[Rd] Maximum number of connections in R

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed Mar 31 18:01:52 CEST 2004

It's a large number, and each has some cost.  Why would you need more than 
50 simultaneous connections?  If these are files, a DBMS would seem 
indicated long before that point.

On Wed, 31 Mar 2004, Samuelson, Frank* wrote:

> It appears that the maximum number of connections available
> in R is about 48.  

It is 50.

> Can anyone tell me how to bump this number
> up?  I've been perusing the source, but any info would speed
> things up.

It is pretty obvious, at the top of the file called connections.c!

> Is there a reason that it was set to such a  low number?

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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