Message boards : Number crunching : Slow progress and low cpu utilization
Message board moderation

To post messages, you must log in.

AuthorMessage
SK

Send message
Joined: 5 Oct 11
Posts: 2
Credit: 605,139
RAC: 0
Message 42887 - Posted: 15 Jun 2020, 16:03:11 UTC
Last modified: 15 Jun 2020, 16:06:34 UTC

Hello,
I see that progress is very slow and CPU is mostly idle, here is my statistic:


Application
Theory Simulation 300.06 (vbox64_theory)
Name
Theory_2390-1140451-16
State
Running
Received
6/9/2020 3:27:02 PM
Report deadline
6/19/2020 3:27:01 PM
Estimated computation size
3,600 GFLOPs
CPU time
00:43:35
CPU time since checkpoint
---
Elapsed time
1d 23:51:13
Estimated time remaining
7d 23:44:50
Fraction done
19.972%
Virtual memory size
54.68 MB
Working set size
667.57 MB
Directory
slots/2
Process ID
3968
Progress rate
0.360% per hour
Executable
vboxwrapper_26198ab7_windows_x86_64.exe

After "1d 23:43:51" i have only "00:43:31" CPU time. I see that CPU is busy around 2-3% in task manager. Limits are set to 25% but i have 8 logical cores.
Clicking on "Show graphics" leads to "Scientific Linux Test Page".
Other boinc projects can consume CPU w/o problems.
ID: 42887 · Report as offensive     Reply Quote
SK

Send message
Joined: 5 Oct 11
Posts: 2
Credit: 605,139
RAC: 0
Message 42888 - Posted: 15 Jun 2020, 20:44:01 UTC - in response to Message 42887.  

Ok, looks like these tasks (i had 2) are broken.
ID: 42888 · Report as offensive     Reply Quote
Profile MAGIC Quantum Mechanic
Avatar

Send message
Joined: 24 Oct 04
Posts: 969
Credit: 41,013,328
RAC: 6,527
Message 42889 - Posted: 16 Jun 2020, 0:13:21 UTC - in response to Message 42888.  
Last modified: 16 Jun 2020, 0:46:35 UTC

2020-06-11 11:04:07 (9384): Guest Log: 11:03:08 +03 +03:00 2020-06-11: cranky: [ERROR] 'cvmfs_config probe sft.cern.ch' failed
https://lhcathome.cern.ch/lhcathome/result.php?resultid=276924947

It looks like you suspended and restarted them several times and then did not get the OK on the next CVMFS probe that is required to actually run a Valid task.
And at times depending on your isp it will be running too slow to do that so it will be called a Failed connection.

( I also see you don't have the VB extension pack installed and some say it isn't needed but I always do that on mine so my only problem is always internet speed)

You also should update Boinc to version 7.16.7

and even at 1.0Mbps it is taking all day for this to be posted
ID: 42889 · Report as offensive     Reply Quote

Message boards : Number crunching : Slow progress and low cpu utilization


©2020 CERN