fix(kork-sql): Use class variables for hikari pool metrics (backport #1081) #1082
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The SQL pool gauge metrics are disappearing due to the adhoc gauge objects being garbage collected. This change fixes the pool metrics to be class variables instead and hence avoid being garbage collected. The micrometer docs also alludes to this issue: https://micrometer.io/docs/concepts#_why_is_my_gauge_reporting_nan_or_disappearing (cherry picked from commit 032fc2d)
dbyron-sf
approved these changes
Aug 2, 2023
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This is an automatic backport of pull request #1081 done by Mergify.
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