HOME SOFTWARE CONSULTANCY TRAINING REFERENCE PARTNERS SEARCH PERFORMANCE TIPS Latest Tips e-business ITIL Linux Management Modeling Oracle SQL UNIX Windows z/OS       UNIX   How do I determine the amount of physical memory installed on my UNIX system? Using Perl to "soak" your CPU What is the best way to delete a large number of files from a sub-directory? What is a good Rule of Thumb for limiting I/Os per spindle in a Raid configuration? How can I determine the number of processors on my UNIX system? - continued How can I determine the number of processors on my UNIX system? How can I help my Oracle Performance by using Unix Raw Devices? How do I size a Solaris system to run an existing NT application? My system is fitted with fast disks so why don't I seem to achieve the maximum data throughput? Why should I worry about disk fragmentation? I'm using UNIX? Are you causing a c(h)ronic bottleneck? How do you maintain a pacct file that does not live in the "standard" location? Volume managed discs - correlating with output from sar I expect a difference between the CPU usage recorded by SAR and that recorded by UNIX process accounting, but how big should it reasonably be? I want to use Unix Process Accounting but how do I manage the space it uses? How significant is the CPU % I/O Wait Measurement? Block Size - A Redundant Consideration? What's the best way to organize more UNIX paging space? My SysAdmin doesn't want me to turn accounting on! What Does the Queue Length Tell Me? Performance Killers - Rogue Processes Why is swapping a bad thing? Don't be Led Down the Wrong Path! What Will I Get by Adding Another CPU? Why should I turn UNIX accounting on? Why does Metron say that disk drives shouldn't run at more than 40% utilization?

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