Unpurged tasks between 2016-07-24 - 2016-07-27

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Message boards : Number crunching : Unpurged tasks between 2016-07-24 - 2016-07-27

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HAL9000
 
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Message 4444 - Posted: 16 Nov 2016, 23:56:53 UTC

I was looking at some of my hosts and found that across all of my systems I have about a few hundred tasks from 24 Jul 2016, 20:41:59 UTC to 27 Jul 2016, 13:12:16 UTC that seem to have missed being purged. Has anyone else noticed tasks from that time from hanging around as well?

Profile Moises Cardona
 
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Message 4446 - Posted: 17 Nov 2016, 11:47:29 UTC

Yes, I see them too. Mine starts on July 22 till July 27

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Message 4448 - Posted: 18 Nov 2016, 6:53:58 UTC

I found only one task:
task 61636560 / Sent 27 Jul 2016, 8:59:54 UTC / Returned 27 Jul 2016, 15:00:27 UTC / Completed and validated
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Profile Pete Broad
     
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Message 4450 - Posted: 18 Nov 2016, 9:23:03 UTC - in response to Message 4448.

I found about half a dozen, one of which I didn't get any credit for.

http://wuprop.boinc-af.org/result.php?resultid=61563028


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HAL9000
 
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Message 5791 - Posted: 30 Nov 2017, 23:25:56 UTC

Looks like the servers did not clean up those tasks from last year in the second chance validation and clean up cycle that it does.

I guess they will require manual intervention to clean them from the database.

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Message 5816 - Posted: 6 Dec 2017, 7:34:42 UTC - in response to Message 5791.

You can't server abort/purge a task on a computer that's off.

Maybe newer WU's are ignored by the server when they are too old?

HAL9000
 
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Message 5817 - Posted: 6 Dec 2017, 22:52:35 UTC - in response to Message 5816.

You can't server abort/purge a task on a computer that's off.

Maybe newer WU's are ignored by the server when they are too old?

The tasks I was originally referring to were stuck in limbo. Most having been validated but not purged from the database.
That can happen if the server crashes or some other weirdness occurs. Which I believe occurred around the time of the dates I had listed.
There is a BOINC mechanism that is suppose to check a task once it hits its original due date. Then try to send it though the validation/purge process again if the minimum quorum is met.

It doesn't look like that worked for those tasks. However it looks like the admin recently, in the past few days, cleaned them up. Probably running some of the processes manually.


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Message boards : Number crunching : Unpurged tasks between 2016-07-24 - 2016-07-27


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