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quick server side update
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Author | Message |
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![]() ![]() Send message Joined: 18 May 99 Posts: 6497 Credit: 34,134,168 RAC: 0 ![]() |
Jeff, The problem people were having was from the combined limit. The seperate cpu and gpu limits seem to have functioned admirably, and raising them as you see fit sounds like a great plan. It keeps demands manageable. Janice |
gomeyer Send message Joined: 21 May 99 Posts: 488 Credit: 50,370,425 RAC: 0 ![]() |
Jeff, First, thanks for the hard work and for keeping us updated! All of my cores are now running hot, straight, and normal and so of course I'm content for now. I would like to add my voice to two requests already made here and in other threads: - It has been suggested that it should be possible to set up the scheduler so as to NOT assign VLAR work to GPU's. If so it would go a long way toward keeping the gears greased even with the current somewhat lower limits. Not having to reschedule VLAR's from GPU to CPU on the local client would be a big help keeping the GPU's running during the 3 day outages and should also keep the Application Details on your servers much more accurate. - Would it not be reasonable to raise limits or drop them altogether SOONER than 24 hours before the outage? As I'm sure you noticed last week the bandwidth was totally saturated from Mon to Tues A.M. and many WU's that had been scheduled were never able to come down before the outage began. They did DL quickly after the outage but by that time some machines were out of work. If necessary to help with bandwidth limits (and if it doesn't mean an unreasonable extra workload for your team) you might increase limits in stages starting 48 hours or even more before Tuesday. Thanks again. |
Terror Australis Send message Joined: 14 Feb 04 Posts: 1817 Credit: 262,693,308 RAC: 44 ![]() ![]() |
Thanks Jeff My main bitch all along has not been the outages, lack of work, download limits etc. etc. It has been the lack of information and updates from SAH HQ as to just WTF is going on down in the Berkeley bunker. The information and feedback you have posted over the last 2 weekends goes a long way towards filling that void and has been greatly appreciated. Thanks again. Brodo |
Jeff Cobb ![]() Send message Joined: 1 Mar 99 Posts: 122 Credit: 40,367 RAC: 0 ![]() |
I raised the limits a little bit ago to: 10/CPU 80/GPU 2000/total |
![]() ![]() ![]() ![]() Send message Joined: 20 Jun 99 Posts: 6659 Credit: 121,090,076 RAC: 0 ![]() |
I raised the limits a little bit ago to: Thank you indeed! That explains what I have been seeing. Very much appreciated! :) Steve Warning, addicted to SETI crunching! Crunching as a member of GPU Users Group. GPUUG Website |
Claggy Send message Joined: 5 Jul 99 Posts: 4654 Credit: 47,537,079 RAC: 4 ![]() |
Thanks Jeff, got a few more Cuda Wu's to go with Astropulse Wu's i got over the weekend, Claggy |
kittyman ![]() ![]() ![]() ![]() Send message Joined: 9 Jul 00 Posts: 51507 Credit: 1,018,363,574 RAC: 1,004 ![]() ![]() |
Thank you once again, Jeff. For both the raise in limits and the communication. Meow meow! "Time is simply the mechanism that keeps everything from happening all at once." ![]() |
kittyman ![]() ![]() ![]() ![]() Send message Joined: 9 Jul 00 Posts: 51507 Credit: 1,018,363,574 RAC: 1,004 ![]() ![]() |
Okee dokee.... Cricket graph has calmed down again. Time for the next notch up? "Time is simply the mechanism that keeps everything from happening all at once." ![]() |
![]() ![]() Send message Joined: 15 Mar 01 Posts: 1011 Credit: 230,314,058 RAC: 0 ![]() |
edit: thank you for the bump:D the network/server just recovered, approximately 2 hours after the bump, can you bump it again in another 6 hours? these large bumps make it more fair in my opinion, some can only get a few hundred work units on Monday, while others could get 6,000!!! ![]() ![]() |
![]() ![]() ![]() Send message Joined: 16 Apr 00 Posts: 1296 Credit: 45,357,093 RAC: 0 ![]() |
I raised the limits a little bit ago to: Better. Thanks very, very much. It's been a hassle manually rescheduling little bits at a time. It got to the point that I would download 3 WU, reschedule, then download 3 more; over and over. The good news is I now have as many CUDA WU's as I did when the outage started last Tuesday. That's a definite improvement. VLARs are back, so all 40 of my allowed CPU WU's are VLAR again. Although I'm allowed 320 GPU WU, I was only able to download and reschedule 240 before hitting the CPU threshold. Unfortunately, that's 80 WU's I'll have to fight for on the buffet line tomorrow. :( Thanks again. ![]() Join the PACK! |
![]() ![]() Send message Joined: 5 Dec 00 Posts: 292 Credit: 58,297,005 RAC: 311 ![]() ![]() |
Thanks for the reply Don. I guess that means (by my figures) that I will be running out of work on this machine with 17 hours left to go before the servers are turned back on. Hopefully I will be able to get some additional WU's when the limits are off on Monday. Thanks again! Allen |
Jeff Cobb ![]() Send message Joined: 1 Mar 99 Posts: 122 Credit: 40,367 RAC: 0 ![]() |
Limits are now: 20/CPU 160/GPU 4000/total |
![]() ![]() Send message Joined: 7 Jan 01 Posts: 586 Credit: 21,087,774 RAC: 0 ![]() |
Thanks very much for the information, Jeff! Even if some people don't agree with the way that you and the crew have been handling things, the information that you have been providing has been priceless! You may just end up being Seti's new PR guru! (or at least help Matt out with a few posts here and there... :o) ) Giz. ![]() A proud GPU User Server Donor! |
![]() ![]() Send message Joined: 18 May 99 Posts: 6497 Credit: 34,134,168 RAC: 0 ![]() |
Limits are now: Thank you Jeff.. Seriously though.. the CPU/GPU limits are working great. I think it is totally safe to kill the "total" part. But that should get me mostly out of tomorrows rush except for a small top off. Janice |
Bearcat Send message Joined: 10 Sep 99 Posts: 106 Credit: 10,778,506 RAC: 0 ![]() |
Limits are now: I have to agree with gizbar, just a little info here and there goes a long way. Thank you Jeff, keep up the good work. |
Claggy Send message Joined: 5 Jul 99 Posts: 4654 Credit: 47,537,079 RAC: 4 ![]() |
Jeff, any chance of bringing the Beta project up so we can report our completed work? Claggy |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13884 Credit: 208,696,464 RAC: 304 ![]() ![]() |
I think the cricket shape we are trying for is that of a bath tub. High during the Friday opening and the Monday queue filling but less than max on the weekend. How deep that tub is is where the tuning comes in. A few thoughts (The Server Stats being down for a while means a fair bit more guesswork than usual). The intial limits of CPU 5 GPU 40 Total 140 resulted in about a 4 hour period of full bandwidth being used. changing them to CPU 6 GPU 48 Total 150 resulted in another 4-5 hour burst. The change of the total limit to 1,000 didn't appear to have much of an effect, about an hour or 2 (if that) of heavy traffic. changing them to CPU 10 GPU 80 Total 2000 resulted in a 3 hour period of heavy traffic. changing them to CPU 20 GPU 160 Total 4000 resulted in a 4-5 hour burst of heavy traffic (just dropping off now). Depending when the servers are fired up, and whether the system for adjusting the limits can be automated, it should be possible to be at the present settings (CPU 20, GPU 160, Total 4000) by Friday night. Ideally the limits would be tweaked gradually over the weekend to top up caches in small bursts so come Monday when the limits are removed all caches (even the largest of the large) would be full by the time the next outage is due. And as the change in total limit only from 150 to 1,000 had such a small effect it'd be worth trying things without it in place from the start after the next outage. The only thing i find odd is the AstroPulse behaviour. I can't remember who pointed it out during the last outage, but the short bursts of network traffic that occur after everyone has reached the limits set at that time is due to AP downloads (Scarecrow's graphs show the AP Ready to Send queue slowly building up, then draining rapidly at the same time as the bursts in network traffic). Grant Darwin NT |
Cameron ![]() Send message Joined: 27 Nov 02 Posts: 110 Credit: 5,082,471 RAC: 17 ![]() ![]() |
Thanks Jeff. Your final/current Settings seem perfect. I've been able to top my cache up and last the outage before you actually remove the limits in a few hours time. |
![]() ![]() Send message Joined: 20 Dec 05 Posts: 3187 Credit: 57,163,290 RAC: 0 ![]() |
Jeff, I second the motion! I've got 88 units beggin' to be reported... . ![]() Hello, from Albany, CA!... |
Jeff Cobb ![]() Send message Joined: 1 Mar 99 Posts: 122 Credit: 40,367 RAC: 0 ![]() |
Limits are off. Beta is up (sorry about that!). Thank you all for the limits feedback. That will be helpful come the next server run. |
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