[GRASS-dev] [GRASS GIS] #2045: r.to.vect: use less memory

#2045: r.to.vect: use less memory
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  Reporter: mlennert | Owner: grass-dev@…
      Type: enhancement | Status: closed
  Priority: normal | Milestone: 7.0.5
Component: Raster | Version: svn-trunk
Resolution: fixed | Keywords: r.to.vect
       CPU: Unspecified | Platform: Unspecified
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Comment (by mlennert):

Replying to [comment:20 mmetz]:
> Replying to [comment:19 mlennert]:
> >
> > Data and info provided via private mail.
>
> I have received the data, thanks!
>
> >
> > Previous posters have also reported that setting GRASS_VECTOR_LOWMEM
didn't make much of a difference, so maybe the problem is there ?
>
> I don't think so. Without GRASS_VECTOR_LOWMEM, v.build needs about 26 GB
of RAM. With GRASS_VECTOR_LOWMEM, v.build needs about 11 GB of RAM

A question that came up in a discussion with colleagues: could this memory
need be determined before building topology and possibly check for enough
available memory / warn the user ?

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Ticket URL: <https://trac.osgeo.org/grass/ticket/2045#comment:25&gt;
GRASS GIS <https://grass.osgeo.org>