[gdal-dev] GDALDataset limits?

Lucena, Ivan ivan.lucena at pmldnet.com
Fri Aug 1 09:30:56 EDT 2008


What is the DBMS that you are using? Since the image are unmanaged (file 
system) the DBMS should face the same file-handles limitation, no? 
Anyway, do you really need to have all 2254 files opened at the same 
time? Just curiosity.

Best regards,


Mateusz Loskot wrote:
> Daniel Morissette wrote:
>> Patrick Cannon wrote:
>>> I do not think this is a memory issue because with the program running
>>> and 1000+ datasets open it has not hit the swap.
>>> If it is not a limit in the library, do you have any ideas?
>> Could you be running out of file handles?
>> By default, at least on my Ubuntu box, there is a maximum of 1024 file
>> handles per user process. If you're on Linux you could find out the
>> limit on your system with 'ulimit -a'.
> I support Daniel's assumption.
> On my Mac OS X 10.5 (Power PC) it's set to 256.
> So, it varies significantly across operating systems.
> Best regards,

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