CCweixiao commented on code in PR #6995:
URL: https://github.com/apache/hbase/pull/6995#discussion_r2126697816
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hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/metrics/impl/GlobalMetricRegistriesAdapter.java:
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@@ -126,6 +127,20 @@ private void doRun() {
continue;
}
+ // To determine whether a new MetricRegistry is created in registries,
+ // Need to remove the old MetricRegistry in registeredSources for the
new MetricRegistry
+ // https://issues.apache.org/jira/browse/HBASE-29322
+ MetricsSourceAdapter registeredSource = registeredSources.get(info);
+ if (registeredSource != null &&
!Objects.equals(registeredSource.registry, registry)) {
+ registeredSources.remove(info);
+ synchronized (DefaultMetricsSystem.instance()) {
Review Comment:
It seems unnecessary. I'll adjust the code
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