Message boards : ATLAS application : Draining ATLAS tasks ahead of storage migration
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maeax

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Message 34765 - Posted: 27 Mar 2018, 16:33:23 UTC - in response to Message 34763.  

What I still don't understand though: the number of "unsent" tasks in the Project Status Page is going up (it's 245 right now, in contrast to 198 as 1 hour ago) - and still I cannot download any. BOINC keeps saying "no tasks are available for ATLAS Simulation" -

something seems to go wrong :-(

native Linux-App got WU. So this is correct from the Server-stats.
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Erich56

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Message 34766 - Posted: 27 Mar 2018, 16:54:22 UTC

It's really too bad that
https://lhcathome.cern.ch/ATLAS/atlas_job.php
does no longer work :-(((
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David Cameron
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Message 34768 - Posted: 27 Mar 2018, 17:29:42 UTC - in response to Message 34766.  

It's really too bad that
https://lhcathome.cern.ch/ATLAS/atlas_job.php
does no longer work :-(((


Is this the page you are looking for? http://atlasathome.cern.ch/atlas_job.php
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maeax

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Message 34769 - Posted: 27 Mar 2018, 17:29:50 UTC - in response to Message 34745.  

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Erich56

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Message 34770 - Posted: 27 Mar 2018, 18:24:43 UTC - in response to Message 34769.  

Is this the page you are looking for? http://atlasathome.cern.ch/atlas_job.php
yes, it is.

This is the page for now:
http://lhcathome.web.cern.ch/projects/atlas
thanks, guys, for the information.
However, I notice that the above two pages are showing different results. How come?
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Erich56

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Message 34771 - Posted: 27 Mar 2018, 18:26:09 UTC - in response to Message 34765.  

What I still don't understand though: the number of "unsent" tasks in the Project Status Page is going up (it's 245 right now, in contrast to 198 as 1 hour ago) - and still I cannot download any. BOINC keeps saying "no tasks are available for ATLAS Simulation" -

something seems to go wrong :-(

native Linux-App got WU. So this is correct from the Server-stats.
The server status page now shows 416 "unsent" tasks. Still all of them Linux only? My Windows machine doesn't download any?
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computezrmle
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Message 34772 - Posted: 27 Mar 2018, 19:50:48 UTC - in response to Message 34771.  

The server status page now shows 416 "unsent" tasks. Still all of them Linux only? My Windows machine doesn't download any?

There's no "linux only".
The principle is more like "first come, first serve".
And the status page does only show an infrequently updated snapshot.
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Message 34775 - Posted: 28 Mar 2018, 7:21:55 UTC

Got my first upload problem with the new backend this morning.
https://lhcathome.cern.ch/lhcathome/result.php?resultid=185903051

Mi 28 Mär 2018 08:20:24 CEST | LHC@home | Computation for task E7sMDmzizKsnyYickojUe11pABFKDmABFKDmK2HQDmABFKDmKb3zzm_0 finished
Mi 28 Mär 2018 08:20:26 CEST | LHC@home | Started upload of E7sMDmzizKsnyYickojUe11pABFKDmABFKDmK2HQDmABFKDmKb3zzm_0_r400670470_ATLAS_result

89% (of 0.2 GB) were uploaded when:
Mi 28 Mär 2018 09:03:45 CEST | LHC@home | Backing off 00:03:57 on upload of E7sMDmzizKsnyYickojUe11pABFKDmABFKDmK2HQDmABFKDmKb3zzm_0_r400670470_ATLAS_result

Finally:
Mi 28 Mär 2018 09:07:43 CEST | LHC@home | Started upload of E7sMDmzizKsnyYickojUe11pABFKDmABFKDmK2HQDmABFKDmKb3zzm_0_r400670470_ATLAS_result
Mi 28 Mär 2018 09:08:07 CEST | LHC@home | Finished upload of E7sMDmzizKsnyYickojUe11pABFKDmABFKDmK2HQDmABFKDmKb3zzm_0_r400670470_ATLAS_result
Mi 28 Mär 2018 09:08:07 CEST | LHC@home | Sending scheduler request: To report completed tasks.
Mi 28 Mär 2018 09:08:07 CEST | LHC@home | Reporting 1 completed tasks
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computezrmle
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Message 34776 - Posted: 28 Mar 2018, 7:49:08 UTC

Can't get more than 1 ATLAS task per host/BOINC instance.
Preferences are set to 3.
Local buffers can hold several days.

Is there a server limit?
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Message 34779 - Posted: 28 Mar 2018, 10:23:47 UTC - in response to Message 34776.  

Can't get more than 1 ATLAS task per host/BOINC instance. ... Is there a server limit?
Similar situation here -
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Message 34782 - Posted: 28 Mar 2018, 15:52:53 UTC - in response to Message 34776.  

Can't get more than 1 ATLAS task per host/BOINC instance.
Preferences are set to 3.
Local buffers can hold several days.

Is there a server limit?
my pc has downloaded 2 tasks without a problem and is now at 1 running with 3 in local buffer (preferences for this pc are 4 tasks). so dont think that there is some kind of server limit.


The principle is more like "first come, first serve".
Isnt there also a "reliable hosts first" policy
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Message 34783 - Posted: 28 Mar 2018, 16:47:32 UTC - in response to Message 34782.  

my pc has downloaded 2 tasks without a problem and is now at 1 running with 3 in local buffer (preferences for this pc are 4 tasks). so dont think that there is some kind of server limit.
I have 2 ATLAS tasks running, but would like to have 2 more in local buffer. Before, this never was a problem. Now the situation is that I CANNOT download and tasks for keeping in buffer - only if a finished tasks was uploaded, a new task downloads right away.
So I guess that definitely some server-side settings have been made to result in the behaviour described above.
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Message 34817 - Posted: 30 Mar 2018, 19:30:25 UTC

have you removed the max concurrent running tasks cap or is it still in place?
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Message 34824 - Posted: 30 Mar 2018, 23:54:24 UTC - in response to Message 34817.  

have you removed the max concurrent running tasks cap or is it still in place?

Maybe this is the source of my problem?
https://lhcathome.cern.ch/lhcathome/forum_thread.php?id=4139&postid=34820#34820
Regards,
Bob P.
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Erich56

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Message 34826 - Posted: 31 Mar 2018, 5:55:44 UTC - in response to Message 34817.  
Last modified: 31 Mar 2018, 5:55:55 UTC

have you removed the max concurrent running tasks cap or is it still in place?
the maximum concurrent running tasks is still in place (the number is: 2).

But this I had for long time now; and until short time ago, it did NOT prevent more ATLAS tasks from downloading (in order to have them in a local buffer).
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gyllic

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Message 34827 - Posted: 31 Mar 2018, 6:30:21 UTC

thx for your answers, but i meant the cap that was introduced due to the server problems before the migration, i.e. the e.g. project wide 10.000 tasks cap
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Message boards : ATLAS application : Draining ATLAS tasks ahead of storage migration


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