[Rd] Memory "leak" in readChar (PR#1483)
Peter Dalgaard BSA
26 Apr 2002 11:48:46 +0200
> Full_Name: Hugh C. Pumphrey
> Version: 1.4.1
> OS: Linux (Debian Woody)
> Submission from: (NULL) (126.96.36.199)
> The function readChar() appears to have some type of problem with memory
> I don't know if "memory leak" is the correct term but if one uses readChar()
> times, the R binary grows in size until it eats all your memory and swap space.
> The code enclosed below demonstrates the problem. As-is, it causes the size
> of R.bin to grow from 11MB to 50MB, even though there are no large arrays.
> The old Rstreams package did not do this. Also, the function readBin() does
> not suffer from this problem.
Still there in a recent pre-1.5.0 looks like a bunch of Vcells is
allocated but remains protected from garbage collection.
I doubt that this is something we'd dare try and fix before the
release on Monday though.
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
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