hangc0276 commented on code in PR #17531:
URL: https://github.com/apache/pulsar/pull/17531#discussion_r979724814
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pulsar-broker/src/main/java/org/apache/pulsar/broker/stats/prometheus/metrics/PrometheusMetricsProvider.java:
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@@ -24,37 +24,44 @@
import io.prometheus.client.Collector;
import java.io.IOException;
import java.io.Writer;
+import java.util.Collections;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
-import java.util.concurrent.ConcurrentSkipListMap;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
-import org.apache.bookkeeper.stats.CachingStatsProvider;
import org.apache.bookkeeper.stats.StatsLogger;
import org.apache.bookkeeper.stats.StatsProvider;
import org.apache.commons.configuration.Configuration;
import org.apache.commons.lang.StringUtils;
+import org.apache.pulsar.broker.stats.prometheus.PrometheusRawMetricsProvider;
+import org.apache.pulsar.common.util.SimpleTextOutputStream;
/**
- * A <i>Prometheus</i> based {@link StatsProvider} implementation.
+ * A <i>Prometheus</i> based {@link PrometheusRawMetricsProvider}
implementation.
*/
-public class PrometheusMetricsProvider implements StatsProvider {
+public class PrometheusMetricsProvider implements StatsProvider,
PrometheusRawMetricsProvider {
Review Comment:
Refer to https://github.com/apache/pulsar/pull/17531#discussion_r979710232
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