<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<style type="text/css" style="display:none;"><!-- P {margin-top:0;margin-bottom:0;} --></style>
</head>
<body dir="ltr">
<div id="divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif;" dir="ltr">
<p style="margin-top:0;margin-bottom:0">Hi Chris,</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">Our SchedulerParameters are...</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0"><span>SchedulerParameters     = bf_window=3600,bf_resolution=180,bf_max_job_user=4</span><br>
</p>
<p style="margin-top:0;margin-bottom:0"><span><br>
</span></p>
<p style="margin-top:0;margin-bottom:0"><span>I gather that the "bf_window" should be as high as the highest maximum time limit on the partitions (set at 2.5 days = 3600 minutes).  </span></p>
<p style="margin-top:0;margin-bottom:0"><span><br>
</span></p>
<p style="margin-top:0;margin-bottom:0"><span>Best regards,</span></p>
<p style="margin-top:0;margin-bottom:0"><span>David</span></p>
</div>
<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> slurm-users <slurm-users-bounces@lists.schedmd.com> on behalf of Chris Samuel <chris@csamuel.org><br>
<b>Sent:</b> 20 November 2018 20:12:20<br>
<b>To:</b> slurm-users@lists.schedmd.com<br>
<b>Subject:</b> Re: [slurm-users] Excessive use of backfill on a cluster</font>
<div> </div>
</div>
<div class="BodyFragment"><font size="2"><span style="font-size:11pt;">
<div class="PlainText">On Tuesday, 20 November 2018 11:42:49 PM AEDT Baker D. J.  wrote:<br>
<br>
> We are running Slurm 18.08.0 on our cluster and I am concerned that Slurm<br>
> appears to be using backfill scheduling excessively.<br>
<br>
What are your SchedulerParameters ?<br>
<br>
All the beest,<br>
Chris<br>
-- <br>
 Chris Samuel  :  <a href="https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.csamuel.org%2F&amp;data=01%7C01%7Cd.j.baker%40soton.ac.uk%7C70aff0a3357841882ce008d64f249cc2%7C4a5378f929f44d3ebe89669d03ada9d8%7C1&amp;sdata=YNtrwutsMkRoglVy%2FT3p%2FqqsDKVoskbOOm1MIEKlbGo%3D&amp;reserved=0">
https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.csamuel.org%2F&amp;data=01%7C01%7Cd.j.baker%40soton.ac.uk%7C70aff0a3357841882ce008d64f249cc2%7C4a5378f929f44d3ebe89669d03ada9d8%7C1&amp;sdata=YNtrwutsMkRoglVy%2FT3p%2FqqsDKVoskbOOm1MIEKlbGo%3D&amp;reserved=0</a> 
 :  Melbourne, VIC<br>
<br>
<br>
<br>
<br>
</div>
</span></font></div>
</body>
</html>