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World Community Grid Forums
Category: Support
Forum: BOINC Agent Support
Thread: Computing for water or weather project error |
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Thread Status: Active Total posts in this thread: 6
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Hello,
Everytime Boinc calculate for one of those projects, the system calculate but the work don't progress. Sometime it's about 10% then it does down to 7 or 6%. My boinc software is up to date, as always. Any idea ? Thanks! |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Hi, welcome to the forums.
Would you please visit the message log and copy / paster them into a reply. We do water, not weather, so can't answer to any latter related problems. Question: Is this percent dropping during uninterrupted operation or do you see it after a client or task restart? This would be normal. Whilst we understand ''up to date'', still like to know OS and client version. A copy of the start-up messages from the client would reveal this all to us and how the client is installed to allow better help in context. ttyl |
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SteveP_UK
Cruncher Joined: Dec 16, 2008 Post Count: 2 Status: Offline Project Badges: 
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I have the same kind of problem with the Clean Energy Prj Phs 2.
While the projects is running it jumps backwards in progress. Noticed it when it was 51%. It got to approx 55% and when I looked again it was 51%. The machine was just running, doing day-to-day tasks. A few of those were CPU heavy. This is not the first work unit that's done this. Last once I cancelled. It's almost as if it computes an error and rolls back to the last check point and starts again. This is causing my work units to miss the expected completion time. |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Suggest you check the "Leave Application in Memory" when suspended box, if the computer is running "CPU Heavy" tasks than the wu will be suspended until there are free cycles for it, with out LAIM checked it will restart from last check point, with it checked it will carry on where it left off.
Note: none of this applies if computer is powered down or restarted |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
SteveP_UK,
To add to freski's, when you see progress skipping back, you might have the setting selected to suspend computing whilst using the computer. When the setting is selected to suspend computing when the non-BOINC CPU load is over 25% [default], same happens [WCG default is 50% after extensive testing!] i.e. LAIM on, specifically advised for CEP2 with the far apart checkpoints. If you suspect something fails, visit the message/event log in the BOINC Manager. Heartbeat checkin failure and similar could lead to occasional skip backs to last checkpoint. This is a safety to ensure that the result recorded up to that point does not contain bad bits. --//-- |
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SteveP_UK
Cruncher Joined: Dec 16, 2008 Post Count: 2 Status: Offline Project Badges:
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Thank you. It's certainly better and progress doesn't keep rolling back now in times where CPU is "overloaded".
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