Cinco de Mayo (May 05 2009)

Message boards : Technical News : Cinco de Mayo (May 05 2009)

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Profile Matt Lebofsky
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Message 891662 - Posted: 5 May 2009, 21:42:36 UTC

There were indeed some weird lingering problems with the mysql database from this weekend. Some tables had bungled indexes. We think we cleaned that up during the usual weekly maintenance outage today. We also needed to regenerate the replica mysql database from scratch, so that'll be behind until later this evening (or tomorrow). The result pages may be out of whack until then. In fact, I just turned them off for now as they were eating too many resources.

By the way, we're still unable to collect data at Arecibo due to problems with the data recorder being unable to see the drives. Turns out the card we bought, which was an exact replacement of the previous card, is having driver issues. Why? Well, unbeknownst to us we weren't actually using the previous card - we were using a totally different card (i.e. one we didn't buy) this whole time. It's a mystery why the original card was swapped out and replaced with this third one, but we're kinda back at square one again. Sigh. Due to time zone/scheduling conflicts each iteration on this front takes about 24 hours (the staff at Arecibo is providing support for free, after all).

- 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

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Profile Dirk Sadowski
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Message 891666 - Posted: 5 May 2009, 22:03:12 UTC
Last modified: 5 May 2009, 22:03:52 UTC


Just curious..

The pending credit URL is no longer available in my profile.

This will recover [come back] automatically?


BTW.
Thanks for the daily update here. :-)


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Message 891670 - Posted: 5 May 2009, 22:05:58 UTC - in response to Message 891662.  

Chin up Matt - a lesser Team would have run gibbering by now after the last week of issues you and the Team have had to face - lots of people out there who well appreciate the efforts you all go to in keeping the show on the road, and the problems in doing so.

Keep Smiling :)

Regards
Zy


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Message 891671 - Posted: 5 May 2009, 22:06:52 UTC

That points to the replica database which is temporarily offline.

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Message 891672 - Posted: 5 May 2009, 22:08:45 UTC

06/05/2009 00:00:06 SETI@home Message from server: (Project has no jobs available)

Did someone forget flipping a switch after the maintenance?

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Profile Dr. C.E.T.I.
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Message 891679 - Posted: 5 May 2009, 22:28:50 UTC


. . . Thanks for the Updates Matt

> Happy Cinco de Mayo to Each of You @ Berkeley and to the Participants as well . . .


BOINC Wiki . . .

Science Status Page . . .

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Message 891683 - Posted: 5 May 2009, 22:35:25 UTC

Matt

Thanks for the update

You are right no pending in boinc what so ever right now ---- but heck ----- i still crunch away !!!!

Cannot wait until the live feed for your 10th aniversary


Take Care

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Message 891810 - Posted: 6 May 2009, 3:36:03 UTC - in response to Message 891672.  
Last modified: 6 May 2009, 3:49:06 UTC


Did someone forget flipping a switch after the maintenance?

Thanks for the update Matt. I'm pleased that you now know what the trouble is with the data recorder & to hear that Arecibo staff are providing free support. Matt is there a chance we could run out of work due to the recorder been out of action?
Everything looks to be normal data going in at 95.31mb & out at 11.95mb

It amazes that that bits coming in are over 3 times as fast as the bits going out, I would have thought it would be the other way around.

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Dena Wiltsie
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Message 891812 - Posted: 6 May 2009, 3:51:38 UTC - in response to Message 891810.  


It amazes that that bits coming in are over 3 times as fast as the bits going out, I would have thought it would be the other way around.

It is. It depends on your point of view and the trace is taking place from the other side.

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Message 891825 - Posted: 6 May 2009, 5:04:27 UTC - in response to Message 891812.  


It is. It depends on your point of view and the trace is taking place from the other side.

I look at it like this. Bits in are the units being returned (the part using the most bandwidth) & bits out being the new work going to be crunched (the part that uses the least amount of bandwidth) Is this the way it works?
I see data in is almost maxed out as a result I have 3 results waiting to upload, make the 2 waiting to upload one just got through. Things will return to normal as soon as the demand has eased from the weekly outage.

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Message 891828 - Posted: 6 May 2009, 5:05:57 UTC - in response to Message 891825.  

Actually the Bits in is what is coming out to us, Bits out is what we are uploading.



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Message 891835 - Posted: 6 May 2009, 5:20:05 UTC - in response to Message 891828.  

Actually the Bits in is what is coming out to us, Bits out is what we are uploading.

That's right, my way of thinking is it should be around the other way. Maybe it's just the way I think or do others agree with me?

For those who are interested the replica database is running about 7 hours behind the master database.

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Message 891842 - Posted: 6 May 2009, 5:59:56 UTC - in response to Message 891835.  

Actually the Bits in is what is coming out to us, Bits out is what we are uploading.

That's right, my way of thinking is it should be around the other way. Maybe it's just the way I think or do others agree with me?

"In" and "Out" are relative to the router interface being graphed, which may not exactly "point" the direction you expect.

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Message 891850 - Posted: 6 May 2009, 6:50:58 UTC - in response to Message 891842.  


"In" and "Out" are relative to the router interface being graphed, which may not exactly "point" the direction you expect.

Thank you Ned. I was unaware that the graph was related to the router, the way it has been labeled makes total scene.
All work waiting to be uploaded has got through.

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Message 892000 - Posted: 6 May 2009, 16:48:59 UTC - in response to Message 891850.  


"In" and "Out" are relative to the router interface being graphed, which may not exactly "point" the direction you expect.

Thank you Ned. I was unaware that the graph was related to the router, the way it has been labeled makes total scene.
All work waiting to be uploaded has got through.

I'm pretty sure the router we're looking at belongs to Communications and Network Services (i.e. Campus) and not SETI. It's whatever makes the network operators happy, and we just happen to be peeking at their tools.

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Profile Gary CharpentierCrowdfunding Project Donor
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Message 892056 - Posted: 6 May 2009, 19:17:08 UTC - in response to Message 891842.  

Actually the Bits in is what is coming out to us, Bits out is what we are uploading.

That's right, my way of thinking is it should be around the other way. Maybe it's just the way I think or do others agree with me?

"In" and "Out" are relative to the router interface being graphed, which may not exactly "point" the direction you expect.

IIRC there are actually links to look at the router from either the campus side or the internet side. And in either bits or packets.


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Message 892190 - Posted: 7 May 2009, 4:25:25 UTC - in response to Message 891850.  


"In" and "Out" are relative to the router interface being graphed, which may not exactly "point" the direction you expect.

Thank you Ned. I was unaware that the graph was related to the router, the way it has been labeled makes total scene.
All work waiting to be uploaded has got through.

Whenever I'm thinking about this kind of stuff (including routing) I picture myself sitting inside the router (or host) and peeking out through the ethernet jack.

With that point of view, lots of things get much simpler.

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Message 892537 - Posted: 8 May 2009, 1:10:05 UTC - in response to Message 892190.  


"In" and "Out" are relative to the router interface being graphed, which may not exactly "point" the direction you expect.

Thank you Ned. I was unaware that the graph was related to the router, the way it has been labeled makes total scene.
All work waiting to be uploaded has got through.

Whenever I'm thinking about this kind of stuff (including routing) I picture myself sitting inside the router (or host) and peeking out through the ethernet jack.

With that point of view, lots of things get much simpler.


OK, but how do you imagine yourself so small that you actually fit? And what does the inside of a router look like? I think it has lots of gnomes working at tiny consoles routing all of our IP datagrams manually as each gnome shuffles about from port to port. Am I close?

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Message 892615 - Posted: 8 May 2009, 6:35:49 UTC - in response to Message 892537.  


"In" and "Out" are relative to the router interface being graphed, which may not exactly "point" the direction you expect.

Thank you Ned. I was unaware that the graph was related to the router, the way it has been labeled makes total scene.
All work waiting to be uploaded has got through.

Whenever I'm thinking about this kind of stuff (including routing) I picture myself sitting inside the router (or host) and peeking out through the ethernet jack.

With that point of view, lots of things get much simpler.


OK, but how do you imagine yourself so small that you actually fit? And what does the inside of a router look like? I think it has lots of gnomes working at tiny consoles routing all of our IP datagrams manually as each gnome shuffles about from port to port. Am I close?

Well, to start with, it's really dark inside, unless someone takes the cover off.

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Message 892618 - Posted: 8 May 2009, 7:01:49 UTC - in response to Message 892615.  
Last modified: 8 May 2009, 7:02:39 UTC


With that point of view, lots of things get much simpler.


OK, but how do you imagine yourself so small that you actually fit? And what does the inside of a router look like? I think it has lots of gnomes working at tiny consoles routing all of our IP datagrams manually as each gnome shuffles about from port to port. Am I close?

Well, to start with, it's really dark inside, unless someone takes the cover off.

"You are in a maze of passages; all look the same. (N/S/E/W)?"

F.

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Message boards : Technical News : Cinco de Mayo (May 05 2009)


 
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