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Panic Mode On (77) Server Problems?
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Gundolf Jahn Send message Joined: 19 Sep 00 Posts: 3184 Credit: 446,358 RAC: 0 |
There's a workaround if you are willing to jump through a few hoops. Click Account (bottom and/or top of this page) and then click on SETI@home preferences and set Use Nvidia GPU to NO. An additional advantage of this is that so lost VLARs are not resent to the GPU and timed out immediately! Gruß, Gundolf |
Richard Haselgrove Send message Joined: 4 Jul 99 Posts: 14650 Credit: 200,643,578 RAC: 874 |
Bandwidth is obviously an issue here, I've been wondering why it's restricted but the last few posts have helped. So if I understand it right: I think that pretty much sums it up. Maybe just a couple more points... 7) The Hurricane Electric gigabit link actually terminates at Palo Alto, the other side of San Francisco Bay from Berkeley. There's a powerful dedicated router in the data centre there - donated by a volunteer - which supports a VPN to a matching router in the SSL. That makes configuration changes difficult. 8) The connection between SSL on the hill, and the campus network centre that all the cables pass through, has gone through many changes over the years. One time, a substantial length of copper wire was dug up and stolen for scrap. I think it would probably be over-simplistic to describe the current connection as "one single fiber" - but I don't know the full story. |
Wiggo Send message Joined: 24 Jan 00 Posts: 34744 Credit: 261,360,520 RAC: 489 |
There's a workaround if you are willing to jump through a few hoops. Click Account (bottom and/or top of this page) and then click on SETI@home preferences and set Use Nvidia GPU to NO. As soon as an outage is over I set all my rigs to accept CPU work only and once those requests are finished do I then return them to accepting GPU work (each PC also has a separate venue so I can adjust the settings as each one needs it). [P/S] But it would be nice if the SETI@home science database could be turned back on. Cheers. |
Jord Send message Joined: 9 Jun 99 Posts: 15184 Credit: 4,362,181 RAC: 3 |
We're not seeing significantly more upload failures on the server side than usual from what I can tell. 20 to 30 successful uploads per second. Are there any geographic or ISP similarities for people who are having problems? Last week I had to help BOINC along get work, going for the Retry option in the Transfers tab multiple times. Or exiting BOINC & restarting it. Or by aborting the couple of really stuck downloads. This week however, I've yet have to help BOINC along. At the time of writing this answer there's nothing waiting to upload or download and my cache (1.00 + 0.50) is full. Perhaps that I got into Mike's cloud of no trouble. :-) |
juan BFP Send message Joined: 16 Mar 07 Posts: 9786 Credit: 572,710,851 RAC: 3,799 |
But the main question remains unaswered: Why each time the Ap_spliting starts we can´t DL MB? The saturation of the Bandwith is undestanded by all, but there are some simple tricks to bypass problems like that until they do the policits work to get more band. A simple load balancing IE something 25% for AP and 75% for MB will keep the data flow. slower OK but is better than nothing. Just to clarify i have nothing against AP, just whant to keep my host working on the searching for our little green friends. I think somebody miss the main focus of the project, the SETI so they need to keep the SETI work (MB) running, if they could use the data and the resources to another project (AP) thats OK and makes all sense but only if they could supply both projects with work. If you look closely, when AP is out, the saturation of the Band still at almost 100%, so the MB alone uses almost all the band avaiable, so if you try to extract more from the band problems like this must be expected. And you could expect more and more problems as the GPU´s get faster and worldwide spreaded, a lot of new >50K RAC crunchers will apear in the next months and they need to be feeded. So any temporary solution will not last for a while. |
Cruncher-American Send message Joined: 25 Mar 02 Posts: 1513 Credit: 370,893,186 RAC: 340 |
Hey - what happened to available WUs? I noticed the splitters are turned off - did they run out of tapes? Or is new code being installed (I hope) to take care of the shorty problem? |
David S Send message Joined: 4 Oct 99 Posts: 18352 Credit: 27,761,924 RAC: 12 |
We're not seeing significantly more upload failures on the server side than usual from what I can tell. 20 to 30 successful uploads per second. Are there any geographic or ISP similarities for people who are having problems? I had a backlog of uploads (a fairly small one, compared to what others here are describing) late last week, but it was slow-but-okay (uploads lingered on the Transfers tab for over 10 seconds as opposed to normal where they're gone in under 3 seconds and often so fast I can't even see them) Sunday evening (I think). I don't, however, monitor my machines constantly or even daily -- mostly every fourth day I spend about an hour with them, and if everything is okay I use most of that time playing Internet Backgammon on my Win7 box (match is 5 points, not 3 like on XP). I'm on AT&T U-verse in the Chicago suburbs. David Sitting on my butt while others boldly go, Waiting for a message from a small furry creature from Alpha Centauri. |
skildude Send message Joined: 4 Oct 00 Posts: 9541 Credit: 50,759,529 RAC: 60 |
At times like these I'm glad to jump over to a backup project like Milkyway, LHC, or Cosmology to keep my machines crunching. I'll stop the backup projects when the crisis here is over In a rich man's house there is no place to spit but his face. Diogenes Of Sinope |
David S Send message Joined: 4 Oct 99 Posts: 18352 Credit: 27,761,924 RAC: 12 |
Here we go! The science database is back online and a couple of splitter tapes are running, in the last 20 minutes. No doubt someone started that as soon as he came in this morning. David Sitting on my butt while others boldly go, Waiting for a message from a small furry creature from Alpha Centauri. |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13722 Credit: 208,696,464 RAC: 304 |
Glad to see the splitters splitting again. Unfortunately we still have the same problem with them as since the last outage-- they aren't splitting enough work to keep up with demand, let alone to create a Ready to Send buffer. Grant Darwin NT |
Len Send message Joined: 15 Mar 10 Posts: 52 Credit: 11,725,173 RAC: 86 |
Yup, downloading is borked again :-( ... and its not just seti@home either. I tried rejoining CPDN in order to get something for the CPU cores to nibble on during the day. All I'm getting there is project backoff, yet SETI is able to 'send 111 of those tasks that expire before the download is complete. This after a rash of tiny tasks that take longer to download than they do to crunch. I could be a happier bunny I guess. I think I am. Therefore I am. I think. |
juan BFP Send message Joined: 16 Mar 07 Posts: 9786 Credit: 572,710,851 RAC: 3,799 |
We're not seeing significantly more upload failures on the server side than usual from what I can tell. 20 to 30 successful uploads per second. Are there any geographic or ISP similarities for people who are having problems? DLs < 1kbps |
chromespringer Send message Joined: 3 Dec 05 Posts: 296 Credit: 55,183,482 RAC: 0 |
We're not seeing significantly more upload failures on the server side than usual from what I can tell. 20 to 30 successful uploads per second. Are there any geographic or ISP similarities for people who are having problems? 10/4/2012 6:40:43 PM | SETI@home | Computation for task 02au12af.4481.63107.140733193388039.10.32_1 finished 10/4/2012 6:40:43 PM | SETI@home | Starting task 02au12af.4481.63107.140733193388039.10.74_1 using setiathome_enhanced version 603 in slot 3 10/4/2012 6:40:45 PM | SETI@home | Started upload of 02au12af.4481.63107.140733193388039.10.32_1_0 10/4/2012 6:40:52 PM | SETI@home | Finished upload of 02au12af.4481.63107.140733193388039.10.32_1_0 10/4/2012 6:42:08 PM | SETI@home | Computation for task 02au12af.4481.63107.140733193388039.10.44_1 finished 10/4/2012 6:42:08 PM | SETI@home | Starting task 02au12af.4481.63107.140733193388039.10.134_0 using setiathome_enhanced version 603 in slot 5 10/4/2012 6:42:10 PM | SETI@home | Started upload of 02au12af.4481.63107.140733193388039.10.44_1_0 10/4/2012 6:42:16 PM | SETI@home | Finished upload of 02au12af.4481.63107.140733193388039.10.44_1_0 10/4/2012 6:42:18 PM | SETI@home | Computation for task 01se10aa.17614.19014.140733193388041.10.63_1 finished 10/4/2012 6:42:18 PM | SETI@home | Starting task 01se10aa.17614.19014.140733193388041.10.177_0 using setiathome_enhanced version 610 (ati13ati) in slot 1 10/4/2012 6:42:20 PM | SETI@home | Started upload of 01se10aa.17614.19014.140733193388041.10.63_1_0 10/4/2012 6:42:26 PM | SETI@home | Finished upload of 01se10aa.17614.19014.140733193388041.10.63_1_0 Huge improvement :) .. all uploads completed and downloads are cruising along @ 25-40 kbps |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13722 Credit: 208,696,464 RAC: 304 |
Huge improvement :) .. all uploads completed and downloads are cruising along @ 25-40 kbps It'd just be nice if there were work to download, most of the time there isn't. Grant Darwin NT |
.clair. Send message Joined: 4 Nov 04 Posts: 1300 Credit: 55,390,408 RAC: 69 |
I think i will join GoastBusters@home I get more work from them, up to twenty at a time. |
chromespringer Send message Joined: 3 Dec 05 Posts: 296 Credit: 55,183,482 RAC: 0 |
Huge improvement :) .. all uploads completed and downloads are cruising along @ 25-40 kbps That be a truth .. however in the last hour i've received 60 tasks for the cpu .. the likes i haven't seen for well over a week |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13722 Credit: 208,696,464 RAC: 304 |
however in the last hour i've received 60 tasks for the cpu .. the likes i haven't seen for well over a week I'm still getting work, but not that much. Probably every 4th or 5th request results in work. So my caches continue to shrink, but much more slowly than they have been. Grant Darwin NT |
rob smith Send message Joined: 7 Mar 03 Posts: 22160 Credit: 416,307,556 RAC: 380 |
A quick look at the server status page - tapes available, but splitters not splitting them, and no tasks available. As its Friday afternoon here I'll pull up a chair, pop the top on a beer and sip it quietly... Bob Smith Member of Seti PIPPS (Pluto is a Planet Protest Society) Somewhere in the (un)known Universe? |
Link Send message Joined: 18 Sep 03 Posts: 834 Credit: 1,807,369 RAC: 0 |
The splitters are spliting them, current result creation rate for MB is 32.5953/sec. Apparently not enough to build up any ready to send buffer, but enough to max out the bandwidth. |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13722 Credit: 208,696,464 RAC: 304 |
however in the last hour i've received 60 tasks for the cpu .. the likes i haven't seen for well over a week Although the splitters are still limited in what they can produce, luckily most of the current WUs aren't shorties, so my cache has actually grown overnight. Not enough to get a cache of CPU work (i'm always only hours from running out), but at least my cache of GPU work has stopped shrinking. Now if they could just crank the splitters up a couple of notches... Grant Darwin NT |
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