Panic Mode On (86) Server Problems?

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ihenderson

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Message 1462191 - Posted: 9 Jan 2014, 18:43:05 UTC - in response to Message 1462116.  

C=Celcius
Way back in the last century we called it centigrade.
Anyway we all know that water freezes at 32 and boils at 212 degrees. Of course that is all academic when one is deep in a "polar vortex".

Well Ernestine is now crashing my machine except for the GPU fans; they all spin at maximum until I cut power. So it is back to ET and my computer room is once again warm and toasty.

But Lord Kelvin had to sort those Deg C guys out !!!
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Josef W. Segur
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Message 1462265 - Posted: 9 Jan 2014, 20:13:57 UTC - in response to Message 1462055.  

...
Prior to the introduction of the PFB splitters, the old splitters were able to pump out 40 WU/s no problems at all. Now they struggle to put out much more than 25/s. Often they struggle to even produce 20/s. There are the odd bursts of 90/s+, but that's all they are- odd bursts.

What is shown is result record creation. The splitters produce workunit files and records, it is the Transitioners which add the result records. Those odd bursts of high creation rate occur when the Transitioners got behind for some reason and are catching up.
                                                                   Joe

So you're saying the problem isn't the splitters, but the transitioners, even though this issue has come about since the introduction of the PFB splitters?

No, usually the Transitioners keep up with the Splitters very well so the creation time for results is typically just a few seconds after the workunit creation time. I was just noting that the bursts of very high creation rate were not an indication that the PFB splitters can sometimes run very fast.
                                                                  Joe
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Ulrich Metzner
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Message 1462368 - Posted: 9 Jan 2014, 23:44:21 UTC - in response to Message 1462116.  

Way back in the last century we called it centigrade.
Anyway we all know that water freezes at 32 and boils at 212 degrees. Of course that is all academic when one is deep in a "polar vortex".

Well, that's so contra intuitive...
Water freezes at 0°C and boils at 100°C, simple as that! :þ
Whats so strange about that!? :?
Never get, what it's all about that strange Fahrenheit stuff...

;)
Aloha, Uli

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Message 1462378 - Posted: 10 Jan 2014, 0:02:18 UTC - in response to Message 1462368.  

Way back in the last century we called it centigrade.
Anyway we all know that water freezes at 32 and boils at 212 degrees. Of course that is all academic when one is deep in a "polar vortex".

Well, that's so contra intuitive...
Water freezes at 0°C and boils at 100°C, simple as that! :þ
Whats so strange about that!? :?
Never get, what it's all about that strange Fahrenheit stuff...

;)

Well, as I recall, Fahrenheit tried to use a phenomenological scale, but I guess physical chemistry wasn't well advanced in those days -- he set 0 F as the lowest temperature a salt(NaCl)/water mixture could exist without freezing, and 100 F as normal human body-temperature. Nowadays we know that phase transitions are much more reproducible, so we use the triple-point of water and the boiling point at 760 mmHg as 0.01 and 100, respectively, on the Celsius scale. (According to Wiki, it's just a bit more complicated than that...)
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David S
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Message 1462592 - Posted: 10 Jan 2014, 15:31:56 UTC

My Spidey-Sense says the Crickets are going to drop soon to the lower plateau level.
David
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Message 1462599 - Posted: 10 Jan 2014, 16:37:45 UTC - in response to Message 1462592.  
Last modified: 10 Jan 2014, 16:38:41 UTC

My Spidey-Sense says the Crickets are going to drop soon to the lower plateau level.

I hope not. If you are referring to the sudden drop in traffic, AP is not splitting and the ready to send just ran out, so the Crickets should drop down about half and hopefully stay there sending out MB.
Unless that is what you meant by lower plateau level, and not a total crash.
"Freedom is just Chaos, with better lighting." Alan Dean Foster

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David S
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Message 1462620 - Posted: 10 Jan 2014, 17:09:04 UTC - in response to Message 1462599.  

My Spidey-Sense says the Crickets are going to drop soon to the lower plateau level.

I hope not. If you are referring to the sudden drop in traffic, AP is not splitting and the ready to send just ran out, so the Crickets should drop down about half and hopefully stay there sending out MB.
Unless that is what you meant by lower plateau level, and not a total crash.

Yes, I meant the APs running out.
David
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Message 1464536 - Posted: 15 Jan 2014, 9:07:08 UTC

The transitioners have gone out to lunch again so no new tasks are being created.

Cheers.
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Message 1464537 - Posted: 15 Jan 2014, 9:07:50 UTC

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Message 1464539 - Posted: 15 Jan 2014, 9:24:05 UTC

Seems that they are having a pattern of troubles after the weekly outage lately.

Meowsigh.
"Freedom is just Chaos, with better lighting." Alan Dean Foster

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Message 1464553 - Posted: 15 Jan 2014, 10:55:47 UTC

I have had nothing validated since at least 8:35:01 UTC ("Your Computers" shows same credit numbers). Are the Transitioners involved in that process, too?
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Message 1464557 - Posted: 15 Jan 2014, 11:13:52 UTC

It starts again slowly... :)
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Message 1464611 - Posted: 15 Jan 2014, 15:16:55 UTC

Looks like I ran out of work at some point last night, but got a full quota again this morning with some AP work as well.

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Josef W. Segur
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Message 1464660 - Posted: 15 Jan 2014, 17:42:03 UTC - in response to Message 1464553.  

I have had nothing validated since at least 8:35:01 UTC ("Your Computers" shows same credit numbers). Are the Transitioners involved in that process, too?

Yes, a Transitioner checks whether there's at least a quorum of "success" results before Validation is attempted.
                                                                   Joe
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Message 1464713 - Posted: 15 Jan 2014, 18:53:52 UTC - in response to Message 1464660.  

Thanks, Joe
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Message 1467004 - Posted: 21 Jan 2014, 14:58:04 UTC

I see the transitioners have all gone down so the splitters have stopped as well.
Hopefully it's just a transient thing.
Otherwise, we'll have to wait for today's outage to sort thingys again.

Meowsigh.
"Freedom is just Chaos, with better lighting." Alan Dean Foster

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Message 1467007 - Posted: 21 Jan 2014, 15:00:57 UTC - in response to Message 1467004.  

Yep Mark, the credits meter of my team is blocked ! Sniff... Meow...
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Message 1467009 - Posted: 21 Jan 2014, 15:10:11 UTC

Wow, nearly four whole days since anyone posted in this thread.

Well, I just looked at the SSP. It shows the AP splitters running and several tapes in progress, but the AP queue is empty. I suppose the

[post interrupted by the fire alarm going off while the outside temperature is 1.4F]

guys were off yesterday. I also suppose the splitters will get kicked in today's outrage, and then probably get stuck again.

(The alarm was caused by a fog machine in a speech classroom.)
David
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Message 1467018 - Posted: 21 Jan 2014, 15:52:13 UTC

Ahhhh...
We have some transitioning and splitting starting up again.

Meowsmile.
"Freedom is just Chaos, with better lighting." Alan Dean Foster

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Message boards : Number crunching : Panic Mode On (86) Server Problems?


 
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