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Thread Status: Active Total posts in this thread: 11
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tersmith
Cruncher Joined: May 5, 2005 Post Count: 3 Status: Offline Project Badges:
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I have periods where I am offline for several days but would like the ability to download bundles of work that would enable Project processing to continue for the full offline period.... say up to 5 days...
How could this be achieved as there is valuable processing time being lost... Thx Tersmith@au1.ibm.com |
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
Simply set the website device prefs 'cache' or local prefs 'additional work buffer' to the desired number of days, but less than the deadline, minus 1 day safety. Not all work is equally long, cannot be predicted exactly.
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WCG
Please help to make the Forums an enjoyable experience for All! |
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gb009761
Master Cruncher Scotland Joined: Apr 6, 2005 Post Count: 3010 Status: Offline Project Badges:
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It's quite simple (when you know how).
----------------------------------------Go to My Grid | Device Manager | Device Profiles and select the profile you're using (generally, Default). Then, select Custom Profile, and within there, there's an option under Workunit Cache Settings that allows you to specify how many extra days Cache you'd like. After you've selected the number you want (in this case, it looks like 5 - although see below), press Save. Then, on your next handshake between your computer and the WCG website, it'll bring down 5 extra days' work (if you want, you can manually force this update, by going into the BOINC mgr, selecting the Projects tab, highlighting the project 'World Community Grid' and then pressing the Update button). One thing you may need to consider, is that (say), if your computer is currently available and crunching 24/7 and whilst you're away, it's only going to be available 12/7, then you'll only need to download half the amount of work to tide you over until you're able to access the internet again. Another tip you I'd recommend, is, whilst you're away from the Internet, to go into the Activity tab within the BOINC mgr, and select 'Network Activity Suspended' - as otherwise, it'll be constantly attempting to connect to the WCG servers. Edit : as all the WCG work has a 10 day deadline, I'd recommend that the highest you'd want to ever set this setting, is 9 - so as to allow for flexibility with timings etc. ![]() [Edit 1 times, last edit by gb009761 at Oct 5, 2009 8:19:26 PM] |
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tersmith
Cruncher Joined: May 5, 2005 Post Count: 3 Status: Offline Project Badges:
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Thx.... making the change on the deice profile did not wotk... but it did work when the local prefs were changed...
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
Thx.... making the change on the deice profile did not wotk... but it did work when the local prefs were changed... It takes, as footnoted on the Device Profile pages, a Client-Server contact to transfer the profile change to the client. That can be forced by hitting the Update button in the projects tab of BOINC Manager, after selecting the WCG line Happy Crunching :D
WCG
----------------------------------------Please help to make the Forums an enjoyable experience for All! [Edit 1 times, last edit by Sekerob at Oct 10, 2009 8:37:22 AM] |
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JmBoullier
Former Community Advisor Normandy - France Joined: Jan 26, 2007 Post Count: 3716 Status: Offline Project Badges:
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Thx.... making the change on the deice profile did not wotk... but it did work when the local prefs were changed... If you have used them for anything previously your local preferences remain active (and take precedence over the device profile) until you specifically clear them.Contrary to most of my CA colleagues I use the device profiles only for project/research selection and always adjust the various parameters in the local preferences. I would not say this is better for everybody, but for me I find it simpler and it avoids confusion. What I would recommend for every cruncher, though, is to think seriously once about what they prefer, and then strictly stick to the choice they have made. Otherwise, sooner or later, they will face the problem that you had. Cheers. Jean. |
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Ingleside
Veteran Cruncher Norway Joined: Nov 19, 2005 Post Count: 974 Status: Offline Project Badges:
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Thx.... making the change on the deice profile did not wotk... but it did work when the local prefs were changed... If you had local prefs before doing any changes, the web-preferences won't work, appart for setting resource-share and selection of sub-project. Also, if set on the web, client won't know about them before next time connects to project... Hmm, doing a quick test, it doesn't look like WCG shows this info, as it should do: "Your preferences have been updated. Client-related preferences will take effect when your computer communicates with Project-name or you issue the "Update" command from the BOINC client." BTW, looking on the other messages in this thread, it's also possible your settings is mis-configured... BOINC includes two different settings for specifying cache-size, these are "Connected..." and "Additional..." (WCG calls it a little differently on their web-page). The actual cache-size is "Connected..." + "Additional...". (example 4 on one of them and 2 on the other gives a cache-size of 6 days). If you know computer should be disconnected for example 4 days, it's important to set "Connected..." to 4 days or more, while "Additional..." should be fairly small (preferably less than a day). This is always true, if you knows computer will be disconnected for N days, "Connected..." should always be N days or more, but max 10 days due to WCG having a 10-day deadline. Setting a too low "Connected..." increases the chance of missed deadlines, since both client and scheduling-server makes decisions based on "Connected...", and these decisions will be wrong if "Connected..." is mis-configured. ![]() "I make so many mistakes. But then just think of all the mistakes I don't make, although I might." |
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
Why repeating what was already said before in a thread? Is that a habit?
----------------------------------------As for the hmmm. At bottom of the WCG Device profile there is a line, prior to hitting the Save button: "Changes to your profile will not take effect until the next time that your grid agent communicates with the servers." thanks though for you caused an idea to pop up changing the line to: "Changes to your profile that alter the client's behavior will not take effect until the next time that the grid agent communicates with the servers, AND only when no local preferences have been entered directly through the grid agent. These override ALL Device Profile settings except project weight and research science selections" There is no 'should', there might be a 'could'. What 'should' be done is change the darn client local prefs interface and how and what is stored in the overrides so it does not cause the constant conflict pest.
WCG
----------------------------------------Please help to make the Forums an enjoyable experience for All! [Edit 1 times, last edit by Sekerob at Oct 10, 2009 12:31:01 PM] |
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Ingleside
Veteran Cruncher Norway Joined: Nov 19, 2005 Post Count: 974 Status: Offline Project Badges:
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Why repeating what was already said before in a thread? Is that a habit? Doh, overlooked JmBoullier 1st. line. ![]() As for the hmmm. At bottom of the WCG Device profile there is a line, prior to hitting the Save button: "Changes to your profile will not take effect until the next time that your grid agent communicates with the servers." There are? Oh, very easily-overlooked line. If you'll changed some preference at the top of the page, and not interested in any of the other preferences, you'll only look for the "Save"-botton, and the text just blends-in as part of the preferences you're not interested in. thanks though for you caused an idea to pop up changing the line to: "Changes to your profile that alter the client's behavior will not take effect until the next time that the grid agent communicates with the servers, AND only when no local preferences have been entered directly through the grid agent. These override ALL Device Profile settings except project weight and research science selections" The AND is a good idea, while the last line shouldn't be neccessary, but is for WCG since the profile-page is really screwed-up, by having: Global preferences (Basic options) Project-specific preferences (selections on sub-projects) Global preferences (Processor usage) Project-specific preferences (Graphics) Global preferences (Disk, memory, network, cache) Project-specific preference (Resource share) Global preference (Switch between applications...) Client will only override the global preferences, not the project-specific, so for WCG the line would be something like: "These override ALL Device Profile settings except project weight, research science selections and Graphics". There is no 'should', there might be a 'could'. Well, even a project makes customizations to the web-pages, removing warning-messages isn't a good idea, since this gives complaints from users about "it doesn't work". So, instead of the current: "Your profile has been successfully updated.", WCG should include a little more info... What 'should' be done is change the darn client local prefs interface and how and what is stored in the overrides so it does not cause the constant conflict pest. Well, the Manager-preferences does include a warning-sign, and some text, but granted the text can be updated to be more clear. Also, going by #351, apparently the simple-view has some extra problems on it's own... ![]() "I make so many mistakes. But then just think of all the mistakes I don't make, although I might." |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Oh, very easily-overlooked line. If you'll changed some preference at the top of the page, and not interested in any of the other preferences, you'll only look for the "Save"-botton, and the text just blends-in as part of the preferences you're not interested in. After 25 years the the software support business, I can tell you that almost no one reads what is on the screen, especially if it is put there for their benefit. I still try to inform users, as Sekerob is suggesting, but it is really a futile battle in the long run, no matter what you do. |
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