Mark J. Ray
Contributor
Mark J. Ray has been working with AIX for more than 20 years, 18 of which have been spent in performance. His mission is to make the diagnosis and remediation of the most difficult and complex performance issues easy to understand and implement.
Slicing Time: Curing the Context Switch in AIX
May 17, 2017
Now that we’ve laid a solid groundwork for performance analysis, I'll show you how to tune your systems based on information you’ve gleaned from your diagnostic data.
ArticlesSPLAT: The Simple Performance Lock Analysis Tool
February 14, 2017
Understanding locking activity and how it affects the performance of databases, applications and the OS itself is an essential part of every AIX specialist's diagnostic arsenal.
ArticlesAnalyzing System Dumps
February 8, 2017
A system dump indicates a severe problem with an AIX system. System dumps usually halt the system, necessitating a reboot.
ArticlesAccessing the Data in Core Dumps
January 22, 2006
If you're like most UNIX administrators, you probably have a crontab or some other housekeeping program that regularly searches your systems for core dumps, backs them up (maybe), and then deletes them. This leaves you to try to puzzle out their cause from information contained in the AIX error log. Of course, about half the […]