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Cyclops
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2023-04-06 Update (WU Distribution Update)

WU Distribution Update

We are working towards resuming a consistent WU supply similar to what we had before the storage system failure. The recent sparsity of OPN1 WU was caused by a batch that has blocked the create-work process for all other projects. We have found and fixed the glitch, and the system is busy creating work for OPN1 right now. We still have an ARP1 backlog of unsent results (see ARP project update ), but we now have a spare capacity for a larger backlog. After OPN1 work units are prepared, the system will prepare ARP1 work units.

On the back end, we still had to finalize setup of the new storage as there was a networking issue that was preventing us from accessing the tape archive. Data center admins have helped to fix it, and the production system on the new storage is being backed up.

We continue to investigate the errors in the BOINC system services, specifically assimilators and validators. Unfortunately, the application is written such that an unexpected error halts the service (which happened when our storage system failed). We are attempting to clear out the problematic data to allow the applications to continue processing other results, but BOINC doesn't seem to have an easy method of flushing specific workunits or results out of its system.

If you have any comments or questions, please leave them in this thread for us to answer. Thank you for your support, patience and understanding.

WCG team

[Apr 6, 2023 7:44:16 PM]

Speedy51
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Re: 2023-04-06 Update (WU Distribution Update)

Thank you for the update. I have 6 pages of Opn1 (CPU tasks) pending verification, returned on 4/3 or 4/4. Hopefully these will clear in the coming day or 2

Here are a few of the task names that I have "pending verification"

OPN1_0128917_01594_0
OPN1_0128917_01584_0
OPN1_0128917_01589_0

Update work has started to be Verified. Keep up the great work is much appreciated

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[Edit 3 times, last edit by Speedy51 at Apr 7, 2023 9:26:44 AM]

[Apr 6, 2023 11:17:00 PM]

Mike.Gibson
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Re: 2023-04-06 Update (WU Distribution Update)

I seem to have a problem with priority units. They are showing a correct deadline of +3 days but are not being crunched earlier than as if they were on +6 days. This has been occurring on MCM1 & OPN1. I am connected to 7.20.2.

Mike

[Apr 7, 2023 1:32:19 AM]

Mike.Gibson
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Re: 2023-04-06 Update (WU Distribution Update)

I have my cache set to 5+1 days. With an 8-thread machine that should result in at least 40 CPU days work.

However, I only have 12 days of ARP, 7 hours OPN and 3 hours MCM but my event log says not requesting tasks:don't need!

I have app_config set to a maximum of 4 ARP, 2 OPN & 2 MCM. That means 3 days work for my ARP threads, only 2 OPN units for another 2.5 hours and only 1 MCM unit for another 80 minutes.

I am crunching version 7.20.2 with Windows 7.

Mike

[Apr 7, 2023 2:51:36 PM]

Crystal Pellet
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Re: 2023-04-06 Update (WU Distribution Update)

I have my cache set to 5+1 days. With an 8-thread machine that should result in at least 40 CPU days work.

This is only true, if that machine was running 24/7 for a long period, before asking more work.

However, I only have 12 days of ARP, 7 hours OPN and 3 hours MCM but my event log says not requesting tasks:don't need!

You could check in client_state.xml, whether in time_stats the on_frac value is near 1 or much lower.

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[Apr 7, 2023 4:03:09 PM]

Mike.Gibson
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Re: 2023-04-06 Update (WU Distribution Update)

I have my cache set to 5+1 days. With an 8-thread machine that should result in at least 40 CPU days work.

This is only true, if that machine was running 24/7 for a long period, before asking more work.

However, I only have 12 days of ARP, 7 hours OPN and 3 hours MCM but my event log says not requesting tasks:don't need!

You could check in client_state.xml, whether in time_stats the on_frac value is near 1 or much lower.

<on_frac>0.973955</on_frac>
<connected_frac>0.999969</connected_frac>
<cpu_and_network_available_frac>0.999966

Thanks

Mike

[Apr 7, 2023 4:45:57 PM]

Grumpy Swede
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Re: 2023-04-06 Update (WU Distribution Update)

Our old "foe", "transient HTTP error", is back with a vengeance. I think they started sending out OPNG tasks, at the same time as ARP1 tasks are being sent out. That hasn't worked before, and it sure doesn't work now.

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[Edit 2 times, last edit by Grumpy Swede at Apr 8, 2023 9:06:14 AM]

[Apr 8, 2023 9:04:14 AM]

adriverhoef
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Re: 2023-04-06 Update (WU Distribution Update)

Well, Grumpy Swede, although I'm seeing "transient HTTP error", too, the problem is not downloading tasks, but it is uploading them instead. Will post back when the problem is resolved for me or when my upload queue is empty again.

Anyway, the problems are transient, so there's hope. smile

UPDATE:
The problem started for me at 08:14 UTC today:
08-Apr-2023 10:14:16 [World Community Grid] Temporarily failed upload of OPN1_0129309_01811_0_r2116729635_0: transient HTTP error

Sometimes an upload succeeds.

The upload speed of ARP1-files is nearly abysmally slooooow:

$ wcgresults -X
Up/Down    Speed   Sticky   Active    Elapsed	 Xferred	Filename
  up 	  0  B/s       no       no    0:00:21	  130724	ARP1_0003625_133_1_r415689557_1
  up 	  0  B/s       no       no    0:00:24	     107	ARP1_0003625_133_1_r415689557_4
  up 	  0  B/s       no       no    0:00:13	     107	ARP1_0004384_134_0_r1959148253_1
  up 	  0  B/s       no       no    0:00:15	     107	ARP1_0004384_134_0_r1959148253_4
  up 	  0  B/s       no       no    0:00:04	     107	ARP1_0004384_134_0_r1959148253_5
  up 	  0  B/s       no       no    0:00:05	     239	ARP1_0004384_134_0_r1959148253_6
  up 	 14 kB/s       no      yes    0:15:28	13041011	ARP1_0013565_134_0_r1936221568_1
  up 	 14 kB/s       no      yes    0:02:32	 2031131	ARP1_0013565_134_0_r1936221568_2
  up 	  0  B/s       no       no    0:00:00	       0	ARP1_0013565_134_0_r1936221568_3
  up 	  0  B/s       no       no    0:00:00	       0	ARP1_0013565_134_0_r1936221568_4
  up 	  0  B/s       no       no    0:00:00	       0	ARP1_0013565_134_0_r1936221568_5
  up 	  0  B/s       no       no    0:00:00	       0	ARP1_0013565_134_0_r1936221568_6
  up 	  0  B/s       no       no    0:00:24	    8990	MCM1_0197383_4956_0_r1912020586_0
  up 	  0  B/s       no       no    0:00:08	   27272	OPN1_0129258_00073_0_r1447773770_0
  up 	  0  B/s       no       no    0:00:00	       0	OPN1_0129258_00077_0_r758778455_0
  up 	  0  B/s       no       no    0:00:00	       0	OPN1_0129258_00087_0_r713744843_0
  up 	  0  B/s       no       no    0:00:34	   26848	OPN1_0129258_00104_0_r466033273_0
  up 	  0  B/s       no       no    0:00:08	   27008	OPN1_0129305_00969_0_r1403190389_0
  up 	  0  B/s       no       no    0:00:10	     107	OPN1_0129305_01013_0_r1962884788_0
  up 	  0  B/s       no       no    0:00:05	     107	OPN1_0129309_02241_0_r1350402589_0
  up 	  0  B/s       no       no    0:00:00	       0	OPN1_0129339_01892_0_r2032851162_0
  up 	  0  B/s       no       no    0:00:00	       0	OPN1_0129339_01901_0_r1248929576_0
  up 	  0  B/s       no       no    0:00:00	       0	OPN1_0129339_01937_0_r1682900680_0
  up 	  0  B/s       no       no    0:00:05	     107	OPN1_0129339_01944_0_r176053620_0
  up 	  0  B/s       no       no    0:00:24	     107	OPNG_0172814_00033_1_r1183631947_0
  up 	  0  B/s       no       no    0:00:28	     107	OPNG_0172814_00033_1_r1183631947_1
  up 	  0  B/s       no       no    0:00:22	     107	OPNG_0172814_00037_1_r684796484_0
  up 	  0  B/s       no       no    0:00:00	       0	OPNG_0172814_00060_1_r302969735_0
  up 	  0  B/s       no       no    0:00:00	       0	OPNG_0172814_00060_1_r302969735_1
  up 	  0  B/s       no       no    0:00:04	     107	OPNG_0172818_00020_0_r1169934065_0
  up 	  0  B/s       no       no    0:00:00	       0	OPNG_0172818_00030_0_r943811290_0
  up 	  0  B/s       no       no    0:00:00	       0	OPNG_0172818_00030_0_r943811290_1
  up 	  0  B/s       no       no    0:00:19	     107	OPNG_0172818_00033_0_r1622361912_0
  up 	  0  B/s       no       no    0:00:06	  130723	OPNG_0172818_00045_0_r236970297_1
  up 	  0  B/s       no       no    0:00:00	       0	OPNG_0172818_00048_0_r16789234_0
  up 	  0  B/s       no       no    0:00:00	       0	OPNG_0172818_00048_0_r16789234_1

Adri

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[Edit 2 times, last edit by adriverhoef at Apr 8, 2023 10:50:20 AM]

[Apr 8, 2023 10:32:56 AM]

Dayle Diamond
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Re: 2023-04-06 Update (WU Distribution Update)

It's not just you, GS, I'm getting it when I try to upload OPN work.

[Apr 8, 2023 10:37:03 AM]

Grumpy Swede
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Re: 2023-04-06 Update (WU Distribution Update)

@adriverhoef

Yes, it's uploading I was talking about. I failed to say that. Downloading is pretty OK here. The last time we had the same transient crap, it was for both downloading and uploading.

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[Apr 8, 2023 10:58:55 AM]

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