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Re: crashing ext3 is easy and reproducible



On Dec 21, 2001  09:32 +1300, John Huttley wrote:
> I'm roughing out an application. The bottleneck would be be how fast I could
> load up data into postgresql(7.2b4). With my ide drive, the answer was 'not
> fast enough by a factor of 10'.
> 
> I ran a series of tests creating and destroying pg databases, but using a
> ramdisk of 256Mb.
> 
> To automate this I used a script.. and as soon as I ran it the second
> time --splat.
> 
> Any way, with a script it is easy to try other filesystems.
> 
> ext2 is fastest.
> reiserfs was 2 secs slower.
> ext3 trails substantially

Given that you are on a ramdisk (contents lost on reboot), then journaling
does not benefit you at all, so use ext2 (best performance), or even ramfs.

Cheers, Andreas
--
Andreas Dilger
http://sourceforge.net/projects/ext2resize/
http://www-mddsp.enel.ucalgary.ca/People/adilger/





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