Gluster performance

[José Ferradeira <jf@xxxxxxxxxxxxx>]

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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José Ferradeira

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Logicworks Tecnologias de Informática
http://www.logicworks.pt

www.acloud.pt

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