The software is reporting a problem of low hard drive space. How do I fix this?
Why do I have two World Community Grid or BOINC software icons by my clock?
Why do I lose my work and have to download a new work unit if Windows crashes?
What are the workunit deadlines?
A workunit deadline is the number of days you have to complete a workunit and return to the grid servers.
We have workunit deadlines so that the research will continue to move forward in a timely fashion. Currently the workunit deadlines are set at 10 days for most World Community Grid research projects. Some projects have different deadlines which could be as short as 1 day.
10 Day Workunit Deadline Exception: If you receive a replacement workunit that was generated as a result of a workunit result error from another members computer, then your workunit will have a shorter deadline. In particular, if the original deadline was 10 days, then the shortened deadline will be about 4 days.
If a workunit is not returned by the deadline, our grid servers will send out another copy of the workunit to another member. A member may receive credit for the overdue workunit if it is returned within 1 days of the deadline.
Why does the software sometimes display with a piece of the screen missing?
Do I have a BOINC agent or a UD Agent? How do I tell which agent I have?
Why won't the project suspend when I'm using my device?
Why does the screen saver only show a black or blank screen?
What is an intermittent project?
Why do some validated work units remain on my results status page for a long period of time?
Why do I receive tasks / work units for research projects other than the projects I have selected on "My Projects" page?
Why are my results marked 'too late' or 'server aborted'?
So, in this example, if you download a work unit that already has 4 work units returned with an error status, and the work unit requires a quorum of 2, this would indicate that another member has a work unit in progress when you downloaded the work unit. This at a minimum would mean 6 total work units have been sent. Then your wingman returns a result that is also an error. This would cause the server to try and abort all remaining work units in progress and if your work unit had not started running, you would receive a 'server aborted' message. If your device had started on the work unit before the server abort message was sent, the BOINC software cannot abort and your device will complete the work unit, but the result will be marked as 'too late'.
- Max number of results (example 9)
- Max number of error results ( example 5)
- Max number of success results (example 5)
Please note: number of max successes means that the results are not validating against each other. For example all 5 copies have different results.
Is there a work unit limit set per core?
Yes. The current limit is 70 per core.
The reason for this limit is that in the past, we have had results with wild estimations which could cause a machine to download more days worth of work than what the deadline allowed for, which was causing many results to go into a too late state and required reliable hosts to pick those up after the fact. This also caused many reliable hosts to become unreliable.
With multiple projects, the estimations to BOINC can vary even though we try our best to prevent this event from happening. This work unit limit has helped to prevent this type of event from happening again.