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<body class='hmmessage'><div dir='ltr'>I change ioengine to libaio. Result is better.<div><br></div><div><div>randread IOPS: 28681</div><div>randwrite IOPS: 9564</div><div><span style="font-size: 12pt;">sequential read throughput</span>: 110MB/s</div><div>sequential write throughput: 37MB/s</div></div><div><br></div><div><div><hr id="stopSpelling">From: zhang.hongzhou@hotmail.com<br>To: sheepdog-users@lists.wpkg.org<br>Subject: Is qemu faster than sbd?<br>Date: Thu, 20 Aug 2015 16:47:22 +0000<br><br>
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<div dir="ltr">Hi experts,<div><br></div><div>I mounted sbd as ext4 and tested IOPS for 4k rand/seq rw</div><div><br></div><div>32 sheep, 3-replica. Backend is ssd.</div><div><br></div><div>The result is much slower than testing on bear ssd.</div><div>randread IOPS: 16732</div><div>randwrite IOPS: 1436</div><div><span style="font-size:12pt;">sequential read throughput</span>: 64MB/s</div><div>sequential write throughput: 6MB/s</div><div><br></div><div>I saw some <span style="font-size:12pt;">qemu fio test </span><span style="font-size:12pt;">results from COJ2015 presentation, which is much better.</span></div><div><span style="font-size:12pt;"><br></span></div><div>Is my sbd performance result solid? Or maybe it's configuration difference?</div><div><span style="font-size:12pt;"><br></span></div><div><span style="font-size:12pt;">B.R.</span></div><div>Hongzhou</div> </div></div></div> </div></body>
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