From a slashdot comment:
2. The garbage collector does _not_ play well with the swap file. It causes each page belonging to the Java heap to be regularly paged in. Often. Several times per garbage collection pass, in fact.

So whereas a system which stuck to C or C++ will still run at full speed when I load 550 MB of programs in a 512 MB of RAM, a 100% Java system would trash to death at that point. (In fact, see point 2: much sooner than that.)

Does the Perl garbage collector work better? Or is it unevitable for a language with garbage collection?

In reply to Perl garbage collector and swap by zby

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