ethdb/pebble: fix pebble metrics registration #29699
Merged
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Pebble gauge metrics are stuck when opening a database for the second time (within the same metrics namespace, after closing first one).
Gauge metrics are created with
metrics.NewRegisteredGauge
and it fails silently if metric name already exists. The Meter metrics work despite thatmetrics.NewRegisteredMeter
is used, because it callsmetrics.GetOrRegisterMeter
internally.This PR fixes the issue by using
metrics.GetOrRegister*
functions instead.