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ISSUE: Using *forks* for parallel processing in R is not always safe. The `parallel::mclapply()` function uses forked processes to parallelize. One example where it has been confirmed that forked processing causes problems is when running R via RStudio. It is recommended to use PSOCK clusters (`parallel::makeCluster()`) rather than *forked* processes when running R from RStudio (

...ncourage anyone who ever forked a process > to read it). Therefore, I'd go beyond Henrik's suggestion, and I'd > advocate for deprecating fork clusters and eventually removing them > from parallel. > > [1] https://www.microsoft.com/en-us/research/uploads/prod/2019/04/fork-hotos19.pdf > > -- > I?aki ?car > > ______________________________________________ > R-devel at r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel