Large Binary Files

[Gordon Tyler]

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On 10/14/2010 1:10 AM, Chris Hecker wrote:
>> Considering all the above, along with the 2GB limit (at least on 32
>> bit workstations), it seems like DVCS is not quite ready for prime
>> time here.
> 
> The 2gb limit for a single file is not usually a problem, since it's
> rare that a single file will be that big.  Unless the 2gb limit is on
> the total history of a file, and then that's a problem...

Actually, I believe the 2GB limit is on the process memory in a 32-bit
operating system. So the amount of memory bzr consumes in a single
operation cannot exceed 2GB on a 32-bit operating system.

Unfortunately, bzr has a few problems where although the size of your
file(s) may not be that large, the methods that bzr uses to process them
in memory while committing, pulling, pushing, etc. can use more memory
than the files would occupy normally, thus reaching the 2GB limit when
you might not expect it.

Work is being done on creating a 64-bit installer for Windows, which is
where this problem is seen mostly.

Ciao,
Gordon
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