Panic Mode On (110) Server Problems?

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Message 1917300 - Posted: 6 Feb 2018, 5:34:07 UTC - in response to Message 1917297.  
Last modified: 6 Feb 2018, 5:34:52 UTC

Wonderful! A ST reference for the old-folk. That should be V'ger.
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Message 1917304 - Posted: 6 Feb 2018, 6:12:23 UTC - in response to Message 1917296.  

Glad to see not only do we have new work, but it's back to the previous longer GBT WU processing times. That'll help reduce the load on the servers, and make the work last that much longer before it all gets split & crunched.


. . Umm, I think that is the "old data" that was referred to. It seems it was GBT data not Arecibo. But it is the older 2 bit GBT stuff that is why it is longer running, if you note there is no 0 in the task names except for the (I've not seen/noticed any of these before) Blc0... tasks, and I was interested to see that they are Voyager1 related ...

. . It seems the new header/format that makes the latter work faster to process was not compatible with the old 2 bit files and thus the delay in them appearing on the splitters.

. . But it will reduce the load on the upload servers and other hardware while they last.

Stephen

. .
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Message 1917305 - Posted: 6 Feb 2018, 6:18:27 UTC

Don't think any of the 'old data' Jeff was trying to massage made it to the splitters other than the one 21GB file early yesterday morning. At least based on Eric's comment that the pre-process of the 'old data' ran into snags.

I've been seeing plenty of the old 2003 Arecibo data since work was reloaded Monday morning.
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Message 1917309 - Posted: 6 Feb 2018, 6:54:32 UTC - in response to Message 1917305.  
Last modified: 6 Feb 2018, 7:06:30 UTC

Don't think any of the 'old data' Jeff was trying to massage made it to the splitters other than the one 21GB file early yesterday morning. At least based on Eric's comment that the pre-process of the 'old data' ran into snags.

I've been seeing plenty of the old 2003 Arecibo data since work was reloaded Monday morning.


. . If you look at the dates of the current work you will see it is from January and February of 2016.

. . But judging by the run times, which though I expected them to be much as they used to be they are in fact are only about 10% to 15% longer than contemporay GBT tasks, I am guessing they solved the header or pre-processor issue.

. . I will have to have a closer look, I hadn't noticed any Arecibo work that old ...

Stephen

:)
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Message 1917312 - Posted: 6 Feb 2018, 7:45:02 UTC - in response to Message 1917309.  

I was mistaken, it was a 2007 tape. No, you were asleep when they loaded the one Arecibo 2007 shorty tape Monday morning around 1930 UTC. It lasted less than an hour. Got a couple of AP's out of it.

There was also a shorty AO tape from yesterday 05Feb18 loaded briefly. The ones we got later and are splitting must have come down from the intermediary Google Cloud that they are having to use until they figure out what has happened to their Internet2 connection to GBT.
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Message 1917343 - Posted: 6 Feb 2018, 21:00:34 UTC

. . WOW! That was the shortest outage I can remember ... only 7.5 hours ...

Stephen

8^0
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Message 1917349 - Posted: 6 Feb 2018, 21:58:24 UTC - in response to Message 1917343.  

Wow indeed. That one really surprised me with the short length. Was it because the databases were unusually small because of the lack of work since Friday?
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Message 1917354 - Posted: 6 Feb 2018, 22:14:00 UTC - in response to Message 1917349.  

Uploads and downloads without problems...Been a long time...
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Message 1917356 - Posted: 6 Feb 2018, 22:15:17 UTC - in response to Message 1917354.  

I had an issue with stuck downloads. Kept at it through half a dozen retries and the dam finally broke through.
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Message 1917365 - Posted: 6 Feb 2018, 22:44:46 UTC

Short, sweet and all caches were filled within 20mins of coming back online today.

Cheers.
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Message 1917366 - Posted: 6 Feb 2018, 23:00:45 UTC

'Ready to send' was well filled before we started, and these new tapes seem to be crunching for longer - it all helps.
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Message 1917384 - Posted: 7 Feb 2018, 0:34:28 UTC - in response to Message 1917349.  

Wow indeed. That one really surprised me with the short length. Was it because the databases were unusually small because of the lack of work since Friday?


. . That would be my guess ...

Stephen

:)
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Message 1917385 - Posted: 7 Feb 2018, 0:35:28 UTC - in response to Message 1917354.  

Uploads and downloads without problems...Been a long time...


. . Don't get used to it, it may change without notice ...

Stephen

:)
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Message 1917391 - Posted: 7 Feb 2018, 1:29:52 UTC

Short outrage ✔
Uploads and downloads working ✔
Forums loading OK ✔
Plenty of work ✔

Why do i find this unsettling? :)

Member of the People Encouraging Niceness In Society club.

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Message 1917397 - Posted: 7 Feb 2018, 1:51:52 UTC - in response to Message 1917391.  

Short outrage ✔
Uploads and downloads working ✔
Forums loading OK ✔
Plenty of work ✔

Why do i find this unsettling? :)

That sounds suspiciously like the 'contempt bred of familiarity'...........

"Sour Grapes make a bitter Whine." <(0)>
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Message 1917402 - Posted: 7 Feb 2018, 2:22:04 UTC
Last modified: 7 Feb 2018, 2:23:04 UTC

There was also a shorty AO tape from yesterday 05Feb18 loaded briefly

The Arecibo data from the observation run Saturday is paying out nicely, like the Arecibo data of old.

Task 2848185979

Run time 1 hours 52 min 23 sec
CPU time 1 hours 50 min 22 sec
Validate state Valid
Credit 104.63
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Message 1917406 - Posted: 7 Feb 2018, 3:21:56 UTC

So it does appear that the estimated flops on the Breakthrough splitters are WRONG!
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Message 1917412 - Posted: 7 Feb 2018, 4:11:31 UTC - in response to Message 1917406.  

You see that too? Yep, another confirmation that CreditScrew is in effect and broken.
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Message 1917431 - Posted: 7 Feb 2018, 10:51:27 UTC - in response to Message 1917391.  

Short outrage ✔
Uploads and downloads working ✔
Forums loading OK ✔
Plenty of work ✔

Why do i find this unsettling? :)


. . Because you should ... :)

Stephen

:)
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Message 1917435 - Posted: 7 Feb 2018, 11:09:53 UTC - in response to Message 1917402.  

There was also a shorty AO tape from yesterday 05Feb18 loaded briefly

The Arecibo data from the observation run Saturday is paying out nicely, like the Arecibo data of old.

Task 2848185979

Run time 1 hours 52 min 23 sec
CPU time 1 hours 50 min 22 sec
Validate state Valid
Credit 104.63


. . I wish I could say the same, most of the limited Arecibo work I am getting is on GPUs and is getting scores more like the GBT work. An occasional task will rise to the rarefied heights of high seventies. Aint technology wonderful .....

Stephen

:(
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Message boards : Number crunching : Panic Mode On (110) Server Problems?


 
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