I did some memory profiling on a Clojure Application.
I wondered why 361000 clojure.lang.Symbols exist.
So I did some object browsing on the memory dump and found duplicate
symbols. After checking the source:
static public Symbol intern(String nsname){
int i = nsname.indexOf('/');
if(i == -1 || nsname.equals("/"))
return new Symbol(null, nsname.intern());
else
return new Symbol(nsname.substring(0, i).intern(),
nsname.substring(i + 1).intern());
}
I realized that interning of a symbol always returns a "new" Symbol object.
If a symbol X is interned twice, shouldn't the second Symbol.intern(X)
return the previous interned symbol object?
Jürgen
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