[Vienna-pm] my yesteday slides

Jozef Kutej jozef at kutej.net
Tue Mar 4 08:07:15 PST 2008

Hi everyone,

if you would like to check something from my yesterday slides here are
the links:


If you will be playing with linux hdd raids and performance have a look
also on:

# you can set read-ahead per blockdevice
blockdev --setra 4096 /dev/mapper/vg00-data
blockdev --setra 0 /dev/hda

# there are different types of schedulers that can be set
echo deadline > /sys/block/hda/queue/scheduler

# and be nice also to the io for long running processes
apt-get install schedutils
man ionice

Enjoy and have a nice day!

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