[gdal-dev] Memory loss with RasterIO

Goo Creations goocreations at gmail.com
Fri May 27 07:01:59 EDT 2011


Thanks. I'll try playing around with different block sizes, to reduce

On Fri, May 27, 2011 at 12:55 PM, Even Rouault <even.rouault at mines-paris.org
> wrote:

> You're perhaps running into memory fragmentation issues if your buffer is
> too
> big. And yes, GDAL maintains internally a block cache whose blocks are
> destroyed
> when the dataset is closed. But by default (unless you explicitely set it
> to
> another value), it is limited to 40 MB. But mixing small allocations and
> big
> allocations can indeed lead to memory fragmentation issues, especially if
> you're
> on a 32bit OS that has a limited address space.
> Best regards,
> Even
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