[Gluster-users] Performance problem with 2.0.0rc1 ?

[Anand Avati]

On Tue, Feb 10, 2009 at 3:18 PM, Chris Maciejewski <chris at wima.co.uk> wrote:
> It seems to me there is a performance problem with GlusterFS 2.0.0rc1.
>
> Please see the results of the following simple test below:
>
> $ dd if=/dev/zero of=hundred-meg-file count=100000 bs=1000
>
> for 2.0.0.rc1:
> 100000+0 records in
> 100000+0 records out
> 100000000 bytes (100 MB) copied, 283.346 s, 353 kB/s
>
> for 1.3.12
> 100000+0 records in
> 100000+0 records out
> 100000000 bytes (100 MB) copied, 3.16986 s, 31.5 MB/s

There was a bug in 2.0.0rc1 where the write-behind aggregate size was
not being honored. Also, other performance enhancements for replicate
are underway and should be available in a couple of weeks.

Avati