upgrade Estimating the finishing time of system jobs Get system information from within SQL Server Viewing enabled Enterprise features only Finding where your query really spends its time Memory usage per database Memory usage by table or index A simple lightweight trace utility Some best practices Where to start with performance problems You can use this incredibly detailed information to significantly improve the performance of your queries and better understand what's going on inside your SQL Server system.
You'll also learn to use Dynamic Management Functions DMFswhich provide further details that enable you to improve your system's performance and health. What's inside How to correct missing indexes What's slowing down your queries What's compromising concurrency.Understanding Process Dumps.
When a single process fails but the operating system is still running, the system can create a process dump that contains information about the process to assist in determining what caused the process to fail.. By default, process dumps are written to the current default directory of the user.
In this operating system there is no separation between kernel mode and user mode, therefore top performance can be achieved without using the Kernel PlugIn. To improve the interrupt handling rate on Windows CE, follow the instructions in Section of the manual.
Understanding Operating Systems, 7e (figure ) Using the SSTF algorithm, with all track requests on the wait queue, arm movement is reduced by almost one third while satisfying the same requests shown in Figure (using the FCFS algorithm).
Understanding File System Permissions. The technologies collectively known as “file system permissions” are used to control file and folder authorization for Mac OS X.
File system permissions work alongside the user account technologies, which control user identification and authentication, to provide the Mac’s secure multiuser environment.
Abraham Silberschatz, Greg Gagne, and Peter Baer Galvin, "Operating System Concepts, Ninth Edition ", Chapter 8 Background Obviously memory accesses and memory management are a very important part of modern computer operation.
SQL Server DMVs in Action is a practical guide that shows you how to obtain, interpret, and act on the information captured by DMVs to keep your system in top shape.
The samples provided in this book will help you master DMVs and also give you a tested, working, and instantly reusable SQL code library.