Category Archives: Hardware

Simple udev Manipulations

When discovering the /sys file system, one can find quite a number of tunables that look interesting and really have effect on system behavior. Especially when experimenting with different values of read ahead for block devices or e.g. setting the … Continue reading

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Checking Block IO in Linux

For many workloads, performance in current systems is most often limited by IO. Be it memory IO as looked at in Linux and Memory or be it file system IO. The file system strongly depends on the underlying block device(s). … Continue reading

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Linux and Memory

Memory historically is a hot topic for most computer enthusiasts. You simply could not have enough memory. That used to be true for me as well until I bought an old HP XW8400 workstation from Ebay with 16 GByte of … Continue reading

Posted in Hardware, Memory, openSUSE | Leave a comment