Message boards :
ATLAS application :
Very slow task download
Message board moderation
| Author | Message |
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 Send message Joined: 15 Jun 08 Posts: 2535 Credit: 254,158,225 RAC: 55,829    |
The last 2 downloads of ATLAS tasks from lhcathome-upload.cern.ch didn't reach more than 10% of the normal download speed. May be investigated by the server team. |
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Send message Joined: 14 Jan 10 Posts: 1419 Credit: 9,474,701 RAC: 2,980   |
Not here (atm): 362 MB in 51 seconds LHC@home 31 May 10:51:19 Started download of IMrKDmISVisnyYickojUe11pABFKDmABFKDmSBqQDmABFKDm3cZsVo_EVNT.14154093._002299.pool.root.1 LHC@home 31 May 10:52:10 Finished download of IMrKDmISVisnyYickojUe11pABFKDmABFKDmSBqQDmABFKDm3cZsVo_EVNT.14154093._002299.pool.root.1 |
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Send message Joined: 2 May 07 Posts: 2243 Credit: 173,902,375 RAC: 1,652 
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+1 |
 Yeti Send message Joined: 2 Sep 04 Posts: 455 Credit: 201,266,309 RAC: 24,684 |
This problem has come back  Supporting BOINC, a great concept ! |
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Send message Joined: 26 Aug 05 Posts: 68 Credit: 545,660 RAC: 0 
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Upload speed varies between 7.48 - 14.78 here. |
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Yeti Send message Joined: 2 Sep 04 Posts: 455 Credit: 201,266,309 RAC: 24,684 |
Downloads are still not working as they should ! They are very very slow, here is an example:  I have started to switch to Develop-Project Supporting BOINC, a great concept ! |
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Yeti Send message Joined: 2 Sep 04 Posts: 455 Credit: 201,266,309 RAC: 24,684 |
Develop is not really better :-( Supporting BOINC, a great concept ! |
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Send message Joined: 15 Jun 08 Posts: 2535 Credit: 254,158,225 RAC: 55,829 |
Develop is not really better :-( The task data is from the same pool. |
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Yeti Send message Joined: 2 Sep 04 Posts: 455 Credit: 201,266,309 RAC: 24,684 |
Sorry Guys, but I don't have the time to babysit my clients, they have to run alone and self-sufficient I will switch to other directions until you tell us that the problem was found and solved Supporting BOINC, a great concept ! |
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Send message Joined: 2 May 07 Posts: 2243 Credit: 173,902,375 RAC: 1,652
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Download have the same time as a task need for running (2 hours!). But, only in Wondows not in native Linux! |
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Send message Joined: 26 Aug 05 Posts: 68 Credit: 545,660 RAC: 0
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Download have the same time as a task need for running (2 hours!). Interesting. How long does it normally take to download an ATLAS work unit under Linux? |
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Send message Joined: 18 Dec 15 Posts: 1815 Credit: 118,685,306 RAC: 40,554
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As can be seen here: https://lhcathome.cern.ch/lhcathome/atlas_job.php the number of running tasks has rapidly dropped from about 15.000 to 5.000 (values as of June 22 noon) |
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Send message Joined: 15 Jun 08 Posts: 2535 Credit: 254,158,225 RAC: 55,829 |
.. How long does it normally take to download an ATLAS work unit under Linux? It doesn't matter whether you run windows or linux. It depends on the size of the files to be transferred and your internet bandwidth. Example (typical sizes and otherwise unused internet connection) dl bw: 50 Mbit/s dl size: 355 MB dl time: 57 s ul bw: 10 Mbit/s ul size: 100 MB ul time: 80 s |
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Send message Joined: 16 May 14 Posts: 15 Credit: 7,357,879 RAC: 0
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I have even tried to re-boot the computer, it did not help. Very slow.... |
Magic Quantum Mechanic Send message Joined: 24 Oct 04 Posts: 1173 Credit: 54,864,503 RAC: 15,441 
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The last 2 downloads of ATLAS tasks from lhcathome-upload.cern.ch didn't reach more than 10% of the normal download speed. About time that happened over there since it has been that way where I am since I started doing the Alpha testing for Atlas. 15 hours to d/l and 1 hour to run the tasks and then 30 mins to upload it. |
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Send message Joined: 26 Aug 05 Posts: 68 Credit: 545,660 RAC: 0
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I guess that the staff of LHC@home do not think this is a problem worth taking care of? Rosetta here I come :), I doo hope that the Rosetta project works better than this one. Thank you members of this message boards for your support anyway. |
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Send message Joined: 18 Dec 15 Posts: 1815 Credit: 118,685,306 RAC: 40,554
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As can be seen here: https://lhcathome.cern.ch/lhcathome/atlas_job.php same thing seems to happen again: drop from about 15.000 to less than 6.000 (values as of June 26 late evening): https://lhcathome.cern.ch/lhcathome/atlas_job.php |
 Send message Joined: 28 Sep 04 Posts: 728 Credit: 49,152,469 RAC: 30,225
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As can be seen here: https://lhcathome.cern.ch/lhcathome/atlas_job.php You can't read the last column on the right as it is still accumulating (currently at 7500). It takes about 8 hours for one column to gather values (if my estimate is right: 9 columns for 3 days 3*24/9=8). 
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Send message Joined: 14 Jan 10 Posts: 1419 Credit: 9,474,701 RAC: 2,980 |
LHC@home nxyNDmJI9ssnlyackoJh5iwnABFKDmABFKDmFI5WDmABFKDmjv7aXn_EVNT.14296450._001584.pool.root.1 85.947% 309165.13 K 01:17:04 57.84 Kbps Downloading LHC@home 7GSMDmO08ssnyYickojUe11pABFKDmABFKDmGVwRDmABFKDmmIx17m_EVNT.14296450._001062.pool.root.1 33.819% 312437.88 K 01:19:40 22.44 Kbps Downloading Normal speed >5000 Kbps 12 minutes later: LHC@home nxyNDmJI9ssnlyackoJh5iwnABFKDmABFKDmFI5WDmABFKDmjv7aXn_EVNT.14296450._001584.pool.root.1 86.022% 309165.13 K 01:29:40 50.02 Kbps Downloading LHC@home 7GSMDmO08ssnyYickojUe11pABFKDmABFKDmGVwRDmABFKDmmIx17m_EVNT.14296450._001062.pool.root.1 34.066% 312437.88 K 01:32:15 19.52 Kbps Downloading |
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Send message Joined: 15 Jul 05 Posts: 25 Credit: 2,393,669 RAC: 509
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count me in, the download stuck sometimes on very different percentage progress (mostly 80 to 90 % progress of the download) LHC@home LeiNDmPLhtsnyYickojUe11pABFKDmABFKDmLNIMDmABFKDmsJuyan_EVNT.14296450._001903.pool.root.1 1,054 314106,06 K 00:22:22 2,53 Kbps Herunterladend yesterday I've seen that the download runs with normal speed after restarting the boinc client. My problem is, that other projects do not download on that windows machine (Boinc 7.10.2) too as long as the download of the Atlas task has not finished. Will try to increase the buffer. Matthias |
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