There might be a file handle leak, i.e. files were never closed after being written.
The Process Explorer program: http://technet.microsoft.com/en-us/sysinternals/bb896653.aspx can tell you. -- View this message in context: http://r.789695.n4.nabble.com/R-getting-slower-until-it-breaks-tp2965522p2967890.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.