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bernard_ivo

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Message 62846 - Posted: 4 Nov 2020, 18:12:11 UTC - in response to Message 62824.  

#877 and #878 have had all tasks waiting to go out withdrawn as many produce uploads greater than the limit allowed causing some to fail at 100% completion. They will be re-issued shortly.

Edit: Those already sent out will be left to run. Credit will be granted.


I have few of these, should I let them finish or should I abort?
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Profile Dave Jackson
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Message 62847 - Posted: 4 Nov 2020, 18:27:29 UTC - in response to Message 62846.  

I am letting mine run. but I have edited my client_state.xml as I described in a thread in the Linux section to increase the maximum file size. From that thread, also if you make sure the final zip finishes uploading before the task reports, that it seems also works. (with my bored band and if two are uploading at once they wouldn't stand a chance.)
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Mr. P Hucker

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Message 62852 - Posted: 5 Nov 2020, 11:52:43 UTC - in response to Message 62833.  

Yoo Hoo .. got one !!!

Bill F


Gott im Himmel! I acquired 33 Windows tasks! Oh well, that's half my cores busy for a bit. Is that the end of it or are more coming? My other 24 core xeon is upset it missed out.
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Profile Dave Jackson
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Message 62854 - Posted: 5 Nov 2020, 12:13:50 UTC - in response to Message 62852.  

Yoo Hoo .. got one !!!

Bill F


Gott im Himmel! I acquired 33 Windows tasks! Oh well, that's half my cores busy for a bit. Is that the end of it or are more coming? My other 24 core xeon is upset it missed out.


More tasks wanting, dark side leave you must.

Nothing more for Windows has been flagged up as being imminent. However, that doesn't always mean anything. Sometimes it seems the availability of work is determined by a random number generator.
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Mr. P Hucker

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Message 62855 - Posted: 5 Nov 2020, 12:36:44 UTC - in response to Message 62854.  

More tasks wanting, dark side leave you must.


It was purely selfless, I felt sorry for the other computers.

Nothing more for Windows has been flagged up as being imminent. However, that doesn't always mean anything. Sometimes it seems the availability of work is determined by a random number generator.


It could be pseudo random. A maths Boinc project could be set up to work out the seed.
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BetelgeuseFive

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Message 62866 - Posted: 6 Nov 2020, 16:31:26 UTC

According to the server status page there are over 600 tasks available for UK Met Office HadAM4 at N216 resolution

From what I understand these are Linux tasks, but I am not getting any work when requesting it from my Linux system.

Are there any special requirements for these tasks that I am not aware of ?

Thanks,

Tom
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Profile geophi
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Message 62867 - Posted: 6 Nov 2020, 16:39:25 UTC - in response to Message 62866.  

There is a need for 32bit libraries as these are 32bit applications. See this post for commands to install the necessary libraries for common Linux distributions...

https://www.cpdn.org/forum_thread.php?id=8916#62038
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Profile Dave Jackson
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Message 62869 - Posted: 6 Nov 2020, 19:13:49 UTC - in response to Message 62866.  

Can you post what you get in the event log when you request work from the project? - Many do succeed in getting work which they then crash due to not having the relevant 32 bit library files.

Also worth noting having requested work there is a back off period of one hour before you can request work again. If you do try earlier the hour's back off starts again.
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Mr. P Hucker

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Message 62870 - Posted: 6 Nov 2020, 19:48:08 UTC - in response to Message 62869.  

Can you post what you get in the event log when you request work from the project? - Many do succeed in getting work which they then crash due to not having the relevant 32 bit library files.

Also worth noting having requested work there is a back off period of one hour before you can request work again. If you do try earlier the hour's back off starts again.
And the message from Boinc doesn't help. I've had something along the lines of "Last request too recent: 6 minutes", which I assumed meant I was allowed to try again in 6 minutes, but it's actually giving me the meaningless information that I tried 6 minutes ago, which is nothing to do with how long I actually have to wait!
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Profile Dave Jackson
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Message 62872 - Posted: 6 Nov 2020, 20:02:23 UTC - in response to Message 62870.  
Last modified: 6 Nov 2020, 20:07:15 UTC

Can you post what you get in the event log when you request work from the project? - Many do succeed in getting work which they then crash due to not having the relevant 32 bit library files.

Also worth noting having requested work there is a back off period of one hour before you can request work again. If you do try earlier the hour's back off starts again.
And the message from Boinc doesn't help. I've had something along the lines of "Last request too recent: 6 minutes", which I assumed meant I was allowed to try again in 6 minutes, but it's actually giving me the meaningless information that I tried 6 minutes ago, which is nothing to do with how long I actually have to wait!


No it tells you how long since you last tried.

In the projects tab you should see how long you have left in the back off before you can try again. Most projects have this but I don't know of any others as long as CPDN. (That may be just because I have no experience of most projects.)
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Mr. P Hucker

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Message 62874 - Posted: 6 Nov 2020, 20:14:36 UTC - in response to Message 62872.  
Last modified: 6 Nov 2020, 20:17:10 UTC

And the message from Boinc doesn't help. I've had something along the lines of "Last request too recent: 6 minutes", which I assumed meant I was allowed to try again in 6 minutes, but it's actually giving me the meaningless information that I tried 6 minutes ago, which is nothing to do with how long I actually have to wait!
No it tells you how long since you last tried.

In the projects tab you should see how long you have left in the back off before you can try again. Most projects have this but I don't know of any others as long as CPDN. (That may be just because I have no experience of most projects.)
I use Boinctasks, but it shows that in the projects tab too. I just wondered what the point of the message I got from the server was.

I assume CPDN has a long backoff due to small amounts of available work. If they didn't, computers would be pestering the server endlessly, although Boinc does automatically increase the time when it's unsuccessful.

Milkyway is the other place I encounter it. They only have a 90 second backoff, but their GPU tasks take 30 seconds, and the server refuses [1] to send new work at the same time as receiving results. So if I'm just running Milkyway, when Boinc gets low on work and wants more, it sends my completed tasks back at the same time, and doesn't get any work. It then has to wait 90 seconds and does the same again, never getting any work until I've completed everything. Then there's some hidden 8 minute delay (Boinc client impatience?), which it ignores if I click update.

[1] I think due to a misconfiguration they refuse to (or don't know how to) fix. Someone complained to the previous project manager and got no response. I complained to the new project manager a few months ago and he said he'd look into it, but nothing ever happened.
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BetelgeuseFive

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Message 62878 - Posted: 7 Nov 2020, 9:12:14 UTC - in response to Message 62867.  

There is a need for 32bit libraries as these are 32bit applications. See this post for commands to install the necessary libraries for common Linux distributions...

https://www.cpdn.org/forum_thread.php?id=8916#62038


I installed the 32-bit libraries for Ubuntu 18.04 LTS:

sudo apt-get install lib32ncurses5 lib32z1 lib32stdc++-6-dev

Everything installed fine, but I am still not receiving new work (same message as before):

Sat 07 Nov 2020 10:07:22 AM CET | climateprediction.net | update requested by user
Sat 07 Nov 2020 10:07:25 AM CET | climateprediction.net | Sending scheduler request: Requested by user.
Sat 07 Nov 2020 10:07:25 AM CET | climateprediction.net | Requesting new tasks for CPU
Sat 07 Nov 2020 10:07:27 AM CET | climateprediction.net | Scheduler request completed: got 0 new tasks
Sat 07 Nov 2020 10:07:27 AM CET | climateprediction.net | No tasks sent

Tom
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Mr. P Hucker

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Message 62880 - Posted: 7 Nov 2020, 12:23:38 UTC - in response to Message 62878.  

There is a need for 32bit libraries as these are 32bit applications. See this post for commands to install the necessary libraries for common Linux distributions...

https://www.cpdn.org/forum_thread.php?id=8916#62038


I installed the 32-bit libraries for Ubuntu 18.04 LTS:

sudo apt-get install lib32ncurses5 lib32z1 lib32stdc++-6-dev

Everything installed fine, but I am still not receiving new work (same message as before):

Sat 07 Nov 2020 10:07:22 AM CET | climateprediction.net | update requested by user
Sat 07 Nov 2020 10:07:25 AM CET | climateprediction.net | Sending scheduler request: Requested by user.
Sat 07 Nov 2020 10:07:25 AM CET | climateprediction.net | Requesting new tasks for CPU
Sat 07 Nov 2020 10:07:27 AM CET | climateprediction.net | Scheduler request completed: got 0 new tasks
Sat 07 Nov 2020 10:07:27 AM CET | climateprediction.net | No tasks sent

Tom
Why can't Boinc servers hand out meaningful responses? There has to be a reason for no work sent, it should state it. Sometimes it does when it feels like it and says "project has no tasks available", or "you need more RAM for the available tasks" or something.
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Les Bayliss
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Message 62881 - Posted: 7 Nov 2020, 12:35:46 UTC - in response to Message 62878.  

BetelgeuseFive

A new computer that I built earlier this year kept doing this.
I never did solve it.
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Les Bayliss
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Message 62882 - Posted: 7 Nov 2020, 12:37:19 UTC - in response to Message 62880.  

Peter

We're trying to help BetelgeuseFive with a problem, and you're not helping with these posts.
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Mr. P Hucker

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Message 62883 - Posted: 7 Nov 2020, 12:51:22 UTC - in response to Message 62882.  

Peter

We're trying to help BetelgeuseFive with a problem, and you're not helping with these posts.
Perhaps if he turned some debug logging on, there would be a meaningful response given to locate the problem? I've done that before with other projects. But don't turn everything on at once or it actually bogs down the whole machine writing logs!
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Les Bayliss
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Message 62886 - Posted: 7 Nov 2020, 13:02:03 UTC - in response to Message 62883.  

I tried that, but it didn't help. :(
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Mr. P Hucker

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Message 62889 - Posted: 7 Nov 2020, 13:23:43 UTC - in response to Message 62886.  

I tried that, but it didn't help. :(


I don't suppose the server has more detailed logs? If you have access to those.
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Profile Dave Jackson
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Message 62890 - Posted: 7 Nov 2020, 16:41:40 UTC - in response to Message 62889.  

I tried that, but it didn't help. :(


I don't suppose the server has more detailed logs? If you have access to those.

Moderators don't have access to server logs.
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Mr. P Hucker

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Message 62892 - Posted: 7 Nov 2020, 17:02:05 UTC - in response to Message 62890.  

I tried that, but it didn't help. :(


I don't suppose the server has more detailed logs? If you have access to those.

Moderators don't have access to server logs.


Ah, I'm only speaking to the deputy :-P
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