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ProfileCori
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Message 12893 - Posted: 25 Feb 2009, 22:57:47 UTC - in response to Message 12892.  

So its 12 WU's/core/day and not 12 WU's/core at any given time (as in a 12 WU/core cache)?

It's 12WUs/core at one go. Maximum daily WU quota per CPU is 5000/day. ;-)
Lovely greetings, Cori
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Message 12894 - Posted: 25 Feb 2009, 22:58:27 UTC - in response to Message 12888.  
Last modified: 25 Feb 2009, 22:59:47 UTC

Can't help agreeing, this 12WU/core limit is a pain in the butt - why the limit? S@H allows a 10 day buffer, even given the number of regular SNAFU's they get. Even raising it to just 30/core would be more manageable - until you get the download scheduler problem sorted, we the grunts(the poor sods on the receiving end of Travis' whims), are gonna continue to run out of work, dropping RAC, etc, which is just gonna cause more frustration! How many more crunchers do you want to leave the project in disgust?? Get it sorted, PLEASE!!
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Message 12895 - Posted: 25 Feb 2009, 23:13:15 UTC - in response to Message 12893.  

So its 12 WU's/core/day and not 12 WU's/core at any given time (as in a 12 WU/core cache)?

It's 12WUs/core at one go. Maximum daily WU quota per CPU is 5000/day. ;-)



Ok, thats what I thought, I just wanted to be sure.
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Message 12896 - Posted: 25 Feb 2009, 23:17:37 UTC - in response to Message 12894.  
Last modified: 25 Feb 2009, 23:19:02 UTC

Can't help agreeing, this 12WU/core limit is a pain in the butt - why the limit? S@H allows a 10 day buffer, even given the number of regular SNAFU's they get. Even raising it to just 30/core would be more manageable - until you get the download scheduler problem sorted, we the grunts(the poor sods on the receiving end of Travis' whims), are gonna continue to run out of work, dropping RAC, etc, which is just gonna cause more frustration! How many more crunchers do you want to leave the project in disgust?? Get it sorted, PLEASE!!

I think you have to remember that this project is still in an alpha stage and WUs are issued according to the needs of the project. I'm sure Travis is aware of what you are asking, but working within what he sees as best for the project in conjunction with the other scientists he is working with. He is trying to resolve the problems, as he has recently said.

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Message 12910 - Posted: 26 Feb 2009, 0:16:27 UTC

I know it is classism ... but larger caches allowed for the faster systems?

I mean I should be able to hold 48 tasks and (4 CPU x 12) and I don't think I have seen that message even with the GPU running amok ... or maybe that is the reason I don't see it?

But I am constantly banging on the server to upload, download, report, or request tasks ...

I have little interest in caching days worth of work, but at 14 seconds max per task even a 0.5 day cache would be far more than 48 tasks ...
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Message 12946 - Posted: 26 Feb 2009, 13:47:47 UTC - in response to Message 12737.  

mine is now constantly requesting -0- getting -0-.... even after multiple updates...


Too many Gpu's for the setup being used. It doesn't seem to be able to keep up with all the wu's they are demanding at a time.
What happened to Travis increasing the 'ready to send'?


I don't think that increasing the ready to send will do much, if anything. There's work available it's just that for some reason the clients aren't getting it.
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Message 12949 - Posted: 26 Feb 2009, 15:39:08 UTC

Today was the first time I saw all my 4 puters at home running idle. *eek*
Now I've requested work manually until every box downloaded it's cache of n cpus x 12... I think I need a coffee break now! *grin*


Lovely greetings, Cori
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Message 12953 - Posted: 26 Feb 2009, 16:04:16 UTC - in response to Message 12949.  

Today was the first time I saw all my 4 puters at home running idle. *eek*

4 puters running idle? How dare they? They should be standing still if they're idle :P


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Message 12954 - Posted: 26 Feb 2009, 16:13:27 UTC
Last modified: 26 Feb 2009, 16:20:21 UTC

Proof that Murphy is alive and well and living at MW: the only time my machine seems to run out of work is overnight when I'm asleep and can't do anything about it.

@Travis,
I don't know much about the BOINC system at your end, BUT . . (have you noticed that there is always a BUT in this type of statement?)

I seem to remember that Matt Lebofsky (one of the admins over at Seti) once explained that work going out actually comes from a "feeder" which holds a small cache of wu's from the large store of those available for download. Even with plenty of work available, if this small feeder cache runs out the scheduler cannot send more work. He likened it to a single cashier in a store running out of change even though there was plenty of cash in the store's vault.

With the new very fast GPU clients asking for big gobs of work, is it possible that the feeder is not "looking" at the "vault" often enough to stay full, or perhaps that small feeder cache needs to be increased a bit if possible? (I'm not knocking GPU processing, just pointing at a possible cause of the new phenomenon.)

I imagine that this along with much else I don't understand is already being looked into, but just a thought . . .
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Message 12955 - Posted: 26 Feb 2009, 16:22:02 UTC - in response to Message 12953.  

Today was the first time I saw all my 4 puters at home running idle. *eek*

4 puters running idle? How dare they? They should be standing still if they're idle :P

*LOL*
The fans were still running on the lowest level. ;-D
Lovely greetings, Cori
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Message 12957 - Posted: 26 Feb 2009, 17:01:45 UTC - in response to Message 12955.  

Today was the first time I saw all my 4 puters at home running idle. *eek*

4 puters running idle? How dare they? They should be standing still if they're idle :P

*LOL*
The fans were still running on the lowest level. ;-D


AGAIN!! Got home from work, both boxes idle - Server Status page says there's work to be had, but I keep hitting "Update" till nothing happens - download a batch of PG PSP sieve, as they're D/Ling - BOOM!! - 28 WUs from MW - then another 24 for the quad and 6+6 for my old boat anchor. This is getting a little tiresome. I aborted the PG WUs and my boxes are back doing their thing. Are the GPU clients having the same problems?
Seejay **Proud Member and Founder of BOINC Team Allprojectstats.com**
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Message 12960 - Posted: 26 Feb 2009, 17:19:02 UTC - in response to Message 12946.  

I don't think that increasing the ready to send will do much, if anything. There's work available it's just that for some reason the clients aren't getting it.


Well it wouldn't be had to try it right?
Doesn't expecting the unexpected make the unexpected the expected?
If it makes sense, DON'T do it.
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Message 12974 - Posted: 26 Feb 2009, 19:44:49 UTC

So it seems that the work has pretty much disappeared? Its really irrelevant if its there and not being distributed or not there at all, the result is the same--NO WORK!! So much for sneaking back and giving it another go; theres nothing to do!!!
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Message 12978 - Posted: 26 Feb 2009, 19:58:23 UTC

AAAAAAAAAARRRRRRRRRRRRRRGGGGGGGGGGGGGGGGGGGGGGGG!!!!!!!!!!!!!!!!!!!!!

I would say the work available is decreasing each day- whatever the problem is, it's getting worse... 8,10,12 manual attempts in a row all get '0 new tasks'... machines are regularly running dry...
I know you are working on it :)
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Message 12996 - Posted: 26 Feb 2009, 22:20:52 UTC


26/02/2009 23:14:20|Milkyway@home|Sending scheduler request: Requested by user. Requesting 3401867 seconds of work, reporting 0 completed tasks
26/02/2009 23:14:25|Milkyway@home|Scheduler request completed: got 0 new tasks
26/02/2009 23:14:30|Milkyway@home|Sending scheduler request: Requested by user. Requesting 3402165 seconds of work, reporting 0 completed tasks
26/02/2009 23:14:35|Milkyway@home|Scheduler request completed: got 0 new tasks
26/02/2009 23:14:45|Milkyway@home|Sending scheduler request: Requested by user. Requesting 3402479 seconds of work, reporting 0 completed tasks
26/02/2009 23:14:50|Milkyway@home|Scheduler request completed: got 0 new tasks
26/02/2009 23:14:55|Milkyway@home|Sending scheduler request: Requested by user. Requesting 3402794 seconds of work, reporting 0 completed tasks
26/02/2009 23:15:00|Milkyway@home|Scheduler request completed: got 0 new tasks
26/02/2009 23:15:10|Milkyway@home|Fetching scheduler list
26/02/2009 23:15:15|Milkyway@home|Master file download succeeded
26/02/2009 23:15:21|Milkyway@home|Sending scheduler request: Requested by user. Requesting 3403333 seconds of work, reporting 0 completed tasks
26/02/2009 23:15:26|Milkyway@home|Scheduler request completed: got 0 new tasks
26/02/2009 23:15:31|Milkyway@home|Sending scheduler request: Requested by user. Requesting 3403689 seconds of work, reporting 0 completed tasks
26/02/2009 23:15:36|Milkyway@home|Scheduler request completed: got 4 new tasks

26/02/2009 23:15:38|Milkyway@home|Started download of ps_s79_9_search_parameters_1848812_1235686468
26/02/2009 23:15:38|Milkyway@home|Started download of ps_s79_9_search_parameters_1848813_1235686468
26/02/2009 23:15:39|Milkyway@home|Finished download of ps_s79_9_search_parameters_1848812_1235686468
26/02/2009 23:15:39|Milkyway@home|Finished download of ps_s79_9_search_parameters_1848813_1235686468
26/02/2009 23:15:39|Milkyway@home|Started download of ps_s79_9_search_parameters_1848814_1235686468
26/02/2009 23:15:39|Milkyway@home|Started download of ps_s79_9_search_parameters_1848815_1235686468
26/02/2009 23:15:40|Milkyway@home|Finished download of ps_s79_9_search_parameters_1848814_1235686468
26/02/2009 23:15:40|Milkyway@home|Finished download of ps_s79_9_search_parameters_1848815_1235686468
26/02/2009 23:15:46|Milkyway@home|Sending scheduler request: To fetch work. Requesting 3392925 seconds of work, reporting 0 completed tasks
26/02/2009 23:15:51|Milkyway@home|Scheduler request completed: got 0 new tasks


Looks like the scheduler just can't keep up with demand....
Seejay **Proud Member and Founder of BOINC Team Allprojectstats.com**
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Message 13002 - Posted: 27 Feb 2009, 0:00:57 UTC

Don't know if that's the true solution but after installing the new recommended BOINC version 6.4.6 the manager tried to fetch work immediately again and I got several new WUs downloaded on all my boxes after just one request! ;-)))
Lovely greetings, Cori
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Message 13009 - Posted: 27 Feb 2009, 1:14:50 UTC - in response to Message 13002.  

Thanks for the tip, Cori! :)

Unfortunately I get an error when I try to install the new version.
"Error reading setup initialization file"

I've tried downloading it again but get the same message when I try to install it. :(
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Message 13038 - Posted: 27 Feb 2009, 10:07:55 UTC - in response to Message 13009.  
Last modified: 27 Feb 2009, 10:54:51 UTC

Thanks for the tip, Cori! :)

Unfortunately I get an error when I try to install the new version.
"Error reading setup initialization file"

I've tried downloading it again but get the same message when I try to install it. :(

Maybe you have to un-install the old BOINC version before? I'm not sure...
EDIT: I've downloaded it from here: http://boinc.berkeley.edu/dl/?C=M;O=D and it worked for me.



Anyway the new recommenden version did not help to keep my comps busy overnight. :-(
When I woke up two comps were idling and not requesting work and two were about to run dry. Had to hit the "update" button several times before the work was flowing again.
I really don't get it... *scratches head*
Lovely greetings, Cori
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Message 13076 - Posted: 27 Feb 2009, 17:04:42 UTC

Travis wrote:

Insta-purge is Back (Hopefully not for long)
February 27, 2009
I'm dropping the purge back to instant, because there are going to be a whole lot more workunits floating around in the system with the increased WU queue. If nothing bad happens I'll increases it back to 3-6 hours.
Lots of Updates Today
February 27, 2009
I'm going to be updating the assimilator/validator today, so there might be some work shortages. I'm putting some very limited redundancy into our particle swarm search, which should hopefully fix the problem we've been seeing with outliers messing up the search direction. I'll also be putting in a few changes which should help the work availability problem: first I'm raising the workunit queue to 20 (from 12) and I'll also be increasing the minimum number of available workunits on the server. I'll be starting up a couple new searches this afternoon, and have modified the awarded credit slightly upwards, so you might see a better RAC with these.


Looks like following our advice works sometimes, eh Travis? ;^).

Things are running much smoother now that :

gomeyer wrote:
or perhaps that small feeder cache needs to be increased a bit if possible?


and

I wrote:
Those of us that are running CPU apps. must each be sending hundreds of requests to the server every day, what with this cache limit of 12WUs x Core at any one time. Might this not get the scheduler a bit racked-off, and therefore lengthens its request times after X number of consecutive HTTP requests?


Thanks for listening!!
Seejay **Proud Member and Founder of BOINC Team Allprojectstats.com**
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Message 13099 - Posted: 27 Feb 2009, 19:58:08 UTC
Last modified: 27 Feb 2009, 20:00:21 UTC

Welcome the uprise from 12 to 20 units in queue but for GPU-crunchers it would be necessary that it be raised to 1000 or more.... With 20 units/core in a dual core PC means reserve of 4 minutes of work....
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