Hi, after recent small problems with a wu I wuold like to know if there is a way to stop preempting wus until the end of the current running wu.

thanks in advance

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Only by crunching only one project, or by setting the preference "switch between applications" to something exorbitant high. Or you could suspend the other projects/results.

I hope you posted on the project's forums about your troubles, gave them all the information necessary for them to look into why it is doing that? Remember, BOINC doesn't crunch. So any result hanging isn't necessarily BOINC's fault. Always suspect the science application first and thus post about it on that project's forums.

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Only by crunching only one project, or by setting the preference "switch between applications" to something exorbitant high

I also thinked that. but if, for example, I set switch between applications to 12hours and a WU end after 8 hours for the next 4 hours runs the same project, with a new WU, or starts another project?

This is my doubt.

I hope you posted on the project's forums about your troubles

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yes I did that. It was a WCG WU. The "problem" (sorry, i wrote about problemS),was caused by a far checkpoint (after 50% and that WU needed 12hours) so every time boinc preempted it, all data was lost and WU restarted from 0% a few times until I discovered it and suspend the other projects until WU's end.

So, now I can try only modifing switch between...

thank you Ageless

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Set the General preference option: Leave applications in memory while suspended? to yes.
Then, if the processor needs more room in ram for something else, the current data will be stored in the swap file, rather than just dumped, which is what is happening to you now.

Only by crunching only one project, or by setting the preference "switch between applications" to something exorbitant high

I also thinked that. but if, for example, I set switch between applications to 12hours and a WU end after 8 hours for the next 4 hours runs the same project, with a new WU, or starts another project?

No, (simplified said, because there could be some exceptions, but usually) after the WU is finished, Boinc will calculate, which application should be run and this application will then get the full time slot, e.g. 12 hours.

Peter