[R] problems with memory allocation

[Ian Thurlbeck]

On Thu, 21 Oct 1999, you wrote:
> I hope that someone  has had a similar  trouble and  will be able to
> help us :
> 
>  We , have installed the R package in a Digital Workstation  with 500Mb
> of
> RAM memory, running under Unix operating system. The package works  fine
> 
> but when we try to start the program with more than 120Mb, (vsize
> - --120M) the
> workstation refuses to  allocate this memory. The message that we get
> is:
> Fatal error: Could not allocate memory for vector heap.
> 

Manuel

you could try re-setting (read: raise into the stratosphere) the hard
limits in the kernel:

1. Create 2 files, vm.stanza, proc.stanza:
-----vm.stanza ------
vm:
       ubc-maxpercent=80
       ubc-borrowpercent = 10
       vm-maxwire = 104857600
       vm-maxvas = 2134217728
       vm-vpagemax = 16000
       vm-syswiredpercent = 90  

-----end ------

-----proc.stanza--------
proc:
       per-proc-stack-size = 222097152
       max-per-proc-stack-size = 222097152
       per-proc-data-size = 1134217728
       max-per-proc-data-size = 2134217728
       max-per-proc-address-space = 2134217728
       per-proc-address-space = 2134217728 
-----end-------------

2. Load these into the /etc/sysconfigtab file and the in-core memory copy with:

# sysconfigdb -a -f vm.stanza vm
# sysconfigdb -a -f proc.stanza proc
# reboot

If you already have a vm: or proc: section in /etc/sysconfigtab then replace
the -a flag with -u, see the sysconfigdb man page.

Make sure you have /sbin/swapdefault pointing to your /dev/rz0b swap
partition, otherwise strange things may happen :)

Hope this helps

Ian
--
Ian Thurlbeck                http://www.stams.strath.ac.uk/
Statistics and Modelling Science, University of Strathclyde
Livingstone Tower, 26 Richmond Street, Glasgow, UK,  G1 1XH
Tel: +44 (0)141 548 3667           Fax: +44 (0)141 552 2079
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._