<div dir="auto"><div>What is IOPs what does it mean?</div><div><br></div><div data-smartmail="gmail_signature">Tahari.Abdeslam</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">Le mar. 14 avr. 2026, 13:06, Andreas Dilger via lustre-discuss <<a href="mailto:lustre-discuss@lists.lustre.org">lustre-discuss@lists.lustre.org</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Using "lljobstat" is potentially even better than llstat, if you have JobStats enabled.<br>
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As mentioned in the other email, lustrefs-exporter + Grafana is best for large-scale monitoring, vs. node-local debugging.<br>
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Cheers, Andreas<br>
<br>
On Apr 13, 2026, at 11:31, Vicker, Darby J. (JSC-EG311)[AMENTUM TECHNOLOGY, INC] via lustre-discuss <<a href="mailto:lustre-discuss@lists.lustre.org" target="_blank" rel="noreferrer">lustre-discuss@lists.lustre.org</a>> wrote:<br>
> <br>
> The llstat executable that is part of lustre is my go-to. Running "llstat -i 1 mdt\u201d on and MDS will give you a pretty good feel for what\u2019s happening on at given MDS. It\u2019s useful to part these and send to a graphana instance for history and graphing. <br>
> <br>
> From: lustre-discuss <<a href="mailto:lustre-discuss-bounces@lists.lustre.org" target="_blank" rel="noreferrer">lustre-discuss-bounces@lists.lustre.org</a>> on behalf of Robert Pennington via lustre-discuss <<a href="mailto:lustre-discuss@lists.lustre.org" target="_blank" rel="noreferrer">lustre-discuss@lists.lustre.org</a>><br>
> Date: Monday, April 13, 2026 at 4:14\u202fAM<br>
> To: <a href="mailto:lustre-discuss@lists.lustre.org" target="_blank" rel="noreferrer">lustre-discuss@lists.lustre.org</a> <<a href="mailto:lustre-discuss@lists.lustre.org" target="_blank" rel="noreferrer">lustre-discuss@lists.lustre.org</a>><br>
> Subject: [EXTERNAL] [BULK] [lustre-discuss] IOPS monitoring<br>
> <br>
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> <br>
> <br>
> <br>
>> Hello all,<br>
>> <br>
>> What\u2019s the best way to monitor Lustre IOPS? I can\u2019t seem to find an up-to-date solution.<br>
>> <br>
>> Sincerely,<br>
>> Robert Pennington, PhD<br>
>> <br>
>> HPC/AI Cluster Administrator<br>
>> <br>
>> Tuebingen AI Center, Universitaet Tuebingen<br>
>> Maria von Linden Str. 1<br>
>> 72076 Tuebingen<br>
>> Germany <br>
>> <br>
>> Office number: A-316<br>
> <br>
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<br>
---<br>
Andreas Dilger<br>
Principal Lustre Architect<br>
<a href="mailto:adilger@thelustrecollective.com" target="_blank" rel="noreferrer">adilger@thelustrecollective.com</a><br>
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