Second question: Is it possible to make this dummy friendly by allowing
"pigz" as an option for ``compress`` in saveRDS and save? And in such a way
that the decompressing is hidden from the user like normal?
Re: Parallel compression support for saving to rds/rdata files?
> On Dec 15, 2016, at 12:08 AM, Kenny Bell <[hidden email]> wrote:
> I have tried to follow the instructions in the ``save`` documentation and
> it doesn't seem to work (see below):
> mydata <- do.call(rbind, rep(iris, 10000))
> con <- pipe("pigz -p8 > fname.gz", "wb");
> save(mydata, file = con); close(con) # This runs
> R.utils::gunzip("fname.gz", "fname.RData", overwrite = TRUE)
> load("fname.RData") # Error: error reading from connection
> First question: Should the above work?
Not really, gzip is a bad example, because it doesn't really support parallel compression (since a gzip stream cannot be chopped into blocks by design), but you can do it with bzip2:
> Second question: Is it possible to make this dummy friendly by allowing
> "pigz" as an option for ``compress`` in saveRDS and save? And in such a way
> that the decompressing is hidden from the user like normal?
> Kendon Bell
> Email: [hidden email] > Phone: (510) 612-3375
> Ph.D. Candidate
> Department of Agricultural & Resource Economics
> University of California, Berkeley
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