<div dir="ltr">Hey,<div><br></div><div>Forwarding to the Dev list as you may get a better response from there.</div><div><br></div><div>Thanks,</div><div><br></div><div>Amy (spotz)</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jul 5, 2018 at 11:30 PM, Keynes Lee/WHQ/Wistron <span dir="ltr"><<a href="mailto:Keynes_Lee@wistron.com" target="_blank">Keynes_Lee@wistron.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">





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<p class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">Hi <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:Consolas"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">When making “cinder backup-create”<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">We found the process “cinder-backup” use 100% util of 1 CPU core on an OpenStack Controller node.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">It not just causes a bad backup performance, also make the openstack-cinder-backup unstable.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">Especially when we make several backup at the same time.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:Consolas"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">The Controller Node has 40 CPU cores.
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">Can we assign more CPU resources to cinder-backup ?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:Consolas"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
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<b><span lang="EN-US" style="font-size:14.0pt;line-height:115%;font-family:"\0065b0\007d30\00660e\009ad4-ExtB",serif;color:#00589a">Keynes  Lee   
</span></b><b><span style="font-size:14.0pt;line-height:115%;font-family:"\0065b0\007d30\00660e\009ad4",serif;color:#00589a">李</span></b><b><span style="font-size:14.0pt;line-height:115%;font-family:"\0065b0\007d30\00660e\009ad4-ExtB",serif;color:#00589a">
</span></b><b><span style="font-size:14.0pt;line-height:115%;font-family:"\0065b0\007d30\00660e\009ad4",serif;color:#00589a">俊</span></b><b><span style="font-size:14.0pt;line-height:115%;font-family:"\0065b0\007d30\00660e\009ad4-ExtB",serif;color:#00589a">
</span></b><b><span style="font-size:14.0pt;line-height:115%;font-family:"\0065b0\007d30\00660e\009ad4",serif;color:#00589a">賢</span></b><span lang="EN-US" style="font-size:14.0pt;line-height:115%;font-family:"Futura Bk";color:#404040"><u></u><u></u></span></p>
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<span lang="EN-US" style="font-family:"Futura Bk";color:black">Direct:</span><span lang="EN-US" style="font-size:11.0pt;line-height:115%;font-family:"Futura Bk";color:black"><u></u><u></u></span></p>
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<span lang="EN-US" style="font-family:"Futura Bk";color:black">+886-2-6612-1025</span><span lang="EN-US" style="font-size:11.0pt;line-height:115%;font-family:"Futura Bk";color:black"><u></u><u></u></span></p>
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<span lang="EN-US" style="font-family:"Futura Bk";color:black">Mobile:</span><span lang="EN-US" style="font-size:11.0pt;line-height:115%;font-family:"Futura Bk";color:black"><u></u><u></u></span></p>
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<span lang="EN-US" style="font-family:"Futura Bk";color:black">+886-9-1882-3787</span><span lang="EN-US" style="font-size:11.0pt;line-height:115%;font-family:"Futura Bk";color:black"><u></u><u></u></span></p>
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<span lang="EN-US" style="font-family:"Futura Bk";color:black">Fax:</span><span lang="EN-US" style="font-size:11.0pt;line-height:115%;font-family:"Futura Bk";color:black"><u></u><u></u></span></p>
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<span lang="EN-US" style="font-family:"Futura Bk";color:black">+886-2-6612-1991</span><span lang="EN-US" style="font-size:11.0pt;line-height:115%;font-family:"Futura Bk";color:black"><u></u><u></u></span></p>
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<span lang="EN-US" style="font-size:11.0pt;line-height:115%;font-family:"\0065b0\007d30\00660e\009ad4-ExtB",serif;color:black"><u></u> <u></u></span></p>
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<span lang="EN-US" style="font-family:"Futura Bk";color:black">E-Mail:</span><span lang="EN-US" style="font-size:11.0pt;line-height:115%;font-family:"Futura Bk";color:black"><u></u><u></u></span></p>
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<span lang="EN-US" style="font-family:"Futura Bk";color:#1f497d"><a href="mailto:keynes_lee@wistron.com" target="_blank"><span style="color:blue">keynes_lee@wistron.com</span></a></span><span lang="EN-US" style="font-size:11.0pt;line-height:115%;font-family:"Futura Bk";color:black"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
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