* What is random write of FIO?
@ 2011-01-02 14:37 Dan Le
2011-01-03 14:11 ` Jens Axboe
0 siblings, 1 reply; 2+ messages in thread
From: Dan Le @ 2011-01-02 14:37 UTC (permalink / raw)
To: fio
Hi there,
I understand that FIO performs sequential writes of small files by
just sequentially flushing them into the file system. But for random
writes of either small or large files, how can FIO randomly write
those files into the file system? I am confused because the manual
does not clearly explain this feature.
Sorry for this newbie question. You answer will be appreciated.
-- Dan
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: What is random write of FIO?
2011-01-02 14:37 What is random write of FIO? Dan Le
@ 2011-01-03 14:11 ` Jens Axboe
0 siblings, 0 replies; 2+ messages in thread
From: Jens Axboe @ 2011-01-03 14:11 UTC (permalink / raw)
To: Dan Le; +Cc: fio
On 2011-01-02 15:37, Dan Le wrote:
> Hi there,
>
> I understand that FIO performs sequential writes of small files by
> just sequentially flushing them into the file system. But for random
> writes of either small or large files, how can FIO randomly write
> those files into the file system? I am confused because the manual
> does not clearly explain this feature.
The HOWTO has an explanation on the various service types that you can
use for multiple files. Did you read that one? If yes, then please
expand on your question with that in mind :-)
--
Jens Axboe
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