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SubjectRE: Tuning for a Specific Purpose

On 10-Feb-99 Shackelford, Alan wrote:
> This machine will be splitting DB2 flat files for a living. That's pretty
> much all it will do. [...]
>
> I realize I have to improve the disk situation, but can you recommend any
> specific things to tweak in the kernel that might push this box just a tad
> faster?

Well, it sounds like this machine is going to be 100% io-bound with
simple-to-optimise linear reads and writes. This is something Linux is pretty
well tuned for already. The best bet might be to set up md and put the SCSI
disks in a RAID configuration. If integrity isn't important (all your
datafiles are copies from somewhere else) then just plain striping will
probably help a lot.

J

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