Stephane Nicoll 45e6058761 Add R2BC connection pool metrics
This commit adds metrics support for `ConnectionPool` beans.

See gh-19988

Co-authored-by: Mark Paluch <mpaluch@pivotal.io>
Co-authored-by: Tadaya Tsuyukubo <tadaya@ttddyy.net>
2020-02-25 09:22:57 -05:00
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2020-02-25 09:22:57 -05:00
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