User guide

Chapter 8: Port Configuration and Port Access Application
55
Values -
Syntax
Descriptio
n
Default/Comments
‐Xms<Size>
inbytes
Setsthe
initialsizeof
theJava
heap.
2097152(2MB)
 The‐serverflagincreasesthe
defaultsizeto32M.
 Thevaluesmustbea
multipleof,andgreaterthan,
1024bytes(1KB).
 Appendtheletter“m”or
“M”toindicatemegabytes
and“k”or“K”toindicate
kilobytes.
‐Xmn<Size>
inbytes

Setsthe
initialJava
heapsizefor
theEden
generation.
640K
 The‐serverflagincreasesthe
defaultsizeto2M.
 Appendtheletter“m”or
“M”toindicatemegabytes
and“k”or“K”toindicate
kilobytes.
‐Xmx<Size>
inbytes

Setsthe
maximum
sizetowhich
theJavaheap
cangrow.
64M
 The‐serverflagincreasesthe
defaultsizeto128M.
 Themaximumheaplimitis
approximately2GB
(2048MB).
 Appendtheletter“m”or
“M”toindicatemegabytes
and“k”or“K”toindicate
kilobytes..