lhotari commented on code in PR #22058:
URL: https://github.com/apache/pulsar/pull/22058#discussion_r1514930165
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/namespace/NamespaceService.java:
##########
@@ -175,6 +199,12 @@ public NamespaceService(PulsarService pulsar) {
this.bundleSplitListeners = new CopyOnWriteArrayList<>();
this.localBrokerDataCache =
pulsar.getLocalMetadataStore().getMetadataCache(LocalBrokerData.class);
this.redirectManager = new RedirectManager(pulsar);
+
+ this.lookupLatencyHistogram = pulsar.getOpenTelemetry().getMeter()
+ .histogramBuilder("pulsar.broker.lookup.request.duration")
+ .setDescription("Lookup request duration")
+ .setUnit("s")
Review Comment:
Thank you @dragosvictor for the pointer. I also found
https://github.com/open-telemetry/opentelemetry-specification/issues/2977 which
was helpful as background information.
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