[R-SIG-Finance] R memory management

[Brian G. Peterson]

Yuri Volchik wrote:
> I'm using R to collect data for a number of exchanges through a socket
> connection and constantly running into memory problems even though task I
> believe is not that memory consuming. I guess there is a miscommunication
> between R and WinXP about freeing up memory.

<snip code example and gc stats>

> But the end result is in Task Manager:
> 
> RGui.exe  Mem Usage 470,472K  VM Size 541,988K
> 
> Even though R reports 
> 
> Garbage collection 16808 = 15754+802+252 (level 0) ... 
> 
> 6.1 Mbytes of cons cells used (7%)
> 
> 1.8 Mbytes of vectors used (1%)
> 
> Has anybody encountered this problem and how you guys deal with it?  It
> seems like a memory leak to me, as tasks are not memory demandind, the
> biggest amount of data in a single file is about 40MB.

Yuri,

This probably belongs on the R users list.  Most of the R core 
developers are on that list.  Even though you are working with exchange 
data, your question isn't really finance related, and you'll probably 
get  more assistance on r-users.

Regards,

     - Brian