[Gluster-users] Gluster performance on the small files

[Punit Dambiwal]

Hi,

My VM disk are based on RAW...

On Sat, Feb 14, 2015 at 4:08 PM, Samuli Heinonen <samppah at neutraali.net>
wrote:

> Hi!
>
> What image type you are using to store virtual machines? For example using
> sparse QCOW2 images is much slower than preallocated RAW images.
> Performance with QCOW2 should get better after image file has grown bigger
> and it's not necessary to resize sparse image anymore.
>
> Best regards,
> Samuli Heinonen
>
>
> On 13.2.2015, at 8.58, Punit Dambiwal <hypunit at gmail.com> wrote:
>
> Hi,
>
> I have seen the gluster performance is dead slow on the small files...even
> i am using the SSD....it's too bad performance....even i am getting better
> performance in my SAN with normal SATA disk...
>
> I am using distributed replicated glusterfs with replica count=2...i have
> all SSD disks on the brick...
>
> root at vm3:~# dd bs=64k count=4k if=/dev/zero of=test oflag=dsync
>
> 4096+0 records in
>
> 4096+0 records out
>
> 268435456 bytes (268 MB) copied, 57.3145 s, 4.7 MB/s
>
>
> root at vm3:~# dd bs=64k count=4k if=/dev/zero of=test conv=fdatasync
>
> 4096+0 records in
>
> 4096+0 records out
>
> 268435456 bytes (268 MB) copied, 1.80093 s, 149 MB/s
>
>
> Thanks,
>
> Punit
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>
>
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