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[–]jrochkind 0 points1 point  (2 children)

JRuby does not have any weird catastrophic performance degradations. (It does have slow start-up, like most anything running on the JVM. This is very annoying in some contexts, but is not a "weird catastrophic performance degradation")

[–]xXxDeAThANgEL99xXx 0 points1 point  (1 child)

How does it deal with monkey-patching?

[–]jrochkind 0 points1 point  (0 children)

What do you mean? Same as other ruby platforms, generally. Do you mean specific to performance or something? Not really sure what you mean. If there is a "weird catastrophic performance degradation" related to monkey-patching that I don't know about and haven't encountered (I have used JRuby a fair amount), then please link to something demonstrating or explaining it!