Get the amount of RAM that an environment uses in R

Question

Apparently object.size does not work here:

> e = new.env()
> e$a = 1:10000
> e$b = 1:10000
> object.size(e)
56 bytes
> e$c = 1:10000
> object.size(e)
56 bytes

possible duplicate of [Tricks to manage the available memory in an R session?](http://stackoverflow.com/questions/1358003/tricks-to-manage-the-available-memory-in-an-r-session) — hrbrmstr, Oct 25 '14 at 23:05

score 1 · Accepted Answer · answered Oct 25 '14 at 23:08

Use object_size function from pryr package:

> library(pryr)
> e = new.env()
> e$a = 1:10000
> e$b = 1:10000
> object.size(e)
28 bytes
> object_size(e)
80.3 kB
> e$c = 1:10000
> object.size(e)
28 bytes
> object_size(e)
120 kB

See also Hadley's doc about memory in R: http://adv-r.had.co.nz/memory.html

score 1 · Answer 2 · answered Oct 26 '14 at 05:57

1

A simple base R solution:

sum(sapply(e, object.size))

answered Oct 26 '14 at 05:57

Hong Ooi

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Get the amount of RAM that an environment uses in R

2 Answers2