Java out of memory error

Hi,
i'm receiving this error when at end of my transformation (Insert step)

my spoon.bat has:

if "%PENTAHO_DI_JAVA_OPTIONS%"=="" set PENTAHO_DI_JAVA_OPTIONS="-Xms512m" "-Xmx1300m" "-XX:MaxPermSize=512m"

There is a solution or pentaho is a ****?