<div dir="ltr"><div><div><div><div>Hi Lyudmila,<br><br></div> Thanks again !<br></div> I will ask them.<br></div> All the best,<br></div> Luis<br><br></div><div class="gmail_extra"><br><div class="gmail_quote">2015-09-29 10:37 GMT-03:00 Lyudmila Dobysheva <span dir="ltr"><<a href="mailto:lyuka17@mail.ru" target="_blank">lyuka17@mail.ru</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">29.09.2015 14:57, Laurence Marks wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
If it happens again, one thing to ask them to check is swap usage and<br>
how much memory is cached.<br>
</blockquote></span>
...<span class=""><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Alternatively it was something else, a zombie, big log files or other<br>
things. Rebooting gets rid of a lot of system caches and helps<br>
</blockquote>
<br></span>
I stand for losing parallelization on that node due to unclear reason (maybe this bad swapping/caching threw away parallel options from the memory and all jobs had been sent to only one processor of the node).<br>
<br>
I would like to know what had administrator seen in the "1" mode of top command.<br>
<br>
Best wishes<span class="im HOEnZb"><br>
Lyudmila Dobysheva<br>
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