[EMAIL PROTECTED] wrote on 03/17/2005 02:41:00 AM:
> Michael,
>
> > String.intern() always returns a unique string object, so you
> > could override addSymbol like this:
> >
> > public String addSymbol(char[] buffer, int offset, int length) {
> > return new String(buffer, offset, length).intern(); }
> >
> > and cache nothing in the table. This would be slower but
> > you'd save memory which would have otherwise been used to
> > create a new Entry and a new character array (that has the
> > same contents as the string). The memory consumption of
> > String.intern() is another story, but for Xerces to work
> > correctly it can't be avoided.
>
> On the Java heap side, using a non-caching SymbolTable leads to only
700kB
> of memory allocated at the end of parsing such an XML document instead
of
> the 20MB before. I do see a lot of Java GC going on due to the
exhaustive
> String creation. One step closer to a solution I guess... :-)
>
> How can I measure the size of the interned string table held privately
by
> the String class? Is this table kept in memory until the VM ends? Does
it
> also shrink or does it only grow?
I don't know, though I think the answer to all three will depend on which
JRE you're using.
> Ringo
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>
Michael Glavassevich
XML Parser Development
IBM Toronto Lab
E-mail: [EMAIL PROTECTED]
E-mail: [EMAIL PROTECTED]
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
