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Panic Mode On (112) Server Problems?
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Keith Myers Send message Joined: 29 Apr 01 Posts: 13161 Credit: 1,160,866,277 RAC: 1,873 |
That's the same comment I made in the unexplained slowness thread. Until Eric informs up just what that process does, all we can do is speculate. I haven't caught the splitters entirely shutoff this week. Last week, yes. So, maybe your speculation that the process really is a throttle and actually performs that function, which by standard definition slows or speeds up a function, but usually does not entirely stop the function or kill it. Your guess is as good as mine. It looks like the requests to the scheduler are getting filled regularly. And the uploads are basically back working normally. So back to the new normal it seems. I too wonder how the servers will fare once the Arecibo work disappears for longer than a week and the results returned per hour creeps back up. Will we run into the ever climbing pending deletions again or not? Seti@Home classic workunits:20,676 CPU time:74,226 hours A proud member of the OFA (Old Farts Association) |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13720 Credit: 208,696,464 RAC: 304 |
Will we run into the ever climbing pending deletions again or not? That's what was happening before all the new AP work & the release of Arecibo VLARs to Nvidia GPUs. So unless they've made some more database tweaks since then, if the Returned-last-hour gets back over 120k sustained, we can expect issues again. Grant Darwin NT |
Wiggo Send message Joined: 24 Jan 00 Posts: 34744 Credit: 261,360,520 RAC: 489 |
If SETI ran constant numbers then your theory might have a chance, but knowing what I know tells me that your theory is flawed (just like CreditScrew). Nothing here now works on stable averages anymore Keith (and it hasn't for years now) and that's the flaw in your thinking as even 10min SSP snapshots can turn out to be 20-30mins snapshots more often than not.I see the new splitter_throttle_sah process is not running now. Hasn't started back up since I first checked on the project 45 minutes ago and the RTS buffer was down in the mid 500K range. Up to 620K range now. Wonder if this is the reason we are not getting any work. It was enabled all the time since Sunday and only went disabled for the outage.You must remember Keith that the SSP only gives a snapshot of what is going on at that moment and between those moments that process could've been on/off a few times in between and work is getting out (you just have to be lucky enough to get in 1st before others do or you miss out and there are a lot of us hitting them up atm). ;-) Cheers. |
Jord Send message Joined: 9 Jun 99 Posts: 15184 Credit: 4,362,181 RAC: 3 |
Or, with the snapshot happening every 10 minutes on a whole number (e.g. 9:00, 9:10, 9:20, 9:30, 9:40, 9:50, 10:00), it running and stopping at 9:05, 9:07, 9:11, 9:13, 9:25, 9:43, 9:47, 9:55 and 9:59 shows it as not running at all the times one checks in. |
Keith Myers Send message Joined: 29 Apr 01 Posts: 13161 Credit: 1,160,866,277 RAC: 1,873 |
Been getting mostly GBT tasks since the Arecibo work stopped a day ago. Thinking the RTS buffer now contains mostly GBT work, I have been watching and waiting for the results returned per hour to start moving upwards. Haven't seen any sign of that so far. Still hanging around 102K per hour. Grant and I expect the servers to start having issues again once the results returned per hour starts moving past 120K. Maybe the average turnaround time is much greater for the bulk of the hosts and so it will take a long sustained absence of Arecibo work before the returned results per hour starts climbing again. In the meantime, new Arecibo tasks are being generated again so enjoy the well working project for the while. Seti@Home classic workunits:20,676 CPU time:74,226 hours A proud member of the OFA (Old Farts Association) |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
. . Getting a LOT of Arecibo VLARs here again. Stephen :( |
Keith Myers Send message Joined: 29 Apr 01 Posts: 13161 Credit: 1,160,866,277 RAC: 1,873 |
Yea, the respite from Arecibo tasks was very short. I too am back to mostly a 60/30 mix of Arecibo/GBT work. Don't know how that happens when there are more splitters on the GBT files compared to the Arecibo files. Seti@Home classic workunits:20,676 CPU time:74,226 hours A proud member of the OFA (Old Farts Association) |
Wiggo Send message Joined: 24 Jan 00 Posts: 34744 Credit: 261,360,520 RAC: 489 |
The only problem that I have ATM with VLAR's to GPU is that they are playing havoc with the estimated CPU times on this old rig of mine that I put back into action almost 5 days ago after 6yrs of being away in the hands of someone else. Cheers. |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13720 Credit: 208,696,464 RAC: 304 |
Server status numbers no longer updating, Graphs have flat lined. Grant Darwin NT |
rob smith Send message Joined: 7 Mar 03 Posts: 22158 Credit: 416,307,556 RAC: 380 |
As I type ssp is timed 09:30 utc, or only a couple of minutes old... Bob Smith Member of Seti PIPPS (Pluto is a Planet Protest Society) Somewhere in the (un)known Universe? |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13720 Credit: 208,696,464 RAC: 304 |
As I type ssp is timed 09:30 utc, or only a couple of minutes old... The page might be that old, unfortunately much of the data is much older. Grant Darwin NT |
Cruncher-American Send message Joined: 25 Mar 02 Posts: 1513 Credit: 370,893,186 RAC: 340 |
Make that 6 hours. |
Unixchick Send message Joined: 5 Mar 12 Posts: 815 Credit: 2,361,516 RAC: 22 |
looks like someone got s@h up again...bad news is no WUs at the moment. |
Bill G Send message Joined: 1 Jun 01 Posts: 1282 Credit: 187,688,550 RAC: 182 |
looks like someone got s@h up again...bad news is no WUs at the moment. ? all my computers are 100% full. SETI@home classic workunits 4,019 SETI@home classic CPU time 34,348 hours |
Sirius B Send message Joined: 26 Dec 00 Posts: 24875 Credit: 3,081,182 RAC: 7 |
27/04/2018 15:51:58 | SETI@home | Sending scheduler request: To fetch work. 27/04/2018 15:51:58 | SETI@home | Requesting new tasks for CPU 27/04/2018 15:52:01 | SETI@home | Scheduler request completed: got 28 new tasks |
Kissagogo27 Send message Joined: 6 Nov 99 Posts: 715 Credit: 8,032,827 RAC: 62 |
at this time splitter_throttle_sah bruno Running Database/file status BOINC Database Engine State # As of* Master database queries/second 1,181 0m Replica seconds behind master 73 0m Data Distribution State SETI@home v7 # Astropulse # SETI@home v8 # As of* Results ready to send 0 0 606,420 0m Current result creation rate ** 0/sec 1.1812/sec 45.7224/sec 5m Results out in the field 0 185,781 4,329,142 0m Results received in last hour ** 0 4,153 94,338 0m Result turnaround time (last hour average) ** 0.00 hrs 29.97 hours 35.13 hours 0m Results returned and awaiting validation 0 108,120 3,605,449 0m Workunits waiting for validation 0 0 217 0m Workunits waiting for assimilation 0 2 190 0m Workunit files waiting for deletion 0 97 2,748 0m Result files waiting for deletion 0 1 0 0m Workunits waiting for db purging 0 34,394 1,097,668 0m Results waiting for db purging 71 73,331 2,276,984 0m Transitioner backlog (hours) 0 0m |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13720 Credit: 208,696,464 RAC: 304 |
at this time It's been running most of the day. Doesn't seem to have had much effect on anything. Grant Darwin NT |
Keith Myers Send message Joined: 29 Apr 01 Posts: 13161 Credit: 1,160,866,277 RAC: 1,873 |
I too don't see much of an effect of it running on the SSP. Unless it has something to do with the frequency/amplitude change in the result creation rate Weekly graph at Haveland. Since the process came into existence that graph is showing much higher frequency cycles between off and on. The amplitude is slightly lower too. Seti@Home classic workunits:20,676 CPU time:74,226 hours A proud member of the OFA (Old Farts Association) |
Speedy Send message Joined: 26 Jun 04 Posts: 1639 Credit: 12,921,799 RAC: 89 |
It will be interesting to see how much work comes from blc05_2bit_blc05_guppi_58152_83520_DIAG_PSR_J0645+5158_0006 Its size is 0.00 GB Does anybody know what the +5158_0006 means? I am thinking perhaps they are now joining little bits of tape on to bigger tapes to bring them up to just over 104 GB |
Keith Myers Send message Joined: 29 Apr 01 Posts: 13161 Credit: 1,160,866,277 RAC: 1,873 |
No that isn't it. The tape names have the names of the target star, exoplanet, pulsar or galaxy. That file just uses the name from the astromical PSR catalog of pulsars. PSR J0645+5158 - Simbad Seti@Home classic workunits:20,676 CPU time:74,226 hours A proud member of the OFA (Old Farts Association) |
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