[R-sig-DB] Problem to read file with filehash

[Seth Falcon]

Hi Rock,

I'm not sure why you are sending this message to R-sig-DB.

* On 2009-05-23 at 09:30 -0400 Rock Ouimet wrote:
> I try to use a very large file (~3 Gib) with the *filehash* package. The
> length of the dataset is around 4,000,000 obs. I get this message from R
> while trying to "load" the dataset (named "cc084.csv"):
> 
> I launched the following codes:
> library(*filehash*)
> dumpDF(read.csv("cc084.csv", header=T), dbName="db01")
> mydb <- db2env("db01")
> 
> R replied:
> 
> > dumpDF(read.csv("cc084.csv", header=T), dbName="db01")
> Erreur : impossible d'allouer un vecteur de taille 15.6 Mo (French)
> Error: impossible to allow a vector of size 15.6 Meg (my English
> translation)
> 
> There must be something I'm doing wrong...  I would appreciate any help.
> Thank you.
> My R version is 2.8.1.

Perhaps you simply do not have enough memory available to accomplish
this task?  You have not provided much information about your
installation.  sessionInfo() output is always helpful.

+ seth