Also, wanted to share - I can see the perl routine process RSS grows to 2GB when the Out of memory is issued -

fdrread@laatdm62:/data/fdr/scripts/irp> ps v 790630
     PID    TTY STAT  TIME PGIN  SIZE   RSS   LIM  TSIZ   TRS %CPU %ME
+M COMMAND
  790630  pts/0 A     0:18    0 1450840 1452752    xx  1052  1912  9.0
+  8.0 perl ./
fdrread@laatdm62:/data/fdr/scripts/irp> ps v 790630
     PID    TTY STAT  TIME PGIN  SIZE   RSS   LIM  TSIZ   TRS %CPU %ME
+M COMMAND
  790630  pts/0 A     0:20    0 1475716 1477628    xx  1052  1912  9.1
+  8.0 perl ./
fdrread@laatdm62:/data/fdr/scripts/irp> ps v 790630
     PID    TTY STAT  TIME PGIN  SIZE   RSS   LIM  TSIZ   TRS %CPU %ME
+M COMMAND
  790630  pts/0 A     0:39    0 2050400 2052312    xx  1052  1912  9.5
+ 11.0 perl ./
fdrread@laatdm62:/data/fdr/scripts/irp> Out of memory!
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