On Wed, Oct 3, 2012 at 12:33 PM, Florent Hivert <florent.hiv...@lri.fr> wrote:
>       Hi,
>
>> combinat.math.washington.edu is now fixed.  For some mysterious
>> reasons the ufw firewall was active, with evidently *no* rules, and it
>> was blocking most everything.   I don't know 100% for certain why this
>> happened; however, I've just done:
>>
>>   apt-get remove unattended-upgrades ufw
>>
>> so it is unlikely to happen again.
>
> Thanks !!!
>
>> Note that there was no downtime or interruption of anybody's jobs, and
>> this was not caused by over-use. (This is the only problem we have
>> ever had so far with combinat, by the way!)
>
> A few weeks ago, due to a huge memory leak in a code running in parallel on 32
> core, I had my computation killed due to a failed memory alloc. combinat was
> not very responsive for a couple of minutes but I had the impression that
> except my computations nothing suffered from it. As a consequence I didn't
> mention it. Does someone know if it is possible to know if there were some
> other consequences ?

I wouldn't worry about it at all.

 -- William

>
> Cheers,
>
> Florent
>
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>



-- 
William Stein
Professor of Mathematics
University of Washington
http://wstein.org

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