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-   -   [NOVA] Deadlock 7/25 (http://archive.swgemu.com/forums//showthread.php?t=27404)

Okin 07-25-2009 11:45 PM

Quote:

Originally Posted by Tiron (Post 387202)
Gist of a Deadlock, 'cause I know some will be too lazy to click...

When a complex computer program, such as SWGEMU, runs multiple processes or multiple processing threads...basically, not all one monolithic thing, but divided up into smaller chunks that are processed individually and separately, two of those processes/threads will get into such a state where quite literally two of them are waiting for each other to finish something in order to continue.

It's as if Bob and Lisa were both writing a report, and both need numbers from each other's reports in order to finish theirs. When they get to the point where they need the other's numbers, they stop and cannot continue until the other finishes. Since both are in this state, this never happens. And when they try to call each other to get the numbers, they both get a busy signal because each is calling the other.

So the server grinds to a halt while Bob and Lisa are twiddling their thumbs waiting for something that will never come.

Hahaha I love your explanation btw ^_^

Mordrid 07-26-2009 12:23 AM

AHA! Thanks Leo for the link directly to this thread.

There has got to be a better place to put an announcement of this magnitude so that its easier to locate, and is obviously still relevant. Like in big flashing letters on the first page of the forums. So even stupid people like me can notice it. Before we start asking dumb questions.

Futuramaman 07-26-2009 12:29 AM

We shall patiently wait pulling out all of our hair waiting for the server to come back online :P

jk... I'll check again tomorrow.

fixit6 07-26-2009 12:51 AM

Quote:

Originally Posted by Mordrid (Post 387224)
AHA! Thanks Leo for the link directly to this thread.

There has got to be a better place to put an announcement of this magnitude so that its easier to locate, and is obviously still relevant. Like in big flashing letters on the first page of the forums. So even stupid people like me can notice it. Before we start asking dumb questions.

Uh its posted clearly in the Community Service Announcements forums...um. Er. LOL.

Chayn 07-26-2009 12:53 AM

And when it's back up i'll bet it'll be posted here too...

Ekaika 07-26-2009 02:57 AM

Can lead a horse to water....

Tiron 07-26-2009 03:04 AM

but you can't make him click. it's the hooves.

Ekaika 07-26-2009 06:23 AM

Server up.


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