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Number crunching :
Panic Mode On (80) Server Problems?
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Keith White Send message Joined: 29 May 99 Posts: 392 Credit: 13,035,233 RAC: 22
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I've gotten 26 so far. Back of the envelope calculations suggest at a rate of 25 units per second could be downloaded, limited due to the pipe's bandwidth. This guesstimate doesn't include any outgoing bandwidth used to for control and status requests. Now since a significant number of us are using GPUs to help do the heavy lifting, a two day outage would have wiped out most if not all of our 100 unit queue so everybody wants 100 GPU units. That comes out to only filling 900 hosts per hour, best case. So how many active hosts out there crunching with one or more GPUs? 10,000? 20,000? So it's going to take a dozen hours or two to handle demand and that's doesn't include the fact that for the fastest among us could crunch 100 GPU units in under an hour and a good number of us in under a day. It'll take a bit. And since I've started writing this, I got 41 more. "Life is just nature's way of keeping meat fresh." - The Doctor |
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Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13994 Credit: 208,696,464 RAC: 304
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So it's going to take a dozen hours or two to handle demand and that's doesn't include the fact that for the fastest among us could crunch 100 GPU units in under an hour and a good number of us in under a day. It'll take a bit. My GTX 560Ti does roughly 200 WUs per day- if they are all 22min crunching time. Some are longer, most are shorter. On average it probably does closer to 300WU per day. When it can get them. Grant Darwin NT |
Wiggo Send message Joined: 24 Jan 00 Posts: 38497 Credit: 261,360,520 RAC: 489
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It seems that the feeder is having a bit of a problem feeding us. Cheers. |
Bernie Vine Send message Joined: 26 May 99 Posts: 9960 Credit: 103,452,613 RAC: 328
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Still just getting VLARS for the CPU. Never seen this many at once. Nothing for GPU. |
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Keith White Send message Joined: 29 May 99 Posts: 392 Credit: 13,035,233 RAC: 22
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Well so far I've gotten all of 67 MB units. 56 GPU, 11 CPU, none VLAR. I'm now at 99 GPU and 46 CPU. Like I said before, best super ideal guesstimate is that maybe 900 hosts can be fed 100 units per hour. At the current cricket levels I'll guess maybe 500 hosts per hour. So how many hosts want GPU units? How many do an Oliver Twist and ask for another full reload in 3/6/12/24 hours? "Life is just nature's way of keeping meat fresh." - The Doctor |
kittyman ![]() Send message Joined: 9 Jul 00 Posts: 51580 Credit: 1,018,363,574 RAC: 1,004
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Still just getting VLARS for the CPU. Never seen this many at once. Nothing for GPU. I set 'use nVidia GPU' to no for the night, will try to build some CPU cache. Otherwise the rigs were just asking for GPU and getting NOTHING. I'll enable GPU in the morning and see if anything's changed. Thanks for the heads up. "Time is simply the mechanism that keeps everything from happening all at once."
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Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13994 Credit: 208,696,464 RAC: 304
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I've been getting a mix of GPU & CPU work. Naturally the one with the faster GPU is struggling to get GPU work, the one with the faster CPU struggling to get CPU work. Probably getting work with every 20-30 requests. Certainly seems like the feeder is the culprit- plenty of work there, just none available. I suspect they might have tweaked a few things after the last outage- Scheduler responses are coming within 3-5 seconds. Before the outage, if it didn't timeout, it was a minute or 3. Grant Darwin NT |
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.clair. Send message Joined: 4 Nov 04 Posts: 1300 Credit: 55,390,408 RAC: 69
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My retry button is going to sue me for abuse, though i finaly got 03/01/2013 11:36:58 | SETI@home | Scheduler request completed: got 87 new tasks that will not last the day out, at least its somthing. |
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fscheel Send message Joined: 13 Apr 12 Posts: 73 Credit: 11,135,641 RAC: 0
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For th last two days I have two pc's that are unable to report completed tasks. Rampage 364 SETI@home 1/3/2013 5:59:04 AM Scheduler request failed: Couldn't connect to server any one else getting this or now what might be causing it? Frank |
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fscheel Send message Joined: 13 Apr 12 Posts: 73 Credit: 11,135,641 RAC: 0
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Solved..... turned off the proxy and it resumed working. |
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TBar Send message Joined: 22 May 99 Posts: 5204 Credit: 840,779,836 RAC: 2,768
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Something's definitely going on. When the Servers came back up yesterday I had 24 AstroPulses remaining. I've only received a handful since yesterday. I'm down to my last 3 at present. You can look around and see I'm not alone. Most of the computers I saw were out or only had a couple, one had 14. All I get is "Project has no tasks available" when asking for APs, even though the server page lists 25,000 ready to send. The last one finished in 12 minutes, now I have 2... |
kittyman ![]() Send message Joined: 9 Jul 00 Posts: 51580 Credit: 1,018,363,574 RAC: 1,004
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Something's definitely going on. When the Servers came back up yesterday I had 24 AstroPulses remaining. I've only received a handful since yesterday. I'm down to my last 3 at present. You can look around and see I'm not alone. Most of the computers I saw were out or only had a couple, one had 14. All I get is "Project has no tasks available" when asking for APs, even though the server page lists 25,000 ready to send. Yeah, either something is not working quite right, or they deliberately changed some settings. Even though there is beaucoup work ready to send, the bandwidth is not being fully utilized. It would appear to me that perhaps the scheduler/feeder combo might not be up to speed. "Time is simply the mechanism that keeps everything from happening all at once."
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TBar Send message Joined: 22 May 99 Posts: 5204 Credit: 840,779,836 RAC: 2,768
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Something's definitely going on. When the Servers came back up yesterday I had 24 AstroPulses remaining. I've only received a handful since yesterday. I'm down to my last 3 at present. You can look around and see I'm not alone. Most of the computers I saw were out or only had a couple, one had 14. All I get is "Project has no tasks available" when asking for APs, even though the server page lists 25,000 ready to send. I just received 2 more. If those go as fast as the last dozen or so, I'm good for about an hour. When looking around I also noticed quite a few people were below the 200 task limit. I'm well below 200 because I'm saving space for those elusive APs. |
Mike Send message Joined: 17 Feb 01 Posts: 34648 Credit: 79,922,639 RAC: 80
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I just got 100 units in less than 30 minutes. Download speed was ~150 KB/sec. But also every second retry gave me no tasks available. With each crime and every kindness we birth our future. |
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TBar Send message Joined: 22 May 99 Posts: 5204 Credit: 840,779,836 RAC: 2,768
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I just got 100 units in less than 30 minutes. I see 3 completed, a long time ago. This is you right? All AstroPulse v6 tasks for computer 5735690 The other one shows 3 in progress, I have 3 waiting. All AstroPulse v6 tasks for computer 359 |
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mikeej42 Send message Joined: 26 Oct 00 Posts: 109 Credit: 791,875,385 RAC: 9
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I just got 100 units in less than 30 minutes. If you ever get some assigned they download very fast here, even APs. I have 20 machines over 90, most are between 20-75 tasks, and still have 10 machines at 0.
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Bernie Vine Send message Joined: 26 May 99 Posts: 9960 Credit: 103,452,613 RAC: 328
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Yes the downloads are some of the fastest I have seen peaking at 350k here. Still have not received any GPU tasks, plenty of CPU! |
HAL9000 Send message Joined: 11 Sep 99 Posts: 6534 Credit: 196,805,888 RAC: 57
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Something's definitely going on. When the Servers came back up yesterday I had 24 AstroPulses remaining. I've only received a handful since yesterday. I'm down to my last 3 at present. You can look around and see I'm not alone. Most of the computers I saw were out or only had a couple, one had 14. All I get is "Project has no tasks available" when asking for APs, even though the server page lists 25,000 ready to send. Perhaps they turned it down a bit to relieve some stress on the backend network. I think Matt hand mentioned there might be some issues going on there in his last news post. SETI@home classic workunits: 93,865 CPU time: 863,447 hours Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[
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TBar Send message Joined: 22 May 99 Posts: 5204 Credit: 840,779,836 RAC: 2,768
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I'm on my last AstroPulse task, and all I get is; 1/3/2013 3:19:13 PM | SETI@home | Sending scheduler request: To fetch work. 1/3/2013 3:19:13 PM | SETI@home | Reporting 1 completed tasks, requesting new tasks for ATI 1/3/2013 3:19:16 PM | SETI@home | Scheduler request completed: got 0 new tasks 1/3/2013 3:19:16 PM | SETI@home | Project has no tasks available 1/3/2013 3:22:57 PM | SETI@home | Computation for task ap_10oc12aa_B1_P0_00386_20130101_03214.wu_1 finished 1/3/2013 3:22:57 PM | SETI@home | Starting task ap_09oc12ad_B4_P0_00164_20121231_10201.wu_0 using astropulse_v6 version 604 (ati_opencl_100) in slot 1 1/3/2013 3:22:59 PM | SETI@home | Started upload of ap_10oc12aa_B1_P0_00386_20130101_03214.wu_1_0 1/3/2013 3:23:02 PM | SETI@home | Finished upload of ap_10oc12aa_B1_P0_00386_20130101_03214.wu_1_0 1/3/2013 3:24:21 PM | SETI@home | Sending scheduler request: To fetch work. 1/3/2013 3:24:21 PM | SETI@home | Reporting 1 completed tasks, requesting new tasks for ATI 1/3/2013 3:24:24 PM | SETI@home | Scheduler request completed: got 0 new tasks 1/3/2013 3:24:24 PM | SETI@home | Project has no tasks available Meanwhile, Results ready to send: 25,240 Is it time to go back to MultiBeams on the AMD? |
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Rolf Send message Joined: 16 Jun 09 Posts: 114 Credit: 7,817,146 RAC: 0
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Is it time to go back to MultiBeams on the AMD? Not necessarily. You will get the same answer: 03.01.2013 21:33:58 | SETI@home | Requesting new tasks for CPU 03.01.2013 21:34:01 | SETI@home | Scheduler request completed: got 0 new tasks 03.01.2013 21:34:01 | SETI@home | Project has no tasks available N.B. times are UTC+1 |
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