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Old   February 22, 2010, 23:51
Default OpenFOAMWiki Dead?
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Michael Jaworski
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I'm having trouble accessing anything other than non-graphics cached version of many of the pages.

Admittedly, I'm not here very often so many I missed some news, but is the wiki gone?
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Old   February 23, 2010, 03:42
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Alberto Passalacqua
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Originally Posted by mike_jaworski View Post
I'm having trouble accessing anything other than non-graphics cached version of many of the pages.

Admittedly, I'm not here very often so many I missed some news, but is the wiki gone?
Probably just a server problem. It was up a few days ago, because I was working on it a little bit.
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Old   February 24, 2010, 15:52
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Alberto Passalacqua
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It's up again
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GeekoCFD - A free distribution based on openSUSE 64 bit with CFD tools, including OpenFOAM. Available as live DVD/USB, hard drive image and virtual image.
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Old   March 3, 2010, 21:21
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Michael Jaworski
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Thanks. It's been most helpful. I guess it was just a server glitch.
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Old   March 4, 2010, 09:03
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Bernhard Gschaider
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Originally Posted by mike_jaworski View Post
Thanks. It's been most helpful. I guess it was just a server glitch.
Sorry for the inconvenience these outages annoy me too. The problem is that the webserver runs out of swap-space when it shouldn't (it's got plenty).

The rest of this posting is of not interest to anyone, I just want to get it off my chest
Nevertheless. I investigated a bit and found that there are several processes that try to convert an animated gif U.gif to a thumbnail. The upload time of that gif was just before tonights outage. Further investigations showed that the convert command is "guarded" by a ulimit that makes sure that a shell command can't grab the whole server. That ulimit is to tight for that particular conversion making it fail with a sigv and it seems that the httpd-thread never recovers from that, thus not freeing the memory. The next time that thumbnail is requested the same thing happens until the server runs out of memory. For the time being I fixed the problem by increasing the amount of memory that is allowed for such operations and now the thumbnail is generated without problems (but this can't be a permanent fix because one of these days a "bigger" file will come along and then it will start all over again)
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