[GRASS-dev] rast_open_new() saturates after opening 127 temporary files

Glynn Clements glynn at gclements.plus.com
Tue May 28 13:04:48 PDT 2013

Yann Chemin wrote:

> Opening 127 temporary raster files is the limit of GRASS,
> How can I get above that limit?

You need to provide more information: version, OS, any error or debug
messages generated.

I don't have this problem with 7.0 on Linux.

But first, check that it isn't an OS issue. "ulimit -n" reports the
maximum number of open files (in 7.0, you need two per map). Also,
each completed raster needs a subdirectory within the cell_misc
directory, and some filesystems impose a limit on the number of
subdirectories (often much lower than the limit on the number of

Glynn Clements <glynn at gclements.plus.com>

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