nice – making things run slower nice. That’s what you use if you want something to run nicely. If you have a busy box, you may hesitate to run something which might slow the box down. For example, when I make a port on my webserver, I issue the following command: nice -15 make From …
hint – A scalable benchmark for testing CPU and memory I was about to change the 486 in fred.nz.freebsd.org for a Pentium. I installed and used hint to see the performance differences. Installing hint hint is available in the ports under /usr/ports/benchmarks/hint. Because I had all the port skeletons installed, the installation was simple: …
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vinum – A simple install to improve performance vinum is a great tool. As the author says: The Vinum Volume Manager is a block device driver which implements virtual disk drives. It isolates disk hardware from the block device interface and maps data in ways which result in an increase in flexibility, performance and reliability …
rawio – testing device performance After I installed vinum, I wanted to compare the performance of the vinum and non-vinum volumes. I was told about Greg Lehay’s benchmark program, rawio. From man rawio: rawio tests the speed of the low-level character I/O device special in a concurrent environment. It is intended for comparisons of storage …