Working as Expected (Jul 13 2009)


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Message boards : Technical News : Working as Expected (Jul 13 2009)

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nicky neutrino
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Message 917793 - Posted: 15 Jul 2009, 4:30:57 UTC - in response to Message 917695.

i also have a coupkw dozen to be uploaded (i can once in a great while, download some work , but not upload - all of this within the last 72 hours or so). i'm not too proficient in the techn ical aspects of this, but nonetheless, have enough interest and dedication (i'm in the top 4.5%, at roughly 222k completed work) to keep things going here.. i have three Macs, operating on varying versions of Darwin, btw...

Peace,
Rich
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Profile # Bob Ahlers #
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Message 917818 - Posted: 15 Jul 2009, 6:04:27 UTC - in response to Message 917795.

Maybe it is a idea to post a new thread where Seti keeps the 150K+ crunchers updated about the status of the upgrade.

Allot of crunchers run Set@Home because they want to help Seti in the search, but also allot of crunchers run Seti@Home because they want to gain position in the list and more or less only do it to gain credits.

By keeping the system offline for a long time, the interest fades.
So i think if you keep everybody updated with stats on when they can expect new WU's, the loss of active crunchers will be reduced.

Just an idea, good luck with the upgrade.

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Message 917839 - Posted: 15 Jul 2009, 7:22:25 UTC - in response to Message 917472.

I have 4 PCs running SETI@Home, and, I have had quite a bit of work to upload recently. Not fun.

However, it has led me to do some thinking as to how there might be a way to help 'ease the pain'.

A thought I had that I am sure someone probably already thought of long ago, but, just in case..

Can ya 'piggyback' workunits? ie send two (or more) as one? I'm thinking it may not save bandwidth as far as file size is concerned, but may reduce TCP bandwidth and per connection bandwidth. (ie one file at size 2x instead of two files at size 1x)


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nicky neutrino
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Message 917841 - Posted: 15 Jul 2009, 7:27:43 UTC - in response to Message 917818.

i understand what you say; as for myself, i've been an on and off member for more than seven years, varying in RAC and have no shame in having much pride and interest in my RAC as well as the underlying principles and mission of SETI. I've paid my dues in both SETI Classic and the newer versions, which allow me to make considerable gain in my crunching!!
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Message 917858 - Posted: 15 Jul 2009, 8:07:05 UTC - in response to Message 917472.
Last modified: 15 Jul 2009, 8:11:37 UTC

Yes Thank you for keep us up to day, 1 thing my uploads ar backing up info says internet ok but you guys might be down any ideas ? better to say any Idea on when it going to be turned back on.

Profile Byron S Goodgame
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Message 917859 - Posted: 15 Jul 2009, 8:12:41 UTC - in response to Message 917858.
Last modified: 15 Jul 2009, 8:14:17 UTC

hi, the upload server is down, and the project is working on it. There's more info in Panic Mode On (20) Server problems in the Number crunching area of the Message boards.

Also welcome to the Message boards.
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Message 917951 - Posted: 15 Jul 2009, 11:39:06 UTC - in response to Message 917637.

Poor You!

I have 165 Work Units that are waiting to be uploaded and have almost run out of units to crunch.

I am beginning to wonder if Boinc is "really" looking for "Aliens"? All this talk about slowing things down is starting to irritate me.

How about getting the Boinc end of the data receiving right???!

Not a week goes by when there is no breakdown in one or another of the equipment on the Boinc end and I have Work Units stacking up waiting to be up-loaded.

My question is: Do you want us to crunch the data, OR, don't you want us to crunch the data?

Joe

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Message 917968 - Posted: 15 Jul 2009, 12:16:34 UTC - in response to Message 917951.

I am beginning to wonder if Boinc is "really" looking for "Aliens"?

BOINC is definitely not looking for aliens.

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Message 917976 - Posted: 15 Jul 2009, 12:34:37 UTC - in response to Message 917951.

Poor You!

I have 165 Work Units that are waiting to be uploaded and have almost run out of units to crunch.

I am beginning to wonder if Boinc is "really" looking for "Aliens"? All this talk about slowing things down is starting to irritate me.

How about getting the Boinc end of the data receiving right???!

Not a week goes by when there is no breakdown in one or another of the equipment on the Boinc end and I have Work Units stacking up waiting to be up-loaded.

My question is: Do you want us to crunch the data, OR, don't you want us to crunch the data?

Joe



Yes, they want you to crunch the data WHEN it is available, there has never been a promise to keep all machines supplied 24/7, especially with CUDA in the picture.
There are plenty of other projects that can use your CPU cycles, or you can just turn off your PC, the world won't end.
I know it is a pain, I hate the outages, but realistically, what project do you know of this size that has had such high uptime on such limited resources?
Crunch something else for a while...
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Message 917981 - Posted: 15 Jul 2009, 12:50:28 UTC

why hasn't scarecrow's graph of results received dropped to zero? are there still wu's getting uploaded, just not many? If so how, if the server is off?

Richard Haselgrove
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Message 918006 - Posted: 15 Jul 2009, 13:27:56 UTC - in response to Message 917981.

why hasn't scarecrow's graph of results received dropped to zero? are there still wu's getting uploaded, just not many? If so how, if the server is off?

I wondered that myself.

Short, silly answer: it proves the server status page is still working, because that's where Scarecrow gets his data from.

Longer answer: I imagine results 'received' is nothing to do with uploads. It'll be tasks marked 'over, done, dealt with' in the database - whether reported successful, errored, invalid, or - crucially in the the current situation - deadline expired.

Perhaps the best interpretation is "number of tasks that were within 36 hours of deadline when this problem started". If you run a cache that tight, you run the risk of being caught out.

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Message 918009 - Posted: 15 Jul 2009, 13:37:14 UTC - in response to Message 917981.

-Hi just a silly question.. Why isnt my uploads going anywhere? It keeps saying the server is busy, been like that all day.

Profile [seti.international] Dirk Sadowski
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Message 918015 - Posted: 15 Jul 2009, 13:42:37 UTC


You are all not alone.. ;-)

The upload server is offline.
I don't know why and how long it will last.
http://setiathome.berkeley.edu/sah_status.html

I guess Matt will post soon here in the..
TechNews:
http://setiathome.berkeley.edu/forum_forum.php?id=21

Also you can look here..
NumberCrunching:
http://setiathome.berkeley.edu/forum_forum.php?id=10

NumberCrunching, 'Panic thread':
http://setiathome.berkeley.edu/forum_thread.php?id=54633
..my last post in this thread.. :-) Message 917974


I hope today they will switch on again the UL server.. :-)

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Richard Haselgrove
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Message 918019 - Posted: 15 Jul 2009, 13:47:43 UTC - in response to Message 918015.

I hope today they will switch on again the UL server.. :-)

Or, if that's not possible, at least post a few words of explanation in the News area of the front page, for the RSS feed to pick up on.

nero
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Message 918022 - Posted: 15 Jul 2009, 13:52:03 UTC - in response to Message 918015.

Thank you for those Url's at least I know it isnt my computer. lets hope they fix it soon.

Josef W. Segur
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Message 918035 - Posted: 15 Jul 2009, 14:36:29 UTC - in response to Message 917981.

why hasn't scarecrow's graph of results received dropped to zero? are there still wu's getting uploaded, just not many? If so how, if the server is off?

"Results received in last hour" is actually results reported. Errors of the sort which don't produce an output file are still being reported.
Joe

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Message 918036 - Posted: 15 Jul 2009, 14:41:04 UTC - in response to Message 918006.


Perhaps the best interpretation is "number of tasks that were within 36 hours of deadline when this problem started". If you run a cache that tight, you run the risk of being caught out.


These tasks will be marked as resends. If you are still able to download work then when then upload server comes back online it is possible that the original
task is uploaded before you can crunch the resend.

It may be wise to check if work in your cache, a couple of hours after upload restart, really needs to be crunched or can be aborted as a unnecessary third or higher result.
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Message 918049 - Posted: 15 Jul 2009, 15:33:12 UTC

Matt, do whatever you're doing, but:

1) drop a line just to keep people in the loop
2) disable deadline checking or people might not get credit for all the hard work their computers already did

Cheers

Profi

p.s.
Certainly situation is opposite to thread title "Working as expected" - especially when looking from a cruncher's point of view..
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Message 918054 - Posted: 15 Jul 2009, 15:39:49 UTC - in response to Message 918049.

Matt, do whatever you're doing, but:

1) drop a line just to keep people in the loop
2) disable deadline checking or people might not get credit for all the hard work their computers already did

Cheers

Profi

p.s.
Certainly situation is opposite to thread title "Working as expected" - especially when looking from a cruncher's point of view..


That depends on how you expect it to work (or not work) :-)

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Message 918070 - Posted: 15 Jul 2009, 16:11:22 UTC - in response to Message 918054.

Matt, do whatever you're doing, but:

1) drop a line just to keep people in the loop
2) disable deadline checking or people might not get credit for all the hard work their computers already did

Cheers

Profi

p.s.
Certainly situation is opposite to thread title "Working as expected" - especially when looking from a cruncher's point of view..


That depends on how you expect it to work (or not work) :-)


And how you expect S@H should work? - Mine answer is as simple as that: Until now for 80% (or more) time S@H was doing it's job, by means of sending WU's, receiving results, doing science mangling on the results, updating stats etc. Scheduled downtimes (let's say 10% of the time) - ok, we know that's a must or we're all have been notified. Now 1% (and lately about 9% of the time ("9" is for people liking arithmetics)) is a time of failures due to hardware/software/human error. In other words: usually S@H worked - now it's not (project is not performing in the way it supposed or was designed to work).

I'm just being worried that as time goes by, situation is getting worse despite of improvements in the system/computers design and computing efficiency.

Hope this will shed some light on the situation.

p.s. I may be wrong. I'm just concerned about the frequency of the downtimes and lack of info. I'm wishing all the best for Matt and other guys @ Berkeley trying to get the best of the limited hardware resources.
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