Panic Mode On (42) Server problems

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Profile Helli_retiered
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Message 1065966 - Posted: 12 Jan 2011, 18:40:17 UTC

Another Thing - since 6 hours no AP download possible here. And there should be 750-900 Workunits
since 6 hours but - no Splitter running and no Tapes available. The Cricket Graph shows no Spike
over 60MBits/s last 14 hours what means no AP downloads.

Helli
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Message 1066436 - Posted: 14 Jan 2011, 2:49:32 UTC

Woooo! My prayers got answered! validated results no longer get purged in ~6 hours.. back to 24! (see Matt's post) Thank you thank you!
Linux laptop:
record uptime: 1511d 20h 19m (ended due to the power brick giving-up)
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Message 1066534 - Posted: 14 Jan 2011, 13:39:33 UTC

since 11:00 UTC been getting error messages are we downloading too much again
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Message 1066574 - Posted: 14 Jan 2011, 16:21:42 UTC - in response to Message 1066534.  

since 11:00 UTC been getting error messages are we downloading too much again


We are spiked over 90 again.
http://fragment1.berkeley.edu/newcricket/grapher.cgi?target=%2Frouter-interfaces%2Finr-250%2Fgigabitethernet2_3;view=Octets;ranges=d

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Message 1066588 - Posted: 14 Jan 2011, 16:56:54 UTC
Last modified: 14 Jan 2011, 16:58:19 UTC

Have hundreds of downloads hanging for hours.

But i dont get what i want still.


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Message 1066599 - Posted: 14 Jan 2011, 17:07:58 UTC - in response to Message 1066574.  

since 11:00 UTC been getting error messages are we downloading too much again


We are spiked over 90 again.
http://fragment1.berkeley.edu/newcricket/grapher.cgi?target=%2Frouter-interfaces%2Finr-250%2Fgigabitethernet2_3;view=Octets;ranges=d

There's been a few days almost without any AP tapes to split, meaning downloading have gone smoothly, now there's some tapes to split again and that means the bandwidth have been maxed for hours.
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Message 1066625 - Posted: 14 Jan 2011, 17:59:42 UTC - in response to Message 1066599.  

Not just AP - I got a big batch of shorties from the December '09 tapes, too. That always stresses the pipe to max.
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Message 1066626 - Posted: 14 Jan 2011, 18:00:08 UTC - in response to Message 1066599.  
Last modified: 14 Jan 2011, 18:11:08 UTC

since 11:00 UTC been getting error messages are we downloading too much again


We are spiked over 90 again.
http://fragment1.berkeley.edu/newcricket/grapher.cgi?target=%2Frouter-interfaces%2Finr-250%2Fgigabitethernet2_3;view=Octets;ranges=d

There's been a few days almost without any AP tapes to split, meaning downloading have gone smoothly, now there's some tapes to split again and that means the bandwidth have been maxed for hours.

That's certainly part of it, apparently the AP "ready to send" hasn't reached its high water mark which would make ap_splitter processes stop producing for awhile. But I think there may also be a shorty storm (high proportion of MB tasks being VHAR) involved. Because those tasks take only about 1/3 the time of midrange or lower, a request for MB work gets three times as many.

Those who have recently assigned work might take a look at the estimated times to see if I'm right. I'm guessing based on the facts that "Results received in last hour" is high and tasks are being "Sent" about 3 hours and 15 minutes after they were created.

Edit: Ah, I see Richard has already noted one "tape" with many VHARs. One of the changes the project implemented to try to avoid shorty storms was to have splitters each working on different "tape" files when practical, but it seems that doesn't apply to splitters on lando (perhaps because lando has only 4 GB RAM?).
                                                                Joe
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Message 1066630 - Posted: 14 Jan 2011, 18:28:03 UTC - in response to Message 1066626.  

Edit: Ah, I see Richard has already noted one "tape" with many VHARs. One of the changes the project implemented to try to avoid shorty storms was to have splitters each working on different "tape" files when practical, but it seems that doesn't apply to splitters on lando (perhaps because lando has only 4 GB RAM?).
                                                                Joe

More than one tape. The biggest number were on 24dc09ab, but also some from 26no10ag and 30dc09ai
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Message 1066722 - Posted: 14 Jan 2011, 22:36:18 UTC

I got ~300 for CPU and GPU.

CPU ETA 45 mins instead of 120
GPU ETA 6 mins instead of 30.




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Message 1066798 - Posted: 15 Jan 2011, 2:40:06 UTC
Last modified: 15 Jan 2011, 2:43:29 UTC

So I just now had a work request to SETI to get work, I got some interesting messages:

1/14/2011 6:30:59 PM SETI@home Message from server: No work can be sent for the applications you have selected
1/14/2011 6:30:59 PM SETI@home Message from server: No work is available for SETI@home Enhanced
1/14/2011 6:30:59 PM SETI@home Message from server: No work is available for Astropulse v5
1/14/2011 6:30:59 PM SETI@home Message from server: Your preferences allow work from applications other than those selected
1/14/2011 6:30:59 PM SETI@home Message from server: Sending work from other applications


Here's the kicker, I have not changed any of my preferences:

Run only the selected applications SETI@home Enhanced: yes
Astropulse v5: yes
Astropulse v5.05: no
If no work for selected applications is available, accept work from other applications? yes

Funny enough, the server status shows plenty of MB work, but yet it assigned me an AP task. Just thought I'd throw this out there and see if anyone else noticed this.

[edit]

The other thing is, the application that is supposed to use for running the AP task, is Astropulse_v505 5.05. So I don't know whats going on, but now I just got a MB task assigned too. LOL
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Message 1066804 - Posted: 15 Jan 2011, 2:48:05 UTC

Astropulse v5: yes
Astropulse v5.05: no


Should be reversed.

Astropulse v5: no
Astropulse v5.05: yes

Steve

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Message 1066828 - Posted: 15 Jan 2011, 3:58:38 UTC - in response to Message 1066804.  

Astropulse v5: yes
Astropulse v5.05: no


Should be reversed.

Astropulse v5: no
Astropulse v5.05: yes

Steve

Ok, now that I'm home I'll change it. I've just left it alone and never saw those messages before. LOL Thanks Steve!
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Message 1066837 - Posted: 15 Jan 2011, 4:10:39 UTC - in response to Message 1066828.  

Ok, now that I'm home I'll change it. I've just left it alone and never saw those messages before. LOL Thanks Steve!

Being home is a good thing! :D

Steve
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Message 1067359 - Posted: 16 Jan 2011, 17:23:43 UTC

Aargh...as soon as i have seen this Thread i have to check
the Server Status Page and the Cricket Graph. But what do i
see? Nothing. No Problems. :-)

Please do only post in this Thread in case of Emergency. :D

It's better for my Health. LOL

Helli
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Message 1067365 - Posted: 16 Jan 2011, 17:42:31 UTC

The only thing i dont like is i dont get enough astropulses for my GPU.
Even there are a lot ready to send.

A friend of mine got around 100 APs on a machine wich needs 90 hours a unit.
My GPU needs 2 hours each and i only get 50 in 2 days.

BTW crunched over 100 so far.




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Message 1067598 - Posted: 17 Jan 2011, 8:37:41 UTC

It seems workunits/results waiting for db purging is a little behind.
Never saw finnished astropulses that long in my task list.



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Message 1067619 - Posted: 17 Jan 2011, 11:28:54 UTC - in response to Message 1067598.  

It seems workunits/results waiting for db purging is a little behind.
Never saw finnished astropulses that long in my task list.

Matt increased the setting to allow completed results to stay available for 24 hours. That may account for the increase in unpurged WUs.
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Message 1067969 - Posted: 18 Jan 2011, 13:01:31 UTC - in response to Message 1067619.  

uh OH cannot connect to servers... 7 am central


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Message 1067975 - Posted: 18 Jan 2011, 13:13:39 UTC - in response to Message 1067969.  

Brief sojourn in that state, now everything is back to normal, whatever that might be....
Bob Smith
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Message boards : Number crunching : Panic Mode On (42) Server problems


 
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