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From: Greg Russell <me@invalid.org>
Newsgroups: comp.os.linux.misc
Subject: Re: ext3 filesize problem
Date: 4 Feb 2012 07:14:32 GMT
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On Sat, 04 Feb 2012 06:57:04 +0100, Aragorn wrote in
jgihbg$dov$1@dont-email.me :

> On Saturday 04 February 2012 06:23, Greg Russell conveyed the following
> to comp.os.linux.misc...
> 
>> On Sat, 04 Feb 2012 05:47:06 +0100, Aragorn wrote in
>> jgid8b$vrm$1@dont-email.me :
>> 
>>> On Saturday 04 February 2012 05:40, Greg Russell conveyed the
>>> following to comp.os.linux.misc...
>>> 
>>>> On Fri, 03 Feb 2012 20:55:59 +0000, J G Miller wrote in
>>>> jghhkv$on1$1@dont-email.me :
>>>> 
>>>>> On Friday, February 3rd, 2012, at 19:39:13h +0000, Greg Russell
>>>>> wrote:
>>>>> 
>>>>>> but why motion should limit an mpeg file to 2GB is still not
>>>>>> understandable to me
>>>>> 
>>>>> Well in another post, Stan has suggested the reason is due to the 32
>>>>> bit limit if you are using a 32 bit version of motion.
>>>> 
>>>> Yes, ... and I find that reasoning to be inadequate and unconvincing.
>>>> 2 GB is not a limit on a 32-bit ext3 filesystem.
>>> 
>>> No, but it may be and often is the limit of /certain/ 32-bit
>>> _applications_ [*].  It has nothing to do with the ext3 filesystem.
>>> 
>>> 
>>> [*] The following pertains to web browsers and download utilities,
>>>     but it's a useful bit of information...:
>>>     http://www.kernel.org/faq/#largefiles
>> 
>> No, it's not useful at all in explaining why motion limits itself to a
>> 2GB output filesize on a filesystem that isn't 2GB-limited; it has no
>> relation to the topic under discussion.
> 
> It explains why certain applications are known to limit the size of a
> downloaded file to 2 GB ...

No, it certainly doesn't.

> Apparently "motion" - or at least, the 32-bit version of it - cannot
> handle files larger than 2 GB.  Buffer size, checkpoints, et al.  It is
> not - repeat: not - a limitation of the filesystem, but instead it is a
> limitation of the application.

<sigh> ... good, good, you're starting to address the issue, albeit quite 
obliquely.

> There are editors which suffer from the same limitation. ...

<sigh> ... and what limitation is that wrt "motion"?