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Former Member
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Re: Waiting to run

The name of the developer is Dr. David Anderson. He can be found at the developer alpha mail list ;-)
[Nov 29, 2012 8:07:20 PM]   Link   Report threatening or abusive post: please login first  Go to top 
Gandalf_PCHF
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Re: Waiting to run

Hi Gandalf,

32 waiting [of WCG only?] because others are running in high priority suggests you've got too high a work buffer, or lately did not have enough up-time to complete all tasks in normal First In First Out [FIFO] order, which different BOINC clients handle in varying, sometimes confusing ways. The remedy is defenitely to lower the "Connect about every xx days " or "Minimum Work Buffer" depending on client version AND the "Maximum additional work buffer" if that is set high too. Given WCG uptime history and duration of outages, generally 1.5 days is more than enough to bridge any connection problem.


SekeRob,

I've provided links to my WCG BM - Preferences images.
Do you see anything that should be adjusted?
My wait list has increased to 42 since this morning.
Most of these settings are the default settings.


http://i702.photobucket.com/albums/ww27/Gandalf_PCHF/WCGProcpref.jpg

http://i702.photobucket.com/albums/ww27/Gandalf_PCHF/WCGCachepref.jpg

If you need more info from me, please advise.
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[Nov 29, 2012 8:51:41 PM]   Link   Report threatening or abusive post: please login first  Go to top 
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Re: Waiting to run

The critical tab missing is network. Are your tasks still running High Priority?
[Nov 29, 2012 8:57:54 PM]   Link   Report threatening or abusive post: please login first  Go to top 
Sgt.Joe
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Re: Waiting to run

Post a picture of the network setting tab too.
Thanks
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Sgt. Joe
*Minnesota Crunchers*
[Nov 29, 2012 8:58:43 PM]   Link   Report threatening or abusive post: please login first  Go to top 
Gandalf_PCHF
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Re: Waiting to run

Oops - sorry.

http://i702.photobucket.com/albums/ww27/Gandalf_PCHF/WCGNetpref.jpg

Are your tasks still running High Priority? Yes, Sir.

Welcome aboard, Sgt Joe.
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[Nov 29, 2012 9:18:34 PM]   Link   Report threatening or abusive post: please login first  Go to top 
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Re: Waiting to run

Presuming those settings have not changed in the past week, this makes no sense. To take the panic off, set the "Connect about every xx days" temporarily to 0.00 days as that is the one making the client think "Hello, I've got a pile of jobs due in XX hours, but the next scheduled connection wont be in 1.5 days... better hurry". Doubtless your client is loaded with short deadline tasks, and from what I've read, some deadlines got really wildly short... someone posted in with 18 minutes. This should *not* have been as the rule is 40% deadline of the source _0 suffixed task i.e. if that was 7 days, than any repair/no reply task gets 2.8 days.
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[Edit 1 times, last edit by Former Member at Nov 29, 2012 9:29:50 PM]
[Nov 29, 2012 9:28:59 PM]   Link   Report threatening or abusive post: please login first  Go to top 
Gandalf_PCHF
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Re: Waiting to run

SekeRob - done
"Connect about every xx days" temporarily to 0.00 days
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[Nov 29, 2012 9:37:37 PM]   Link   Report threatening or abusive post: please login first  Go to top 
Gandalf_PCHF
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Re: Waiting to run

The task marked priority are not small but like 7 or 8 hour run time. They are marked for 11/30/2012 deadline, but then so are the tasks marked waiting. The HCC GPU tasks are small like 15 minutes.
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[Nov 29, 2012 9:45:09 PM]   Link   Report threatening or abusive post: please login first  Go to top 
Former Member
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Re: Waiting to run

If you run BOINCTasks [special multi-client BOINC Manager], you can easily see how much total computing time work is presently in your client buffer [project tab]. It's very well possible that work was called when the projected times were short, and then suddenly one ran 8 hours instead of the projected 4. The client applies this "ran 2x longer" to all work in the buffer, so when there was 1.8 days worth, the client thought there was suddenly was 3.6 days. With a steady cache of 1.8 days, it means that any task started is already ~1.8 days old with normal FIFO. With that DCF [Duration correction factor] having shot from 1.0 to 2.0, there's 3.6 days work. Try cram that in 1.8 days. Anyway, with BOINCTasks it is easy to trim the work queue by deleting the not yet started, soonest due tasks to the point that none will be overdue by the time the cache has emptied... i.e. if it's seen that you have too much work to complete before deadline, abort the soonest due [which buys some time for those due later].

If your client runs GPU work also, then your client may have fallen victim to the excessive over-caching bug. That too is fixed in the client 7 release [which WCG is working on to test and formally endorse]. All in summary, if the panic state persists, don't hesitate to abort any excess cached work. Don't let it sit there till it's overdue.
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Gandalf_PCHF
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Re: Waiting to run

OK Rob, I just aborted all the tasks that were deadlined for 11/30/2012 and marked ready to run. There were over 100 tasks so marked. Now the 11/30 tasks are either running now or marked waiting. Knock on wood that will elevate the issue.

P.S. - Thanks for sticking with me.
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