Panic Mode On (101) Server Problems?

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Profile Jimbocous Project Donor
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Message 1741362 - Posted: 11 Nov 2015, 17:09:36 UTC - in response to Message 1741360.  

And splitters are online again.

Pleasant surprise. Thanks!!
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WezH
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Message 1741365 - Posted: 11 Nov 2015, 17:21:39 UTC - in response to Message 1741362.  

And splitters are online again.

Pleasant surprise. Thanks!!


Well, don't thank me, thank S@H staff :)

Another thing is to get them, it's just a luck of draw, if Your hosts request of new tasks is right then where there is WU's ready to send...
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Message 1741398 - Posted: 11 Nov 2015, 19:51:14 UTC

Once upon a time,

... There was this land of Databases. The Databases were mighty and hidden by the mist and the tales of mystery. In the land of Databases the Transactions were the most mysterious creatures of them all. The transactions needed to do their everyday tasks uninterrupetd - so nobody dared to disrupt their work. Not even the mightiest of them all: "The ones that could speak SQL - the secret query language".

One day, an expert in the field decided that it was time to show that he had grown up so much, learned enough, knew it all, ... He had read from a secret manual that there were some powerful secret spells - so secret that hardly no-one knew: The "SQL Alter table commands!"

At That Exact moment the land of Databases was deemed to the doom. When he murmured the words as he wrote them into to the central database command prompt and hit the enter key --- The database Stopped - curled down to a halt.

The Transactions laughed ... "We did it!" - they yelled behind and underneath the hard drive arrays cooling fans and SCSI cache controllers.

The end.


a) This is a nightmare. Explain in a few sentences how You could end up in such a nightmare.
b) Do the events like in this nightmare exist in real life?
c) If yes, please explain how would the events change THE real-life.
To overcome Heisenbergs:
"You can't always get what you want / but if you try sometimes you just might find / you get what you need." -- Rolling Stones
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Message 1741440 - Posted: 11 Nov 2015, 23:26:11 UTC - in response to Message 1741398.  

Loved that peti33 :)
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Message 1741442 - Posted: 11 Nov 2015, 23:38:08 UTC - in response to Message 1741440.  
Last modified: 11 Nov 2015, 23:38:22 UTC

Loved that petri33 :)

+1
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Message 1741517 - Posted: 12 Nov 2015, 10:30:46 UTC - in response to Message 1741442.  

Loved that petri33 :)

+1

+2

Answer to c): It stopped global warming - for a day.
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Message 1741527 - Posted: 12 Nov 2015, 12:34:53 UTC

Something Strange with the Validator. I decided to fire up Windows XP again and run off a few 30 minute AP tasks on my GTX750Ti. One of the tasks came back with a Very low 'Reward'. I investigated. Seems there is a 630 running off continuous 30/30s and somehow the Validator thinks that matches My 1/0; http://setiathome.berkeley.edu/workunit.php?wuid=1962895849

This is Not very encouraging...if you know what I mean.
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Message 1741543 - Posted: 12 Nov 2015, 14:33:54 UTC - in response to Message 1741517.  

Loved that petri33 :)

+1

+2

Answer to c): It stopped global warming - for a day.


So true :)
To overcome Heisenbergs:
"You can't always get what you want / but if you try sometimes you just might find / you get what you need." -- Rolling Stones
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Message 1741716 - Posted: 13 Nov 2015, 10:04:09 UTC - in response to Message 1741543.  
Last modified: 13 Nov 2015, 10:04:51 UTC

Splitter output took a dive & hasn't fully recovered.

For some reason there are now 5 splitters working on 1 file, the other 2 splitters on 2 other files. 4 on 1 & 3 on 3 had been working well, 5 on 1 & 2 on 2 may be extremely sub-optimal?
Grant
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Message 1741747 - Posted: 13 Nov 2015, 13:55:55 UTC - in response to Message 1741101.  

Also to note.. not that it really matters at all, but if you take a look at your application details page for any machine... the old, discontinued apps have been purged (APv505/6, MB6).

I asked for an option to hide them (#1433), David chose to remove them. Is probably easier.

But, sadly, it removes the opportunity to verify that a new application or application version is performing as intended by comparison with previous versions. We can, for example, no longer look at the relative APR values for setiathome_enhanced and SETI@home v7 (the previous and current MB apps). Those should indicate whether <rsc_fpops_est> has been calibrated properly, and hence (IMH - but lone - O) whether CreditNew is likely to score jobs realistically.

David has now added a 'Show all versions' Button in the bottom left.

Claggy
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Message 1741754 - Posted: 13 Nov 2015, 14:16:12 UTC
Last modified: 13 Nov 2015, 14:17:15 UTC

Just for fun I attatched my Samsung S4 to SETI and I found that the faulty WU's has made their way to Android too.

01no11ac.12732.6374.6.12.115.vlar_1

After 4+ Hours of computing, I found that the progress was atuck at 0.6%.

so I aborted the task.

It works, but I do not expect the S4 to contribute much to my score. :)

ChrisD
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Message 1741853 - Posted: 13 Nov 2015, 20:25:13 UTC - in response to Message 1741754.  


so I aborted the task.

It works, but I do not expect the S4 to contribute much to my score. :)

ChrisD

you could try restarting Boinc or turning off and turning on your phone again and see whether it progresses normally, if not feel free to abort
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Message 1741870 - Posted: 13 Nov 2015, 22:58:23 UTC - in response to Message 1741754.  

Just for fun I attatched my Samsung S4 to SETI and I found that the faulty WU's has made their way to Android too.

01no11ac.12732.6374.6.12.115.vlar_1

After 4+ Hours of computing, I found that the progress was atuck at 0.6%.

so I aborted the task.

It works, but I do not expect the S4 to contribute much to my score. :)

ChrisD

I would actually abort VLARs on my S4. Is yours the quad 2.3GHz, 1.9GHz, or dual quad 1.6GHz/1.2GHz variant?
Mine is the quad 1.9GHz variant & after a few VLARs finished I decided they took entirely to long running 4 at a time. I was using the "only when plugged in" setting & it probably spent ~16-18 hours a day running.
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Message 1741891 - Posted: 14 Nov 2015, 0:09:34 UTC - in response to Message 1741870.  

Have they changed the ready-to-send buffer setting again? Almost up to 700,000 now.
Grant
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Message 1741934 - Posted: 14 Nov 2015, 2:59:06 UTC - in response to Message 1741891.  

Have they changed the ready-to-send buffer setting again? Almost up to 700,000 now.

Now pushing 800k. Wonder if they were limiting it by raw count, or perhaps by available disk space (preferred??)
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Message 1741966 - Posted: 14 Nov 2015, 5:15:35 UTC - in response to Message 1741934.  

Have they changed the ready-to-send buffer setting again? Almost up to 700,000 now.

Now pushing 800k. Wonder if they were limiting it by raw count, or perhaps by available disk space (preferred??)

Creeping up on 900k now. Either the limit got increased again... or the mechanism that tells the splitters to slow down isn't working.
Linux laptop:
record uptime: 1511d 20h 19m (ended due to the power brick giving-up)
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Message 1742123 - Posted: 14 Nov 2015, 20:10:37 UTC - in response to Message 1741966.  

Now over 1,000,000

SETI@home classic workunits 4,019
SETI@home classic CPU time 34,348 hours
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Message 1742132 - Posted: 14 Nov 2015, 20:48:50 UTC

It could possibly be too early to tell, but looking at the Haveland graphs, it seems 1M is probably the new high-water mark. I say that because the SSP right now shows 997k and the creation rate is in the low 10s instead of low 30s.

There's nothing inherently wrong with having a 1M RTS buffer.. I know there's disk space for it, but the main concern is "as long as the DB can handle that extra load."
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record uptime: 1511d 20h 19m (ended due to the power brick giving-up)
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Message 1742142 - Posted: 14 Nov 2015, 21:42:34 UTC - in response to Message 1742132.  

It could possibly be too early to tell, but looking at the Haveland graphs, it seems 1M is probably the new high-water mark. I say that because the SSP right now shows 997k and the creation rate is in the low 10s instead of low 30s.

There's nothing inherently wrong with having a 1M RTS buffer.. I know there's disk space for it, but the main concern is "as long as the DB can handle that extra load."

Well we never know where the limit is until it is crossed.
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Message 1742145 - Posted: 14 Nov 2015, 21:48:26 UTC - in response to Message 1742142.  

Well we never know where the limit is until it is crossed.

Would be nice to stress test the system by allowing 400 or more WUs per GPU cache.
Grant
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Message boards : Number crunching : Panic Mode On (101) Server Problems?


 
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