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World Community Grid Forums
Category: Support
Forum: BOINC Agent Support
Thread: Computer not asking for new work unit |
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Thread Status: Active Total posts in this thread: 10
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Hi, I've been using BOINC to run several BOINC projects including World Community Grid. I have only seen FightAIDS@Home projects being worked on with my computers. I have checked all three of World community projects for my computer. Once before and now again, the BOINC client finished a work unit for FightAIDS@home and has not asked for a new work unit. The last time this happened, I reset the project and it didn't help so I detached from the project for a few days and reattached and was finally able to get work. Is there something I don't know or is this unusual?
Walter Lees |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
What message did BOINC give when it got no work?
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
It wasn't that it tried to download a work unit. It just never asked the server for one.
10/25/2006 6:11:01 AM|SETI@home|Resuming task 13my03aa.5389.13761.254826.3.165_2 using setiathome_enhanced version 515 10/25/2006 6:11:02 AM||Using earliest-deadline-first scheduling because computer is overcommitted. 10/25/2006 6:11:03 AM|World Community Grid|Restarting task faah0838_bdb193_mx1sgu_05_1 using faah version 526 10/25/2006 6:11:03 AM|SETI@home|Pausing task 13my03aa.5389.13761.254826.3.165_2 (left in memory) 10/25/2006 6:11:03 AM||Suspending work fetch because computer is overcommitted. 10/25/2006 11:58:06 AM||Allowing work fetch again. 10/25/2006 11:58:07 AM||Rescheduling CPU: application exited 10/25/2006 11:58:07 AM|World Community Grid|Computation for task faah0838_bdb193_mx1sgu_05_1 finished 10/25/2006 11:58:07 AM||Resuming round-robin CPU scheduling. 10/25/2006 11:58:07 AM|SETI@home|Resuming task 13my03aa.5389.13761.254826.3.165_2 using setiathome_enhanced version 515 10/25/2006 11:58:09 AM|World Community Grid|Started upload of file faah0838_bdb193_mx1sgu_05_1_0 10/25/2006 11:58:09 AM|World Community Grid|Started upload of file faah0838_bdb193_mx1sgu_05_1_1 10/25/2006 11:58:13 AM|World Community Grid|Finished upload of file faah0838_bdb193_mx1sgu_05_1_0 10/25/2006 11:58:13 AM|World Community Grid|Throughput 14023 bytes/sec 10/25/2006 11:58:22 AM|World Community Grid|Finished upload of file faah0838_bdb193_mx1sgu_05_1_1 10/25/2006 11:58:22 AM|World Community Grid|Throughput 65880 bytes/sec |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Seems clear enough to me. BOINC had too much work cached, so it stopped downloading new work and concentrated on SETI for a while. BOINC uses some complicated scheduling algorithms so it doesn't miss deadlines, downloads the optimum amount of work, and (on average) achieves the project weighting you have chosen.
Let BOINC manage its own workload. Only people with too much time to spare try and improve on the automatic behaviour. |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
The computer hasn't suspend work fetch. The SETI project only has four hours left at 65% for its current work unit. In fact, I was able to start a new project "Rosetta" and download it's first WU while WCG is still idle with no units to work on.
I have tried suspending the WCG project and re-activating it. Telling it not to seek further work units and then telling it to reseek work units. Unattaching the projet and reattaching the project. And Updating in between each request. All with the intent to wake it up, with no success. |
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
Since u have pre-empting to keep the WU in memory, the acid test to perform is to go to Projects tab and suspend ALL BUT WCG. Then select WCG and hit update. If still nothing comes, i'll be lost for words.
----------------------------------------How Hi / Low is the WCG % on the sum of your projects i.e. is it getting 5%, 10% 50%. If e.g. 5%, it will wait its turn much longer. BOINC has the smarts to wait with work retrieval until it knows it can handle it.....seen it on various projects like Rosetta....i.e. nothing in the work buffer until it is up for it. With BOINCview u can actually see the Long Term and Short Term Debt for each project. If WCG is negative, it should not be pulling work until it's build up enough time credit. cheers.
WCG
----------------------------------------Please help to make the Forums an enjoyable experience for All! [Edit 2 times, last edit by Sekerob at Oct 25, 2006 9:45:54 PM] |
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
To Add, according to BOINCview 2 of the 4 projects i run have status "Overworked". Neither have Work Units in the buffer!
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WCG
Please help to make the Forums an enjoyable experience for All! |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Well, I finally reset the project, (what exactly does reset the project do?) and it has downloaded a work unit.
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
Well, we hope u took the time of reading the explanation above as to the why u were not getting work!
----------------------------------------Reset removes all remaining project files related to WCG and returns the LTD/STD to zero.
WCG
----------------------------------------Please help to make the Forums an enjoyable experience for All! [Edit 1 times, last edit by Sekerob at Oct 25, 2006 10:22:20 PM] |
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
For the interested that want to know why they sometimes do not get work:
---------------------------------------- FOLLOW-UP: Duration Correction Factor JM7 posted a nugget of information I missed about how DCF is used in this S@H post . Actually, ROM missed a little. A score less than 1 means that your computer finishes work faster than expected for its benchmarks. A score that is higher indicates that it finishes slower than expected for its benchmarks. It is calculated as a safety for the CPU scheduler (finish on time) and work fetch (not too much), therefore under estimates are corrected very quickly (single step) and over estimates are corrected much more cautiously. Thanks John. ----- Rom
WCG
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