<div dir="auto"><div>Eventually I don't fully understand reasons behind need of such service.</div><div dir="auto"><br></div><div dir="auto">As fighting with high load by migrating instances between computes is fighting with consequences rather then with root cause, not saying that it brings more negative effects then positive for experience of the end-users, as you're just moving problem to another place affecting more workloads with degraded performance.</div><div dir="auto"><br></div><div dir="auto">If you struggling from high load on a daily basis - then you have too high cpu_allocation_ratio set for computes. As high load issues always come from attempts to oversell too agressively.</div><div dir="auto"><br>If you have workloads in the cloud that always utilize all CPUs available - then you should consider having flavors and aggregates with cpu-pinning, meaning providing physical CPUs for such workloads.</div><div dir="auto"><br></div><div dir="auto">Also don't forget, that it's worth setting more realistic numbers for reserved resources on computes, because default 2gb of RAM is usually too small.</div><div dir="auto"><br></div><div dir="auto"><br><br><div class="gmail_quote" dir="auto"><div dir="ltr" class="gmail_attr">ср, 15 мар. 2023 г., 13:11 Nguyễn Hữu Khôi <<a href="mailto:nguyenhuukhoinw@gmail.com" target="_blank" rel="noreferrer">nguyenhuukhoinw@gmail.com</a>>:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">Hello. <div dir="auto">I cannot use because missing cpu_util metric. I try to match it work but not yet. It need some code to make it work. It seem none care about balance reources on cloud.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Mar 15, 2023, 6:26 PM Thomas Goirand <<a href="mailto:zigo@debian.org" rel="noreferrer noreferrer" target="_blank">zigo@debian.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On 12/11/22 01:59, Nguyễn Hữu Khôi wrote:<br>
> Watcher is not good because It need cpu metric <br>
> such as cpu load in Ceilometer which is removed so we cannot use it. <br>
<br>
Hi!<br>
<br>
What do you mean by "Ceilometer [is] removed"? It certainly isn't dead, <br>
and it works well... If by that, you mean "ceilometer-api" is removed, <br>
then yes, but then you can use gnocchi.<br>
<br>
Cheers,<br>
<br>
Thomas Goirand (zigo)<br>
<br>
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