SETI@HOME -- A Victim of it's Own Success?!?


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bill
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Message 1341740 - Posted: 28 Feb 2013, 20:11:06 UTC - in response to Message 1341572.

Another idea for AstroPulse workunits: I assume that the load on the server varies with time of day or night. Are you able to set the server so that it will try to schedule the retries for incomplete downloads of the larger files to be preferably during the less busy times?


The load appears to vary from something greater than 100%
to something a lot greater than 100%. Less busy times are
few and don't occur at regular intervals.

robertmiles
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Message 1341904 - Posted: 1 Mar 2013, 7:49:26 UTC

I've seen some other BOINC projects handle high loads by having only so many server ports that wiil handle downloads, plus several more that will only immediately say to try again later; the active ones get higher priority for connection requests. Would it be practical to try this on SETI@Home?

You might try an intermediate category also, that will handle downloads only of files below a certain size.

On the speed of your connection to the internet: Are you sure all of the hardware along this connection is rated for at least the speed you're trying for? Often, LAN connections have a 1 GB/s speed, but the connection to the rest of the internet is under 10 MB/s.

Locally, one ISP is known for offering fast connections from their local office to users, but an easily overloaded connection from their office to the rest of the internet. You might check for signs your connection has similar problems.

I recently saw a TV program saying that in Chattanooga, TN, US, most of the telephone and internet connections use fiber optics to homes and can handle 1 GB/s. You might want to investigate if there is a source there for equipment for fast connections.

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Message 1342017 - Posted: 1 Mar 2013, 14:41:13 UTC

One thing is clear: a lot of users are uncomfortable with the behaviour of SETI in their computers (I can say: me too).
So if the "star project" of BOINC is making them feel like that, many of them could lose interest and eventually quit. Not only that, many of them could talk about this with future users, something like:
- "hey, did you know about BOINC, community grid computing, the SETI@home project...?"
- "yes, I had the program in my computer some time ago, but SETI didn't work very well because ... so finally I quit"
- "Oh really? it's a pity (so why should I try?)"

I am working in science too and the answer: "we don't have money" don't satisfy me. We never have money! That can't be an excuse!
Is that the real reason?
I can't believe that a project so popular as SETI can't find a way to get money to solve its structural problems.

And if not, maybe SETI should stop accepting users because of the impossibility of handling so huge number of them.
Better 100,000 happy users than 1,000,000 unhappy.

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Message 1342074 - Posted: 1 Mar 2013, 17:03:01 UTC - in response to Message 1342029.

I started my 84 cents a month fundraiser to appeal to folks that think they cannot make a difference by donating a small amount to the project.


Something possibly sig-worthy along this line. :^) That whole site is sig-worthy.

Hope they finally get back to me on what's needed for the next fundraiser... been waiting for months.
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bill
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Message 1342086 - Posted: 1 Mar 2013, 17:23:04 UTC - in response to Message 1342017.

One thing is clear: a lot of users are uncomfortable with the behaviour of SETI in their computers


Your assumption is incorrect. The number of complainers
here is statistically insignificant compared to the number
of users crunching SAH.

That is not to say there isn't a problem, it's just that
the vast majority could care less, hence the dearth of donations.

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Message 1342102 - Posted: 1 Mar 2013, 17:52:11 UTC

So, can some of you follow me?

I put my 30 bucks on the table.
Now what? Did anything change?
Is SETI who has to fix the problem. I can't get the money for them.
Maybe they have to communicate better what they need. I didn't even see in the home the notice: "SETI@home needs your help" to get donations.


bill
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Message 1342104 - Posted: 1 Mar 2013, 17:54:19 UTC - in response to Message 1342093.

One thing is clear: a lot of users are uncomfortable with the behaviour of SETI in their computers


Your assumption is incorrect. The number of complainers
here is statistically insignificant compared to the number
of users crunching SAH.

That is not to say there isn't a problem, it's just that
the vast majority could care less, hence the dearth of donations.

If the majority would give a shit, there would be more donations, and thence and thereforth, continues success of the project.

You just don't get it do you???


I think you need to reread what I said, in context.

If the vast majority just gave something. More than the .27 percent that have given to date.

ANYTHING more. The project would be drowning in servers and bandwidth.



What are you saying to me here, exactly?

"Your assumption is incorrect. The number of complainers
here is statistically insignificant compared to the number
of users crunching SAH."


I wasn't saying anything to you. I was pointing something out to
a previous poster.

Something other than I have already stated??
OR maybe I have confused betwixed a few posts.


Since I happen to be in agreement with you about current funding,
I can only think that you are confused.

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Message 1342124 - Posted: 1 Mar 2013, 18:20:43 UTC

I hear what you say Mark, but it is Friday night again ........

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Message 1342139 - Posted: 1 Mar 2013, 18:46:20 UTC

And I'm waiting for my green star to re-ignite
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Profile Chris SProject donor
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Message 1342142 - Posted: 1 Mar 2013, 18:51:46 UTC
Last modified: 1 Mar 2013, 18:53:33 UTC

Hiyah Rob, glad to see the troops are around :-)

@Mark - not at all. I've supported you around here more times than I have had hot dinners, and will continue to do so. But you know what I mean.

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Message 1342151 - Posted: 1 Mar 2013, 19:03:18 UTC

Salads Rool OK...

And I do think that S@H is a victim of its own success, because if it weren't so successful there wouldn't be the made rush for tasks, and there would be a bit of spare bandwidth to feed the kitties....
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Message 1342153 - Posted: 1 Mar 2013, 19:09:55 UTC
Last modified: 1 Mar 2013, 19:23:59 UTC

Matt has made remarkable progress in tuning the Schedular, I no longer see
any posts from anyone (except Grant:-) that they have problems contacting the schedular.

The Schedular has been responsive during AP's and shorties with the resulting
issue being Download problems. Now that everyone is getting Tasks the bottleneck which used to be the schedular is now Downloads ( I know its always been downloads) but the Schedular masked this to a large extent.

I have been working with TCPOptimize (cdemers put me on to this) to get my downloads (nonexistent unless using a Proxy, Proxy works fine now) to work
with direct connects. With some tweaks to TCP/IP on Windows 7 using TCPOptimize
Windows direct connect is now almost as good as a Proxy, AP is 8KB download
while MB are 7 to 11KB. only one retry with the AP.

Once I am satisfied that the changes do not interfere with anything else
(My first attemp prevented T4T Jabber from working) I will update the users with a Green STAR with the changes:-) Might this help with donations I hope so.

EDIT - I probably let the kitten out of the bag just by saying there is a solution:-) - Also Thanks TBar for your confirmation that Linux/Unix TCP/IP
works much better than Windows TCP/IP out of the box when talking to SETI

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Message 1342203 - Posted: 1 Mar 2013, 21:01:20 UTC

You have a green star, or you have no right to complain.


I choose NOT to have my green star displayed so NOT having a green star means NOTHING!!

And you think that gives any less significance to what I say?


No but the next remark devalues you in my eyes.


And, have contributed more than most of you.
Not just in terms of creds, but in terms of dollars.


You are no one special on this project, many many people have done lots for this project and do not take the liberty's you do.

Try and get people to donate great! Telling them how great you have been will NOT get people on you side.

Certainly turns me off.
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