[EMAIL PROTECTED] wrote:
> Hi,
>
> It would be appreciated if someone could help me on the following questions.
>
> Q1: can I use "k", "m" and "g" to specify kbyte, mbyte and
> gbyte, like -Xms700m (for 700 mb), -Xmx2g (for 2 gb)?
You should.
>
> Q2: is there any upper limit for -Xms and -Xmx values, or can
> I use whatever value I want such as -Xms700m and
> -Xmx2g (suppose "m" and "g" are available)?
There is no upper limit.
>
> Q3: should I consider the actual physical memory size when I
> specify -Xms and -Xmx values?
Yes.
>
> Q4: Windows use memory paging, so if I use larger -Xms and
> -Xmx values than physical memory size, paging occurs
> and paging activity may slow down Java application execution.
> Does Linux use paging in the same way as Windows does?
For this purpose, yes.
>
> Q5: is there any document which explain how to use -Xms and -Xmx
> in more details?
No, because they are non-standard options. But they work the same way
they do under Window$.
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