Message boards : Number crunching : This guy really needs to check his computer, or overclock less...
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Skligmund

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Message 8629 - Posted: 17 Jul 2005, 8:17:20 UTC
Last modified: 17 Jul 2005, 8:17:38 UTC

http://lhcathome.cern.ch/show_host_detail.php?hostid=38738

What a waste of time and energy for this crap, these people ever notice? I usually (in winter) overclock my computers insanely (reletively) and always make sure they perform properly.
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Skligmund

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Message 8630 - Posted: 17 Jul 2005, 8:27:35 UTC - in response to Message 8629.  

so does this guy....

http://lhcathome.cern.ch/results.php?hostid=7053


Is there a way to make the system quit sending work units to computers that repeatedly send back errors this rapidly? And leave a message in the messages tab or something indicating to the user of the defective host that the host will not recieve work units until the project is reset on the host? Hopefully indicating he realizes his computer's flaws and fixes them, otherwise more zeros will be sent back, and he will get the message again ect. Set it at a leanient 10 consecutive client errors or something.....

Is this a possible solution to this issue?
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Profile Ocean Archer
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Message 8635 - Posted: 17 Jul 2005, 12:05:50 UTC

Wonder if he got some -106 error messages and tried to force the project to accept the completed data ... that'll cause validation errors, but shouldn't get credit for it.

Hmmm, puzzling it is ..


If I've lived this long, I've gotta be that old
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Profile Tigher

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Message 8636 - Posted: 17 Jul 2005, 12:11:50 UTC
Last modified: 17 Jul 2005, 12:13:08 UTC

I notice he is using 4.70 which is alpha I believe. Seti users are having the same problem.....not necessarily O/C me thinks. He needs to move to 4.71....so he can a different but equally challenging problem set.

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Profile Ocean Archer
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Message 8637 - Posted: 17 Jul 2005, 12:21:16 UTC - in response to Message 8629.  

> http://lhcathome.cern.ch/show_host_detail.php?hostid=38738
>
> What a waste of time and energy for this crap, these people ever notice? I
> usually (in winter) overclock my computers insanely (reletively) and always
> make sure they perform properly.
>

Here's the information on the computer in question :

GenuineIntel x86 Family 6 Model 8 Stepping 3 733MHz

Looks like a Intel P3 machine with 128meg of memory -- hardly a unit one would try to overclock. It might be a machine that was started and left on a shelf unattended, and the owner has no knowledge of the problem ...


If I've lived this long, I've gotta be that old
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Skligmund

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Message 8644 - Posted: 17 Jul 2005, 19:28:15 UTC

Exactly why I think work units should be stopped to such hosts, until the user checks it, and notices the problem.
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Profile Fuzzy Hollynoodles
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Message 8647 - Posted: 17 Jul 2005, 20:26:49 UTC

This computer doesn't look good either:

[url=http://lhcathome.cern.ch/show_host_detail.php?hostid=39958]http://lhcathome.cern.ch/show_host_detail.php?hostid=39958<a>
"I'm trying to maintain a shred of dignity in this world" - Me
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John McLeod VII
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Message 8650 - Posted: 18 Jul 2005, 2:28:09 UTC - in response to Message 8644.  

> Exactly why I think work units should be stopped to such hosts, until the user
> checks it, and notices the problem.
>
The machines in question will be reduced to 1 WU / day by the quota reduction system. Each UL/DL/Client error or late result will reduce the daily quota by one. The quota increases when the machine starts sending valid results.


BOINC WIKI
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Heffed

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Message 8655 - Posted: 18 Jul 2005, 4:21:42 UTC - in response to Message 8636.  

> I notice he is using 4.70 which is alpha I believe. Seti users are having the
> same problem.....not necessarily O/C me thinks.

I'm having no problems with 4.70.
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Profile Alex

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Message 8659 - Posted: 18 Jul 2005, 6:37:54 UTC


I doubt that he's overclocking.
Sounds like an issue of memory usage, or the 'keep results in memory' setting of boinc. Or the Operating system's paging file. Or disk space for paging file...
I wish I spoke Spanish.. if only for the accent.

-185 (0xffffff47)

"failed - El archivo de paginaci�n es demasiado peque�o para completar la operaci�n. "

Babelfish translation of error in his log
"failed - the file of paginaci?n is too much peque?o to complete operaci?n."

.. the page file is too much peque?o to complete operation ...


I'm not the LHC Alex. Just a number cruncher like everyone else here.
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Skligmund

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Message 8661 - Posted: 18 Jul 2005, 6:51:09 UTC - in response to Message 8650.  

Quote:
"The machines in question will be reduced to 1 WU / day by the quota reduction
system. Each UL/DL/Client error or late result will reduce the daily quota by one. The quota increases when the machine starts sending valid results."



That's good to know!
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Heffed

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Message 8665 - Posted: 18 Jul 2005, 9:24:36 UTC - in response to Message 8659.  

> Babelfish translation of error in his log
> "failed - the file of paginaci?n is too much peque?o to complete operaci?n."
>
> .. the page file is too much peque?o to complete operation ...

It's having trouble with special characters. Peque?o is probably pequeño, which means small.
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Profile Ageless
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Message 8669 - Posted: 18 Jul 2005, 14:48:50 UTC - in response to Message 8650.  

> > Exactly why I think work units should be stopped to such hosts, until the
> user
> > checks it, and notices the problem.
> >
> The machines in question will be reduced to 1 WU / day by the quota reduction
> system. Each UL/DL/Client error or late result will reduce the daily quota by
> one. The quota increases when the machine starts sending valid results.
>

Does LHC have a download quota? I can't find it anywhere.
Jord

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Gaspode the UnDressed

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Message 8671 - Posted: 18 Jul 2005, 15:46:51 UTC - in response to Message 8669.  


> Does LHC have a download quota? I can't find it anywhere.
>

Yes - it's set to 100 units per day, I think. It may have changed - at one point it was up and down like a fiddler's elbow!

Giskard
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tannengruen
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Message 8861 - Posted: 23 Jul 2005, 19:24:38 UTC

The same here: http://lhcathome.cern.ch/results.php?hostid=35686
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Profile David C Thompson

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Message 8945 - Posted: 26 Jul 2005, 20:58:15 UTC - in response to Message 8629.  
Last modified: 26 Jul 2005, 20:58:33 UTC

> http://lhcathome.cern.ch/show_host_detail.php?hostid=38738
>
> What a waste of time and energy for this crap, these people ever notice? I
> usually (in winter) overclock my computers insanely (reletively) and always
> make sure they perform properly.
>

Hopefully as LHC and BOINC grow there will be updates to how work is distributed. They faced a similar situation with SETI@Home wherein some WUs could not be downloaded at all, and other WUs could not be downloaded by certain client versions (namely old ones). They corrected it by adding a WU rate limiter and cancelling some WUs that repeatedly failed. That exact fix won't work here, but hopefully it gives some ideas.


---
<a href="http://www.davidcthompson.com">David C Thompson</a>, intellectual property law.

<a href="http://slaps.stanford.edu">Stanford Law and Policy Society</a>
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Jayargh

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Message 8956 - Posted: 27 Jul 2005, 1:03:50 UTC - in response to Message 8671.  

>
> > Does LHC have a download quota? I can't find it anywhere.
> >
>
> Yes - it's set to 100 units per day, I think. It may have changed - at one
> point it was up and down like a fiddler's elbow!
>
> Giskard
>
Yes it is at 100 units a day and comes into serious play top 100 hosts with 100k workunits unlike the million turn we are doing now. Less than an hour apiece (info for the newcomers)
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Profile Paul D. Buck

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Message 8958 - Posted: 27 Jul 2005, 3:24:26 UTC

For me the 10K run about 10 minutes tops. The 100K as stated less than an hour. The 1M take around 10 hours.
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Vedran Brnjetic
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Message 9015 - Posted: 29 Jul 2005, 6:36:54 UTC

This guy also: http://lhcathome.cern.ch/show_host_detail.php?hostid=34918
<img border="0" src="http://boinc.mundayweb.com/one/stats.php?userID=2328&amp;trans=off" />
<img border="0" src="http://boinc.mundayweb.com/one/stats.php?userID=2328&amp;prj=5&amp;trans=off" />
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Vid Vidmar*
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Message 9018 - Posted: 29 Jul 2005, 8:21:29 UTC - in response to Message 9015.  

> This
> guy also: http://lhcathome.cern.ch/show_host_detail.php?hostid=34918

With this one, the problem is, BURP somehow took over LHC. (or was it the other way around?)

Happy crunching,
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