<div dir="ltr">Hello,<div><br></div><div>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.</div><div><br></div><div>Also, glusterfs has optimization settings for oVirt env, please do <b>gluster volume set $VOLNAME group virt . </b>Hope <a href="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">this</a> document will help you</div><div><br></div><div>Regards</div><div>Vinayak</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Apr 9, 2021 at 12:58 AM José Ferradeira <<a href="mailto:jf@logicworks.pt">jf@logicworks.pt</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:"trebuchet ms",sans-serif;font-size:10pt;color:rgb(0,0,0)"><div>Hello,</div><div><br></div><div>I'm running oVirt with Glusterfs as storage.</div><div>On a 10GB network.</div><div><br></div><div>Gluster version: glusterfs 6.10</div><div><br></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></div><div>On the same disks I did these tests:</div><div><br></div><div>On a NFS storage:</div><div><br></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></div><div><br></div><div>On the Gluster Storage</div><div><br></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></div><div><br></div><div>This means that NFS is faster than Gluster?</div><div>How can I improve Gluster performance?</div><div><br></div><div>Thanks</div><div><br></div><div>-- <br></div><div><div style="color:rgb(0,0,0);font-family:"trebuchet ms",sans-serif;font-size:13.3333px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial"><span style="color:rgb(0,0,0)"><span style="color:rgb(0,0,0)"><a href="http://webmail.acloud.pt/home/info@logicworks.pt/Assinatura/index.html" target="_blank"></a>Com os melhores cumprimentos | Kind Regards |<span> </span></span></span><span face="arial, sans-serif" style="font-family:arial,sans-serif">Meilleures salutations | Met vriendelijke groeten,</span><span style="color:rgb(0,0,0)"><span style="color:rgb(0,0,0)"></span></span><div><span face="arial, sans-serif" style="font-family:arial,sans-serif"> </span></div><div><strong><span face="arial, sans-serif" style="font-family:arial,sans-serif;color:rgb(255,102,0)">Descubra <a href="https://youtu.be/q4Y1mWbqezo" target="_blank">AQUI</a> os novos superpoderes do Zimbra 9</span></strong></div></div><div style="color:rgb(0,0,0);font-family:"trebuchet ms",sans-serif;font-size:13.3333px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial"><span style="color:rgb(0,0,0)"></span><br></div><div style="color:rgb(0,0,0);font-family:"trebuchet 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