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Number crunching :
Panic Mode On (114) Server Problems?
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Stephen "Heretic" ![]() Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628
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I have been doing some playing around today and added . . Absolutely nothing here on all 4 machines. Within the hour they will begin to fall over with no work. Stephen :( |
Keith Myers Send message Joined: 29 Apr 01 Posts: 13164 Credit: 1,160,866,277 RAC: 1,873
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I've found I can usually get away with<max_tasks_reported>100</max_tasks_reported> and have the scheduler accept it with no problems. I don't have as much luck with values higher than that though. Still takes a considerable amount of connections to report all the tasks crunched during such a long outage. Seti@Home classic workunits:20,676 CPU time:74,226 hours A proud member of the OFA (Old Farts Association) |
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Speedy Send message Joined: 26 Jun 04 Posts: 1649 Credit: 12,921,799 RAC: 89
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I set 178 tasks free by abandoning them
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Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 14039 Credit: 208,696,464 RAC: 304
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Forums have gone in to super slow motion mode, and the project is no longer issuing work (again), as of about 20min ago. 27/12/2018 14:15:08 | SETI@home | Scheduler request completed: got 0 new tasks Grant Darwin NT |
Unixchick ![]() Send message Joined: 5 Mar 12 Posts: 815 Credit: 2,361,516 RAC: 22
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Forums have gone in to super slow motion mode, and the project is no longer issuing work (again), as of about 20min ago. yup. This isn't a good recovery. Hoping things will fix themselves, but worried we might need to send out the Seti signal. It is 9pm in CA. Not sure if that is too late. |
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Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 14039 Credit: 208,696,464 RAC: 304
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And now it appears to be functioning again. Grant Darwin NT |
Stephen "Heretic" ![]() Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628
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. . Abandoning or aborting? I know how to abort tasks but not how to abandon a task. Stephen ?? |
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Speedy Send message Joined: 26 Jun 04 Posts: 1649 Credit: 12,921,799 RAC: 89
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All the tasks were ghosts so I detached from the project and reattached which caused the ghost tasks to error out. Here is an example http://setiathome.berkeley.edu/result.php?resultid=7268578562
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Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 14039 Credit: 208,696,464 RAC: 304
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All the tasks were ghosts so I detached from the project and reattached which caused the ghost tasks to error out. Why? The same thing would have occurred when they reached their due dates. Grant Darwin NT |
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Speedy Send message Joined: 26 Jun 04 Posts: 1649 Credit: 12,921,799 RAC: 89
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All the tasks were ghosts so I detached from the project and reattached which caused the ghost tasks to error out. I was just trying to help the database not be so bloated and not making wing people having to wait till next year for credit. Just trying to be an all round good person
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Wiggo Send message Joined: 24 Jan 00 Posts: 38784 Credit: 261,360,520 RAC: 489
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Did I miss another hiccup again? Cheers. |
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Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 14039 Credit: 208,696,464 RAC: 304
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Did I miss another hiccup again? Yep. Grant Darwin NT |
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Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 14039 Credit: 208,696,464 RAC: 304
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I was just trying to help the database not be so bloated and not making wing people having to wait till next year for credit. Just trying to be an all round good person A couple of hundred tasks out of 5million or so isn't too much of an issue. If it's something that keeps occurring you'd want to look in to it, but for a one off thing? Not worth worrying about IMHO. Grant Darwin NT |
Stephen "Heretic" ![]() Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628
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All the tasks were ghosts so I detached from the project and reattached which caused the ghost tasks to error out. . . So the tasks do NOT sit in limbo for 2 months and cause his wingmen undue delays ... Stephen ? ? |
Unixchick ![]() Send message Joined: 5 Mar 12 Posts: 815 Credit: 2,361,516 RAC: 22
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I thought it was a good idea Speedy. I know when I got ghosts I did what I could so my wingman wouldn't have to wait forever, and so they would clear the db sooner. The system has been having enough hiccups lately as it is, I would think every little bit would help. To stay on topic: I will note that I think the creation rate it is a bit low. It might meet demand, or might slowly dwindle, but it needs a kick in the pants to build the RTS up to normal. |
Stephen "Heretic" ![]() Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628
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Almost have all tasks reported, still about 500 to go on my last unreported host. Still getting nothing on all requests. . . I found that when I was having trouble reporting I set my caches very low so they would not request work, all the rigs then reported AOK. I noticed this because I had already set the Linux caches low as they had sufficient tasks and they were reporting just fine but the Windows boxes were not. So I set the windows boxes to minimum and then they were able to report we well. . . But like you, despite the fact that the RTS is overflowing there are still "no tasks available" Stephen :( |
Brent Norman ![]() Send message Joined: 1 Dec 99 Posts: 2786 Credit: 685,657,289 RAC: 835
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Did I miss another hiccup again?It's almost like you're shutting the system down when you go to bed ....
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Brent Norman ![]() Send message Joined: 1 Dec 99 Posts: 2786 Credit: 685,657,289 RAC: 835
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I wonder if they set the RTS cache to 100k to see if less stress in the files system would help the server performance. It sure seems that way to my eye.
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Chris904395093209d ![]() Send message Joined: 1 Jan 01 Posts: 112 Credit: 29,923,129 RAC: 6
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I wonder if they set the RTS cache to 100k to see if less stress in the files system would help the server performance. I was kinda wondering the same thing. Usually by this time the day after the weekly maint, the RTS cache is back to normal of around 500k. ~Chris
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Stephen "Heretic" ![]() Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628
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Did I miss another hiccup again?It's almost like you're shutting the system down when you go to bed .... . . Here I have the opposite issue , this machine 'shuts itself down' during the day when the heat gets too much to bear ... Stephen :( |
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