[CentOS] ext4 in 5.3

Les Mikesell lesmikesell at gmail.com
Fri Jan 23 00:11:07 UTC 2009


Stephen John Smoogen wrote:
> 
>>> Hi guys - I'm really looking forward to 5.3 for the potential of ext4.
>>> I am moving/copying image files lately 8G file and it is slow. I am
>>> hoping that ext4 really speeds that up.
>> I don't think it will speed things up much. 8GB files are mostly
>> hardware throughput and ext3/4 will actually be slower because the
>> journalling etc are to make it more robust but at a speed cost. You
>> would probably see better speed by going to ext2.
> 
> I make it a habit of eating my own words if I screw up. If the results
> seen on Ubuntu by one test hold up, it might have a large increase in
> large writes (but nothing in large reads).
> 
> http://www.phoronix.com/scan.php?page=article&item=ubuntu_ext4&num=1

Has anything fixed fsync so it works as intended on a single file 
without waiting for the whole filesystem metatdata to be written?

-- 
   Les Mikesell
    lesmikesell at gmail.com


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