BOINC Pentathlon

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Vitalii Koshura

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Message 1390 - Posted: 9 May 2020, 21:51:59 UTC

Amicable Numbers was chosen for the next Pentathlon event. 5/12-5/17. Be prepared for a lot more traffic at that project and possible issues due to a huge amount of extra load.
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Sergei Chernykh
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Message 1391 - Posted: 10 May 2020, 5:32:12 UTC - in response to Message 1390.  

The server is ready for this.
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Kiska

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Message 1393 - Posted: 10 May 2020, 22:07:40 UTC
Last modified: 10 May 2020, 22:07:56 UTC

Quite a... sharp incline :D


Source: https://munin.kiska.pw/munin/static/dynazoom.html?cgiurl_graph=/munin-cgi/munin-cgi-graph&plugin_name=Munin-Node/Munin-Node/results_amicable&size_x=800&size_y=400&start_epoch=1588456859&stop_epoch=1589148059
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Howdy

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Message 1399 - Posted: 11 May 2020, 23:08:09 UTC

Hang on to the server, this part of the Pentathlon will be going live in less than 2 hours!
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Ciceronian

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Message 1403 - Posted: 16 May 2020, 0:19:30 UTC

Tasks ready to send 0
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cbigfoot

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Message 1404 - Posted: 16 May 2020, 1:41:12 UTC - in response to Message 1391.  
Last modified: 16 May 2020, 1:41:28 UTC

The server is ready for this.


yep sure...
Tasks ready to send 0
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crashtech

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Message 1405 - Posted: 16 May 2020, 3:02:39 UTC - in response to Message 1391.  
Last modified: 16 May 2020, 3:22:48 UTC

The server is ready for this.

(cue evil laughter)
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Sergei Chernykh
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Message 1406 - Posted: 16 May 2020, 7:34:20 UTC

It's a 6-core dedicated machine with 64 GB RAM, but the problem is the slow spinning HDD there, sorry! I turned off all non-essential background services, hope it will help.
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10esseeTony

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Message 1407 - Posted: 16 May 2020, 13:48:03 UTC - in response to Message 1406.  
Last modified: 16 May 2020, 13:48:35 UTC

There is only one essential service right now. Validation.

The work that has already been completed and turned in needs to take full priority, to ensure fair results in the Pentathlon, especially for the smaller or newer teams. The larger teams know we always break something. :) The new guys will just blame you instead.

Anyway, good luck, and get a freaking SSD already. :P
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Bas

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Message 1408 - Posted: 16 May 2020, 14:50:22 UTC - in response to Message 1407.  

The work that has already been completed and turned in needs to take full priority, to ensure fair results in the Pentathlon


Why would a silly contest take full priority? Are you important?

I agree on the ssd. :)
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xii5ku

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Message 1409 - Posted: 16 May 2020, 15:20:11 UTC - in response to Message 1408.  

Bas wrote:
Why would a silly contest take full priority?

The silly contest has gotten a whole lot of silly work accomplished here.
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Sergei Chernykh
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Message 1410 - Posted: 16 May 2020, 15:24:23 UTC

Nothing else but validator and scheduler is turned on now, but HDD just can't keep up. It didn't happen in the previous two years, I don't know why it's happening now.
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Skillz

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Message 1411 - Posted: 16 May 2020, 15:25:31 UTC

What's the health status on the HDD? Could it be going bad?
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Sergei Chernykh
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Message 1412 - Posted: 16 May 2020, 15:29:34 UTC - in response to Message 1411.  

I've checked RAID status with mdadm and it's all fine. It seems to be just a high load because of too short WUs.
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10esseeTony

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Message 1413 - Posted: 16 May 2020, 19:10:39 UTC - in response to Message 1412.  

Ahhhh. The joy of having incredibly powerful GPUs entering the market every year or so... :)

I know you feel bad about it, so thanks for working so hard to fix the problem, and letting us know the details.
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10esseeTony

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Message 1414 - Posted: 16 May 2020, 19:30:22 UTC

I don't know the capacity of your RAID array, so SSD(s) may be cost prohibitive for a short term problem. Is this one situation where that weird SSD thing Intel created could be of use? Optane, I think it is called.
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bluestang

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Message 1415 - Posted: 16 May 2020, 20:53:10 UTC
Last modified: 16 May 2020, 20:54:06 UTC

Why not just suspend new work and scheduler and let the validator run alone with no interference. Hell, I'd even suspend uploads too. No connections or nothing to bottleneck anything. Let them Pendings for everyone clear.
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10esseeTony

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Message 1416 - Posted: 16 May 2020, 21:00:42 UTC - in response to Message 1410.  

Nothing else but validator and scheduler is turned on now, but HDD just can't keep up. It didn't happen in the previous two years, I don't know why it's happening now.


Read much? :P
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Sergei Chernykh
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Message 1417 - Posted: 17 May 2020, 8:47:53 UTC

It looks like the validation queue will be cleared by the end of today.
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