Displaying 3 results from an estimated 3 matches for "allocation_groups".
2015 Feb 16
4
Centos 7.0 and mismatched swap file
...t of concurrency, XFS over linear will beat XFS or ext4
over raid0. Whereas for streaming performance workloads, striped raid
will work better. If redundancy is needed, mdadm permits creation of
1+linear, as compared to 10.
http://xfs.org/docs/xfsdocs-xml-dev/XFS_Filesystem_Structure/tmp/en-US/html/Allocation_Groups.html
You can think of XFS on linear as being something like raid0 at a file
level, rather than at a block level. On a completely empty file system
if you start copying a pile of dozens or more (typically hundreds or
thousands) of files in mail directories, XFS distributes those across
AG's and...
2015 Feb 16
0
Centos 7.0 and mismatched swap file
...S over linear will beat XFS or ext4
> over raid0. Whereas for streaming performance workloads, striped raid
> will work better. If redundancy is needed, mdadm permits creation of
> 1+linear, as compared to 10.
> http://xfs.org/docs/xfsdocs-xml-dev/XFS_Filesystem_Structure/tmp/en-US/html/Allocation_Groups.html
>
> You can think of XFS on linear as being something like raid0 at a file
> level, rather than at a block level. On a completely empty file system
> if you start copying a pile of dozens or more (typically hundreds or
> thousands) of files in mail directories, XFS distributes t...
2015 Feb 16
2
Centos 7.0 and mismatched swap file
On Mon, Feb 16, 2015 at 12:07 AM, Michael Schumacher
<michael.schumacher at pamas.de> wrote:
> Btw., are you sure you want to use XFS for a mail server? I made some
> tests about a year ago and found that EXT4 is by the factor 10 faster
> compared to XFS. The tests I performed were using the "maildir" style
> postfix installation that results in many thousands files in