[R] increasing the # of socket connections

Marc Kirchner marc.kirchner at iwr.uni-heidelberg.de
Fri Aug 25 16:48:18 CEST 2006


Dear "R-help"ers,

using snow on socket connections, I ran into the following error

	>  cl <- makeSOCKcluster(hosts)
	Error in socketConnection(port = port, server = TRUE, 
	blocking = TRUE : all connections are in use

with "showConnections(all=T)" showing 50 open connections.

As - for administrative reasons - I would prefer to use snow's
SOCK capabilities (instead of MPI and the like), I wonder if there is a
way to increase the number of simultaneous open connections allowed in
an R session (~100 would be sufficient).

Any help/hints are greatly appreciated,
best regards,
Marc

-- 
========================================================
Dipl. Inform. Med. Marc Kirchner
Interdisciplinary Centre for Scientific Computing (IWR)
Multidimensional Image Processing
INF 368
University of Heidelberg
D-69120 Heidelberg
Tel: ++49-6221-54 87 97
Fax: ++49-6221-54 88 50
marc.kirchner at iwr.uni-heidelberg.de

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