<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 18 Apr 2017, at 11:46, Nelson Lameiras <<a href="mailto:nelson.lameiras@lyra-network.com" class="">nelson.lameiras@lyra-network.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt;" class=""><div class="">Hello,<br class=""></div><div class=""><br data-mce-bogus="1" class=""></div><div class="">A new vm setting "maximum memory" has appeared in oVirt >4 which by default has the value "current memory”*4<br data-mce-bogus="1" class=""></div></div></div></div></blockquote><div><br class=""></div>In 4.1</div><div><br class=""><blockquote type="cite" class=""><div class=""><div class=""><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt;" class=""><div class=""><br data-mce-bogus="1" class=""></div><div class="">- Why is "maximum memory" setting necessary to set?</div></div></div></div></blockquote></div><div><blockquote type="cite" class=""><div class=""><div class=""><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt;" class=""><div class="">- Why isn't this value set to "infinity" by default ?</div></div></div></div></blockquote><div><br class=""></div><div>Because it’s recommended to be about 4x the startup size by linux kernel</div><div class=""><br class=""></div><blockquote type="cite" class=""><div class=""><div class=""><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt;" class=""><div class=""><br data-mce-bogus="1" class=""></div><div class="">It seems to me kind of uselessly counter productif to have to decide a maximum memory amount beforehand. if we do this, will we have to set maximum CPU cores also in the future (being devil's advocate here ;) )<br data-mce-bogus="1" class=""></div></div></div></div></blockquote><div><br class=""></div>You don’t have to decide, you can keep the default 4x.</div><div>For CPUs it is not currently needed and is set according to engine-config maximum supported by qemu-kvm - 288 in 4.1</div><div><br class=""></div><div>Thanks,</div><div>michal</div><div>.<br class=""><blockquote type="cite" class=""><div class=""><div class=""><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt;" class=""><div class=""><br data-mce-bogus="1" class=""></div><div class=""><div class="">I did searched oVirt documentation, but very little information is available.</div><div class="">Maybe this is an libvirt question, but I'm hopping a oVirt guru could quickly enlighten me.<br class=""></div></div><div class=""><br data-mce-bogus="1" class=""></div><div data-marker="__SIG_PRE__" class=""><div class="">cordialement, regards,</div><div class=""><br data-mce-bogus="1" class=""></div><table style="margin: 0px; table-layout: fixed; border: none; width: 345pt; padding: 0px;" data-mce-style="margin: 0px; table-layout: fixed; border: none; width: 345pt; padding: 0px;" width="460" cellspacing="0" cellpadding="0" border="0" class=""><tbody class=""><tr class=""><td style="margin: 0; font-size: 11px; font-family: Arial,sans-serif; color: #2b3c7a; line-height: 16px; width: 86.25pt; text-align: left;" data-mce-style="margin: 0; font-size: 11px; font-family: Arial,sans-serif; color: #2b3c7a; 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