Small Word (Sep 20 2007)

Message boards : Technical News : Small Word (Sep 20 2007)
Message board moderation

To post messages, you must log in.

1 · 2 · 3 · 4 . . . 8 · Next

AuthorMessage
Profile Matt Lebofsky
Volunteer moderator
Project administrator
Project developer
Project scientist
Avatar

Send message
Joined: 1 Mar 99
Posts: 1444
Credit: 957,058
RAC: 0
United States
Message 645063 - Posted: 20 Sep 2007, 20:24:09 UTC
Last modified: 20 Sep 2007, 20:24:19 UTC

Finally got around to adding some new code to the server status page to show multibeam splitter progress. Pretty simple right now, but it shows how many beam polarization pairs have been split (or are in process of being split) on any given file. There are 7 beams, 2 polarizations per beam, so 14 total pairs. We're keeping a lot of multibeam data on line at any given time, so the list is rather long... I'll get around to condensing that information somehow someday.

Why 50GB files? Why not fill the whole drive (usually at least 500GB) with one file? Well.. it's a bit easier to deal with smaller files in general, but the main reason is for better transfer down to HPSS for archiving - the file transfer utilities provided by HPSS seem to barf at file sizes greater than 50GB. So there ya go. Plus our data acquisition rate in classic used to be about 50GB a day, so we're used to handling that number when referring to data rates.

- Matt

-- BOINC/SETI@home network/web/science/development person
-- "Any idiot can have a good idea. What is hard is to do it." - Jeanne-Claude
ID: 645063 · Report as offensive
DJStarfox

Send message
Joined: 23 May 01
Posts: 1066
Credit: 1,226,053
RAC: 2
United States
Message 645289 - Posted: 21 Sep 2007, 0:11:03 UTC - in response to Message 645063.  

The splitter status list looks neat. Thanks for updating that code. Now we can see splitter progress as well. The list isn't too long; actually it's about the same length as the server list.
ID: 645289 · Report as offensive
Profile Dr. C.E.T.I.
Avatar

Send message
Joined: 29 Feb 00
Posts: 16019
Credit: 794,685
RAC: 0
United States
Message 645290 - Posted: 21 Sep 2007, 0:11:03 UTC


Good News Sir! Thanks for the Post Matt . . .

ID: 645290 · Report as offensive
Tommy

Send message
Joined: 26 Jul 00
Posts: 9
Credit: 530,369
RAC: 0
United States
Message 645323 - Posted: 21 Sep 2007, 0:45:04 UTC

MATT, ARE WE HAVING PROBLEMS IN GRANTING CREDIT? I HAVE NEVER HAD SO MANY PENDING WORK UNITS, OVER 600+ HOURS. MY PERCEPTION IS THAT IT STARTED BUILDING UP AFTER THE LAST BACKUP OUTAGE, COULD BE WRONG ON THAT.


ID: 645323 · Report as offensive
n7rfa
Volunteer tester
Avatar

Send message
Joined: 13 Apr 04
Posts: 370
Credit: 9,058,599
RAC: 0
United States
Message 645328 - Posted: 21 Sep 2007, 0:50:12 UTC - in response to Message 645323.  

MATT, ARE WE HAVING PROBLEMS IN GRANTING CREDIT? I HAVE NEVER HAD SO MANY PENDING WORK UNITS, OVER 600+ HOURS. MY PERCEPTION IS THAT IT STARTED BUILDING UP AFTER THE LAST BACKUP OUTAGE, COULD BE WRONG ON THAT.


There's nothing Matt can do.

The other systems need to return their results before you can be granted credit.


ID: 645328 · Report as offensive
Profile Uli
Volunteer tester
Avatar

Send message
Joined: 6 Feb 00
Posts: 10923
Credit: 5,996,015
RAC: 1
Germany
Message 645447 - Posted: 21 Sep 2007, 4:14:01 UTC

Thank you to all, who have helped via all these theads for me to become a better wingwomen. I check the progress of my wingpeople twice a day to run units that are waiting for completion/validation/credits. Evenso most of you recommend to let BOINC do it's thing, it worked for me. And hopefully for my wingperson, not getting any work during my suspends will be appreciated.
Pluto will always be a planet to me.

Seti Ambassador
Not to late to order an Anni Shirt
ID: 645447 · Report as offensive
kittyman Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Volunteer tester
Avatar

Send message
Joined: 9 Jul 00
Posts: 51477
Credit: 1,018,363,574
RAC: 1,004
United States
Message 645525 - Posted: 21 Sep 2007, 5:57:41 UTC

Thank You Matt for the updated status page! Love the splitting status bar graphs.
"Time is simply the mechanism that keeps everything from happening all at once."

ID: 645525 · Report as offensive
Profile Gavin Shaw
Avatar

Send message
Joined: 8 Aug 00
Posts: 1116
Credit: 1,304,337
RAC: 0
Australia
Message 645626 - Posted: 21 Sep 2007, 9:51:21 UTC

I like it...

Clean, simple (to me), straightforward and informative.

What more could we need? (Don't actually answer that please)...

Never surrender and never give up. In the darkest hour there is always hope.

ID: 645626 · Report as offensive
1mp0£173
Volunteer tester

Send message
Joined: 3 Apr 99
Posts: 8423
Credit: 356,897
RAC: 0
United States
Message 645832 - Posted: 21 Sep 2007, 17:21:00 UTC - in response to Message 645323.  

MATT, ARE WE HAVING PROBLEMS IN GRANTING CREDIT? I HAVE NEVER HAD SO MANY PENDING WORK UNITS, OVER 600+ HOURS. MY PERCEPTION IS THAT IT STARTED BUILDING UP AFTER THE LAST BACKUP OUTAGE, COULD BE WRONG ON THAT.


Remember that work used to go out to three systems, and credit was granted when two returned their results. You'd get credit when the faster of the other two returned their work.

Now, work is sent to two, and credit is granted when two return that work.

If you are paired with a fast system, you'll get your credit quickly. If you are paired with someone who carries a large queue, it will take a while.

It is the same for everyone.
ID: 645832 · Report as offensive
Richard Haselgrove Project Donor
Volunteer tester

Send message
Joined: 4 Jul 99
Posts: 14679
Credit: 200,643,578
RAC: 874
United Kingdom
Message 645845 - Posted: 21 Sep 2007, 17:31:15 UTC - in response to Message 645832.  

MATT, ARE WE HAVING PROBLEMS IN GRANTING CREDIT? I HAVE NEVER HAD SO MANY PENDING WORK UNITS, OVER 600+ HOURS. MY PERCEPTION IS THAT IT STARTED BUILDING UP AFTER THE LAST BACKUP OUTAGE, COULD BE WRONG ON THAT.


Remember that work used to go out to three systems, and credit was granted when two returned their results. You'd get credit when the faster of the other two returned their work.

Now, work is sent to two, and credit is granted when two return that work.

If you are paired with a fast system, you'll get your credit quickly. If you are paired with someone who carries a large queue, it will take a while.

It is the same for everyone.

And if you get a WU like this one, none of the above apply.

Sometimes there's a difference between theory and practice.
ID: 645845 · Report as offensive
Profile Clyde C. Phillips, III

Send message
Joined: 2 Aug 00
Posts: 1851
Credit: 5,955,047
RAC: 0
United States
Message 645869 - Posted: 21 Sep 2007, 17:48:02 UTC

My pendings are at record high, 5550 (about three daysworth at current RAC). I have my cache set at one day. Maybe I should increase that to two days. But then, if Seti data supply ceases, I'll just get that much more Einstein to crunch which will, sooner or later, reduce the RAC.
ID: 645869 · Report as offensive
Profile Andy Lee Robinson
Avatar

Send message
Joined: 8 Dec 05
Posts: 630
Credit: 59,973,836
RAC: 0
Hungary
Message 645903 - Posted: 21 Sep 2007, 18:21:41 UTC - in response to Message 645845.  

And if you get a WU like this one, none of the above apply.
Sometimes there's a difference between theory and practice.


Thanks for this Richard - I hope Matt can investigate and find any others like it.

Matt, could you justify why deadlines are so unreasonably long, at *8* weeks?

Andy.
ID: 645903 · Report as offensive
Richard Haselgrove Project Donor
Volunteer tester

Send message
Joined: 4 Jul 99
Posts: 14679
Credit: 200,643,578
RAC: 874
United Kingdom
Message 645910 - Posted: 21 Sep 2007, 18:29:38 UTC - in response to Message 645903.  

And if you get a WU like this one, none of the above apply.
Sometimes there's a difference between theory and practice.


Thanks for this Richard - I hope Matt can investigate and find any others like it.

Don't hold your breath - the idea of a "News" bulletin is one-way: they talk, we listen.

I think your original plan - the one involving a housebrick - is more likely to get results.
ID: 645910 · Report as offensive
kittyman Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Volunteer tester
Avatar

Send message
Joined: 9 Jul 00
Posts: 51477
Credit: 1,018,363,574
RAC: 1,004
United States
Message 645914 - Posted: 21 Sep 2007, 18:34:34 UTC - in response to Message 645903.  

And if you get a WU like this one, none of the above apply.
Sometimes there's a difference between theory and practice.


Thanks for this Richard - I hope Matt can investigate and find any others like it.

Matt, could you justify why deadlines are so unreasonably long, at *8* weeks?

Andy.

It has already be acknowleged that the 'to completion' estimates are on the long side since MB came online. Matt does not need to 'justify' anything. An adjustment is in order, and I suspect that it will be done when enough data is in place to do so.

"Time is simply the mechanism that keeps everything from happening all at once."

ID: 645914 · Report as offensive
Profile Andy Lee Robinson
Avatar

Send message
Joined: 8 Dec 05
Posts: 630
Credit: 59,973,836
RAC: 0
Hungary
Message 645962 - Posted: 21 Sep 2007, 19:28:31 UTC - in response to Message 645910.  

I think your original plan - the one involving a housebrick - is more likely to get results.


:-)

In fact I had a 'pet' housebrick that I reserved for such occasions... but it was just such a beautiful and unusual specimen, I couldn't bring myself to damage it!

Exwife probably threw it away with everything else I treasured...
ID: 645962 · Report as offensive
Profile Andy Lee Robinson
Avatar

Send message
Joined: 8 Dec 05
Posts: 630
Credit: 59,973,836
RAC: 0
Hungary
Message 645989 - Posted: 21 Sep 2007, 20:17:34 UTC - in response to Message 645914.  

An adjustment is in order, and I suspect that it will be done when enough data is in place to do so.


Mark, I'm sure there's enough data now! As you know, it's so annoying when someone just buggers off and leaves the rest of us high and dry for another couple of months.

The BOINC system needs a heartbeat detector so that if someone doesn't make *any* contact at all for a week, then all uncrunched WUs are returned to the pool.
If they are actively crunching through their cache, then deadlines could be extended for any WUs in progress but at risk of not completing.
The worst that can happen is that if they do come back, then they have to download some new WUs. An itsy bitsy inconvenience compared to our enduring frustration!

Some people have obviously gone AWOL, and an admin override to return WUs to the pool would be nice.

Make it clearer in the docs, that it is very unpolite to leave a project in limbo.

Oh, and while I'm at it, implementing redirect after post when submitting a message here is the correct way to write a bulletin board, to avoid double posts and paying twice etc.

Andy.
ID: 645989 · Report as offensive
Profile Philadelphia
Volunteer tester
Avatar

Send message
Joined: 12 Feb 07
Posts: 1590
Credit: 399,688
RAC: 0
United States
Message 646064 - Posted: 21 Sep 2007, 21:58:51 UTC - in response to Message 645989.  
Last modified: 21 Sep 2007, 21:59:26 UTC

An adjustment is in order, and I suspect that it will be done when enough data is in place to do so.


Mark, I'm sure there's enough data now! As you know, it's so annoying when someone just buggers off and leaves the rest of us high and dry for another couple of months.

The BOINC system needs a heartbeat detector so that if someone doesn't make *any* contact at all for a week, then all uncrunched WUs are returned to the pool.
If they are actively crunching through their cache, then deadlines could be extended for any WUs in progress but at risk of not completing.
The worst that can happen is that if they do come back, then they have to download some new WUs. An itsy bitsy inconvenience compared to our enduring frustration!

Some people have obviously gone AWOL, and an admin override to return WUs to the pool would be nice.

Make it clearer in the docs, that it is very unpolite to leave a project in limbo.

Oh, and while I'm at it, implementing redirect after post when submitting a message here is the correct way to write a bulletin board, to avoid double posts and paying twice etc.

Andy.


If you're looking for a canidate to flush, how about this guy He's holding 52 hostages, I'm one of them.
ID: 646064 · Report as offensive
Dr Who Fan
Volunteer tester
Avatar

Send message
Joined: 8 Jan 01
Posts: 3334
Credit: 715,342
RAC: 4
United States
Message 646132 - Posted: 21 Sep 2007, 22:56:45 UTC - in response to Message 646064.  

An adjustment is in order, and I suspect that it will be done when enough data is in place to do so.


Mark, I'm sure there's enough data now! As you know, it's so annoying when someone just buggers off and leaves the rest of us high and dry for another couple of months.

The BOINC system needs a heartbeat detector so that if someone doesn't make *any* contact at all for a week, then all uncrunched WUs are returned to the pool.
If they are actively crunching through their cache, then deadlines could be extended for any WUs in progress but at risk of not completing.
The worst that can happen is that if they do come back, then they have to download some new WUs. An itsy bitsy inconvenience compared to our enduring frustration!

Some people have obviously gone AWOL, and an admin override to return WUs to the pool would be nice.

Make it clearer in the docs, that it is very unpolite to leave a project in limbo.

Oh, and while I'm at it, implementing redirect after post when submitting a message here is the correct way to write a bulletin board, to avoid double posts and paying twice etc.

Andy.


If you're looking for a canidate to flush, how about this guy He's holding 52 hostages, I'm one of them.



Add me to the list also... I can't even find this person in the user list!
ID: 646132 · Report as offensive
Sirius B Project Donor
Volunteer tester
Avatar

Send message
Joined: 26 Dec 00
Posts: 24909
Credit: 3,081,182
RAC: 7
Ireland
Message 646162 - Posted: 21 Sep 2007, 23:31:56 UTC - in response to Message 646132.  

If you're looking for a canidate to flush, how about this guy He's holding 52 hostages, I'm one of them.



That guy has a dual core 6600 which would probably knock spots off my little farm.

Except for a small hiccup when installing "chicken apps" on my systems, they just keep crunching away.

I needed to detach 1 from the project due to selling it, but before doing so, read the threads & asked questions.

Some of these guys can't really be in it for the science.

Tslking of rac, the servers are down again. Is this going to become a regular weekend thing?
ID: 646162 · Report as offensive
lee clissett

Send message
Joined: 12 Jun 00
Posts: 46
Credit: 2,647,496
RAC: 0
United Kingdom
Message 646184 - Posted: 21 Sep 2007, 23:54:29 UTC

the servers are not down they sre just having to deal with a large volume of traffic due to small work units and 10 day caches
ID: 646184 · Report as offensive
1 · 2 · 3 · 4 . . . 8 · Next

Message boards : Technical News : Small Word (Sep 20 2007)


 
©2024 University of California
 
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.