On Linux you can increase the amounts of file descriptors you have open
through executing the 'ulimit -n <some large number>' in your shell
before you open Nuke.
Note that the command only works for the current shell session and may
be subject to more strict system wide limitations such as those set
through SELinux.
If you want this to work every time you log in and bash is your shell,
you can put the line into both .bash_profile and .bashrc in your home
directory.
HTH,
Wouter
On 27/11/2011 22:36, John RA Benson wrote:
Seeing this on Linux, suse 11, Nuke 6.2v1. No frameblends or holds but
there are frameoffsets. The write node being output has a total of 15
nodes in the tree, 3 reads, 3 time offsets, 3 transforms 3 reformats, 2
merges and a write. There are about 20 other reads with offsets in the
script, but not in the tree being written. If those are being opened
too, that's probably not helping, but it's still a fraction of the
number of reads in a lot of scripts around here.
We see this error a lot with frameblends, but usually the scripts are
much bigger and there are a lot more reads. in that case the scripts die
on open. Amount of frames wouldn't matter. This just seemed extra
strange to die randomly in the middle of a render.
Sorta glad its happening to others and not just here, only in that its
shared misery. Systems is going to increase my file limit tomorrow, will
see if it helps. I feel they shouldn't have to - the limit is there for
a reason, rights? Seems like Nathan is probably correct in Nuke being
lazy about destroying FileReader instances.
cheers
jrab
We had that with many exr type readers and timeoffsets... Removed
every not necessary reads eliminated the error. But sometimes
scrubbing too much the timeline got the error back.
Gabor
On Sun, Nov 27, 2011 at 7:35 PM, Michael Garrett
<[email protected] <mailto:[email protected]>> wrote:
Do you have a bunch of FrameHolds in the script? That seems to be
a catalyst for this issue popping up.
On 27 November 2011 09:17, ari Rubenstein <[email protected]
<mailto:[email protected]>> wrote:
I get this daily, usually when scrubbing in the viewer, or
rendering a flipbook. Or hitting the arrow keys quickly
stepping thru frames.
Quite painful and common. Seems Nuke gets 'congested' with
some temporal operations, more so then shake did in my experience.
Ari
Sent from my iPhone
On Nov 27, 2011, at 12:10 PM, John RA Benson
<[email protected]
<mailto:[email protected]>> wrote:
> Hey there -
>
> Having some strange rendering issues: Very simple script, 3
read nodes (exr's), just a over b for each. Except it's 4488
frames long. After a thousand frames or so, the render fails:
>
> OSError: [Errno 24] Too many open files:
'/path/to/frames.4249.exr'
>
> I'm not sure if this is due to nuke or the wrapper and
environment that launches the render. Seems really weird.
Anyone else hit a "Too many open files" after rendering for
awhile?
>
> thanks
> JRAB
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The Foundry Visionmongers Ltd • Reg.d in England and Wales No: 4642027
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