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World Community Grid Forums
Category: Retired Forums
Forum: The New Members Forum [Read Only]
Thread: When I shut the program down do I lose work completed? |
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Thread Status: Active Total posts in this thread: 19
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Dataman
Ace Cruncher Joined: Nov 16, 2004 Post Count: 4865 Status: Offline Project Badges: 
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Follow up:
----------------------------------------I also just tested shutdown/restart of the application without a shut down of the machine. I put the application to sleep on one of the machines I have running, shut down the program (using TUT), started WinDVD (worked), shut down WinDVD and restarted the program (using TUT) and it restarted just fine. Well, hope that helps. <dataman>  |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
I put the program to "sleep" when I need to shut down and I have had no problems automatically restarting from the point of shut down when I resume. <dataman> You mean Snooze right? Thanks a lot, I'll try that the next time I need to shut down.  |
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Dataman
Ace Cruncher Joined: Nov 16, 2004 Post Count: 4865 Status: Offline Project Badges:
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Yeppers ... snooze would be their term ... my appology. Perhaps I need some sleep <G>
----------------------------------------<dataman> |
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Alther
Former World Community Grid Tech United States of America Joined: Sep 30, 2004 Post Count: 414 Status: Offline Project Badges: 
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I shut the program down once after about 52 min of processing to play a game. When I started it again, it said 0 processing time, 0 percent complete. Do you have to leave the program running until it is complete with the work? No, you may stop the program at any time and it will resume from where it last checkpointed. The program checkpoints, or saves state, every time we bump up the percent complete on the graphics screen. The only work you loose is the amount of work since the last checkpoint. The only time it will start over is if these files have been tampered with or if they're corrupted (e.g. from a computer crash or if you killed it via the task manager.) You didn't say if the 0 percent was on the main page or graphics page. The main page only shows whole percentage complete, while the graphics page displays it in tenths of a percent. It's possible you had completed, e.g. 0.4%, but the main screen will still show 0% complete. Also, you may have had a difficult work unit and it just may not have checkpointed yet. It's easy to test. Look at the graphics screen and note the percent complete. Exit the agent and restart. It will resume at that percent complete. Note that it takes a few seconds to a minute or so when it first starts up to initialize everything, so the graphics screen will show 0.0% until it finishes initializing, then it will resume where it left off.
Rick Alther
Former World Community Grid Developer |
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Alther
Former World Community Grid Tech United States of America Joined: Sep 30, 2004 Post Count: 414 Status: Offline Project Badges:
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I just had a short power outage, probably since the weather outside is very windy. It rebooted my PC without any shutdown procedure. And, the past 50 or so processing hours are now erased. I am starting from zero percent again. A tip to the people that developed this client: why don't you store the results somewhere on the HDD and use what is useable in cases like this? Just because many people (processor power) are expected to join this WCG project, doesn't mean that this system does not need optimization and auto-restoring capabilities, right?  The state is saved everytime you see the percent bumped up (easier to see on the graphics screen). However, if the state files are corrupted, as could happen with a computer crash, power outage or deliberate tampering, the agent will discard the state files and start over from the beginning.
Rick Alther
Former World Community Grid Developer |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Likewise, I have had no problems shutting down in this way.
Come to think of it, have had no problems with data loss if I shutdown without exiting the program - Maybe I'm lucky |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
It shouldln't have to be shut down to play a game, since the agent runs mostly when the computer is inactive. I also have lost some data, but not completely when I exit the program to download. The most so far though has been ithe agent dropping back by 1 or 2 % and in a few minutes it picks those back up.
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
hmmm...my program is always minimized unless I am viewing it for some reason. I also don't use the screensaver at all. I don't lose data when shutting down the computer, only when exiting the agent, and than only a few percent. It doesn't seem to me to be a programming issue that exiting the program causes it to start all over again, otherwise all of us would experience that. I am not a programmer though...LOL
Maybe I'm not understanding what you peeps are saying.  But my experience so far is fine, I have shut my PC off 5 times now, while busy with my first work unit, only to find that it just automatically continues where it left off. Right now its on 96% complete, yay. When shutting down I just do it, I haven't exited the WCG Agent once yet. My system is a AMD 2400xp , 1 GB DDram running Windows XP SP2 OK then from your experience it doesn't seem that the program requires one to close it before shutting down, but until we have an answer on why this is happening to some people, I'm going to be shutting down the program first. |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
When Windows is shutting down, it activates the Exit routine for every application, including the WCG Agent. This is why Windows will sometimes tell you that a program is not responding when it is trying to close, if something went wrong in that program. Manually hitting Exit for the Agent is unnecessary when shutting Windows down. It will be done for you. (Yes, I exit manually too. After all, I am INTERESTED in this.
---------------------------------------- )Lawrence [Edit 1 times, last edit by Former Member at Feb 23, 2005 11:00:27 PM] |
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