asafm commented on code in PR #22058:
URL: https://github.com/apache/pulsar/pull/22058#discussion_r1512434645
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pulsar-broker/src/main/java/org/apache/pulsar/broker/namespace/NamespaceService.java:
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@@ -175,6 +187,25 @@ public NamespaceService(PulsarService pulsar) {
this.bundleSplitListeners = new CopyOnWriteArrayList<>();
this.localBrokerDataCache =
pulsar.getLocalMetadataStore().getMetadataCache(LocalBrokerData.class);
this.redirectManager = new RedirectManager(pulsar);
+
+ var meter = pulsar.getOpenTelemetry().getMeter();
+ this.lookupRedirectsCounter = meter
+ .counterBuilder("pulsar.broker.lookup.redirect")
+ .setDescription("The number of lookup redirected requests")
+ .build();
+ this.lookupFailuresCounter = meter
+ .counterBuilder("pulsar.broker.lookup.failure")
+ .setDescription("The number of lookup failures")
+ .build();
+ this.lookupAnswersCounter = meter
+ .counterBuilder("pulsar.broker.lookup.answer")
+ .setDescription("The number of lookup responses (i.e. not
redirected requests)")
+ .build();
+ this.lookupLatencyHistogram = meter
+ .histogramBuilder("pulsar.broker.lookup.latency")
Review Comment:
We were brainstorming many metrics :)
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