<div dir="ltr">I think I wasn't precise in my questions.<div>So I will try to ask more precise questions.</div><div>1. why the default value for "load-threshold" is 80%?</div><div>2. what would be the impact to the cluster in case of "load-threshold=100%"?</div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr">Thank you,<div>Kostya</div></div></div></div>
<br><div class="gmail_quote">On Mon, May 25, 2015 at 4:11 PM, Kostiantyn Ponomarenko <span dir="ltr"><<a href="mailto:konstantin.ponomarenko@gmail.com" target="_blank">konstantin.ponomarenko@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Guys, please, if anyone can help me to understand this parameter better, I would be appreciated.<div><br></div></div><div class="gmail_extra"><br clear="all"><div><div><div dir="ltr">Thank you,<div>Kostya</div></div></div></div><div><div class="h5">
<br><div class="gmail_quote">On Fri, May 22, 2015 at 4:15 PM, Kostiantyn Ponomarenko <span dir="ltr"><<a href="mailto:konstantin.ponomarenko@gmail.com" target="_blank">konstantin.ponomarenko@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Another question - is it crmd specific to measure CPU usage by "I/O wait"?<div>And if I need to get the most performance of the running resources in cluster, should I set "load-threshold=95%" (or even 100%)?</div><div>Will it impact the cluster behavior in any ways?</div><div>The man page for crmd says that it will "The cluster will slow down its recovery process when the amount of system resources used (currently CPU) approaches this limit".</div><div>Does it mean there will be delays in cluster in moving resources in case a node goes down, or something else?</div><div>I just want to understand in better.</div><div><br></div><div>That you in advance for the help =)</div><div><br></div><div>P.S.: The main resource does a lot of disk I/Os.</div><div><br></div></div><div class="gmail_extra"><br clear="all"><div><div><div dir="ltr">Thank you,<div>Kostya</div></div></div></div><div><div>
<br><div class="gmail_quote">On Fri, May 22, 2015 at 3:30 PM, Kostiantyn Ponomarenko <span dir="ltr"><<a href="mailto:konstantin.ponomarenko@gmail.com" target="_blank">konstantin.ponomarenko@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I didn't know that.<div>You mentioned "<span style="font-size:12.8000001907349px">as opposed to other Linuxes</span>", but I am using Debian Linux.</div><div>Does it also measure CPU usage by I/O waits?</div><div>You are right about "I/O waits" (a screenshot of "top" is attached).</div><div>But why it shows 50% of CPU usage for a single process (that is the main one) while "I/O waits" shows a bigger number?</div><div><br></div></div><div class="gmail_extra"><br clear="all"><div><div><div dir="ltr">Thank you,<div>Kostya</div></div></div></div><div><div>
<br><div class="gmail_quote">On Fri, May 22, 2015 at 9:40 AM, Ulrich Windl <span dir="ltr"><<a href="mailto:Ulrich.Windl@rz.uni-regensburg.de" target="_blank">Ulrich.Windl@rz.uni-regensburg.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">>>> "Ulrich Windl" <<a href="mailto:Ulrich.Windl@rz.uni-regensburg.de" target="_blank">Ulrich.Windl@rz.uni-regensburg.de</a>> schrieb am 22.05.2015 um<br>
08:36 in Nachricht <<a href="mailto:555EEA72020000A10001A71D@gwsmtp1.uni-regensburg.de" target="_blank">555EEA72020000A10001A71D@gwsmtp1.uni-regensburg.de</a>>:<br>
<span>> Hi!<br>
><br>
> I Linux I/O waits are considered for load (as opposed to other Linuxes) Thus<br>
</span>^^ "In" s/Linux/UNIX/<br>
<br>
(I should have my coffee now to awake ;-) Sorry.<br>
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