Re: Horrible drive performance under concurrent i/o jobs (dlh problem?)

From: Torben Frey (kernel@mailsammler.de)
Date: Fri Dec 27 2002 - 08:04:57 EST


Hi Nuno,

> AFAIK, this is because you have some GB of memory (RAM) that are beeing
> used as disk-cache. It took 22 seconds for the cached writes-to-disk
> being flushed to the device.

Yes, I guess you are right...must be the flushing of my buffers, altogether it writes out
exactly the amount of data I would expect (the "22seconds block" included).

Regards,
Torben

PS: Sorry for my long delay, but I was at home over Xmas and could not reply earlier.

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