<html><body><div style="font-family: trebuchet ms,sans-serif; font-size: 10pt; color: #000000"><div>Hello,</div><div><br data-mce-bogus="1"></div><div>I'm running oVirt with Glusterfs as storage.</div><div>On a 10GB network.</div><div><br data-mce-bogus="1"></div><div>Gluster version: glusterfs 6.10</div><div><br data-mce-bogus="1"></div><div>Configuration:</div><div># gluster volume info data2<br> <br>Volume Name: data2<br>Type: Distribute<br>Volume ID: 3fc4d067-f845-47bc-beae-2be0106116b9<br>Status: Started<br>Snapshot Count: 0<br>Number of Bricks: 1<br>Transport-type: tcp<br>Bricks:<br>Brick1: engine.pt.ags.corp:/storage/brick1<br>Options Reconfigured:<br>performance.client-io-threads: off<br>server.event-threads: 2<br>client.event-threads: 4<br>cluster.choose-local: on<br>user.cifs: off<br>features.shard: on<br>cluster.shd-wait-qlength: 10000<br>cluster.locking-scheme: granular<br>cluster.data-self-heal-algorithm: full<br>cluster.server-quorum-type: server<br>cluster.quorum-type: auto<br>cluster.eager-lock: enable<br>network.remote-dio: enable<br>performance.low-prio-threads: 32<br>performance.io-cache: off<br>performance.read-ahead: off<br>performance.quick-read: off<br>transport.address-family: inet<br>nfs.disable: on<br></div><div><br></div><div><br data-mce-bogus="1"></div><div>On the same disks I did these tests:</div><div><br data-mce-bogus="1"></div><div>On a NFS storage:</div><div><br data-mce-bogus="1"></div><div># dd if=/dev/zero of=test5.img bs=1G count=1 oflag=dsync <br> 1+0 registos dentro <br> 1+0 registos fora <br> 1073741824 bytes (1,1 GB) copiados, 1,70022 s, 632 MB/s<br> <br> # dd if=/dev/zero of=test5.img bs=5G count=1 oflag=dsync <br> 0+1 registos dentro <br> 0+1 registos fora <br> 2147479552 bytes (2,1 GB) copiados, 2,94035 s, 730 MB/s</div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>On the Gluster Storage</div><div><br data-mce-bogus="1"></div><div> dd if=/dev/zero of=test5.img bs=1G count=1 oflag=dsync <br> 1+0 registos dentro <br> 1+0 registos fora <br> 1073741824 bytes (1,1 GB) copiados, 2,22618 s, 482 MB/s<br> <br> # dd if=/dev/zero of=test5.img bs=5G count=1 oflag=dsync <br> 0+1 registos dentro <br> 0+1 registos fora <br> 2147479552 bytes (2,1 GB) copiados, 4,10337 s, 523 MB/s</div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>This means that NFS is faster than Gluster?</div><div>How can I improve Gluster performance?</div><div><br data-mce-bogus="1"></div><div>Thanks</div><div><br data-mce-bogus="1"></div><div data-marker="__SIG_POST__">-- <br></div><div><div style="color: #000000; 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