Would calling .size() on every entry be a performance issue for Hazelcast?
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I have an experimental `EntryListener` on a Hazelcast `Map` that calls `.size()` on every entry.

I want to know if this is a bad idea and if it could be a performance issue as it is a cluster wide operation.

Currently I can't see any performance degradation for 5-10k elements and 2 nodes.

Thanks,