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Re: [GNUnet-developers] too many open files

From: Christian Grothoff
Subject: Re: [GNUnet-developers] too many open files
Date: Thu, 07 Jun 2012 18:49:33 +0200
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On 06/07/2012 04:41 PM, Mike Dupont wrote:
> Hi there,
> I got it running finally, had to update the config to turn off the gid and
> uid matching.

That's a rather brutal way to fix this --- did you try following the
installation handbook on access control?  The text is here:

> attached is my current config :
> now i am getting this error when publishing files :
> Jun 07 16:33:10-963033 util-818 ERROR `mkstemp' failed on file
> `/home/mdupont/.gnunet/fs/persistence//gnunet-fs-gtk/publish-file/kTDxvY'
> at disk.c:448 with error: Too many open files

Interesting, that sounds like a bug...  Can you please post exact
instructions for how to reproduce this on our bugtracker?

> any ideas to increase that limit or to change the code to publish some
> files first, i think there are just too many.

Well, the code *should* go incrementally over the tree and work with a
bounded number of file-descriptors.  So we either have a leak somewhere,
or something else fundamental got broken somewhere.  Hard to say.  I'll
be happy to look into it --- but first I'll need to reproduce it.  If
you file a bug report, I'll certainly comment on my success/failure to
reproduce there and then we can see what additional information might be
required to address this.

First, can you try publishing using just 'gnunet-publish' (no
gnunet-fs-gtk)?  If that works, it would already significantly narrow
down the potential scope of the problem.  I'll also run some tests once
I have a chance...

Happy hacking!

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