[Gluster-users] Gluster performance

[Vinayakswami Hariharmath]

Hello,

I can see that you are using one brick for the volume. To get the most of
distribute volume, increase the number of bricks and see there is any
improvement.

Also, glusterfs has optimization settings for oVirt env, please do *gluster
volume set $VOLNAME group virt . *Hope this
<https://access.redhat.com/documentation/en-us/red_hat_enterprise_virtualization/3.6/html/administration_guide/sect-using_red_hat_gluster_storage_as_a_storage_domain>
document will help you

Regards
Vinayak

On Fri, Apr 9, 2021 at 12:58 AM José Ferradeira <jf at logicworks.pt> wrote:

> Hello,
>
> I'm running oVirt with Glusterfs as storage.
> On a 10GB network.
>
> Gluster version: glusterfs 6.10
>
> Configuration:
> # gluster volume info data2
>
> Volume Name: data2
> Type: Distribute
> Volume ID: 3fc4d067-f845-47bc-beae-2be0106116b9
> Status: Started
> Snapshot Count: 0
> Number of Bricks: 1
> Transport-type: tcp
> Bricks:
> Brick1: engine.pt.ags.corp:/storage/brick1
> Options Reconfigured:
> performance.client-io-threads: off
> server.event-threads: 2
> client.event-threads: 4
> cluster.choose-local: on
> user.cifs: off
> features.shard: on
> cluster.shd-wait-qlength: 10000
> cluster.locking-scheme: granular
> cluster.data-self-heal-algorithm: full
> cluster.server-quorum-type: server
> cluster.quorum-type: auto
> cluster.eager-lock: enable
> network.remote-dio: enable
> performance.low-prio-threads: 32
> performance.io-cache: off
> performance.read-ahead: off
> performance.quick-read: off
> transport.address-family: inet
> nfs.disable: on
>
>
> On the same disks I did these tests:
>
> On a NFS storage:
>
> # dd if=/dev/zero of=test5.img bs=1G count=1 oflag=dsync
> 1+0 registos dentro
> 1+0 registos fora
> 1073741824 bytes (1,1 GB) copiados, 1,70022 s, 632 MB/s
>
> # dd if=/dev/zero of=test5.img bs=5G count=1 oflag=dsync
> 0+1 registos dentro
> 0+1 registos fora
> 2147479552 bytes (2,1 GB) copiados, 2,94035 s, 730 MB/s
>
>
> On the Gluster Storage
>
> dd if=/dev/zero of=test5.img bs=1G count=1 oflag=dsync
> 1+0 registos dentro
> 1+0 registos fora
> 1073741824 bytes (1,1 GB) copiados, 2,22618 s, 482 MB/s
>
> # dd if=/dev/zero of=test5.img bs=5G count=1 oflag=dsync
> 0+1 registos dentro
> 0+1 registos fora
> 2147479552 bytes (2,1 GB) copiados, 4,10337 s, 523 MB/s
>
>
> This means that NFS is faster than Gluster?
> How can I improve Gluster performance?
>
> Thanks
>
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