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

GRASS GIS trac at osgeo.org
Wed Jun 29 00:07:03 PDT 2016

#2045: r.to.vect: use less memory
  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

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 ?

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

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