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Avoid auto-boxing for gauge metrics #1526
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joshuafernandes
approved these changes
Jun 5, 2019
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PR description
Our gauge metrics were using
Supplier<Integer>,Supplier<Long>andSupplier<Double>which require boxing and unboxing but we can useIntSupplier,LongSupplierandDoubleSupplierinstead of to avoid the need for boxing (and also avoid the possibility ofnullbeing returned).