dragosvictor commented on code in PR #22058:
URL: https://github.com/apache/pulsar/pull/22058#discussion_r1498730102
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/BrokerService.java:
##########
@@ -403,15 +411,41 @@ public BrokerService(PulsarService pulsar, EventLoopGroup
eventLoopGroup) throws
this.defaultServerBootstrap = defaultServerBootstrap();
this.pendingLookupRequests =
ObserverGauge.build("pulsar_broker_lookup_pending_requests", "-")
- .supplier(() ->
pulsar.getConfig().getMaxConcurrentLookupRequest()
- - lookupRequestSemaphore.get().availablePermits())
+ .supplier(this::getPendingLookupRequest)
.register();
+ this.pendingLookupRequestsCounter =
pulsar.getOpenTelemetry().getMeter()
+ .gaugeBuilder("pulsar.broker.lookup.pending.request.usage")
+ .ofLongs()
+ .setDescription("The number of pending lookup requests in the
broker. "
+ + "When it reaches threshold
\"maxConcurrentLookupRequest\" defined in broker.conf, "
+ + "new requests are rejected.")
+ .buildWithCallback(measurement ->
measurement.record(getPendingLookupRequest()));
+ this.pendingLookupRequestsLimit = pulsar.getOpenTelemetry().getMeter()
+ .gaugeBuilder("pulsar.broker.lookup.pending.request.limit")
+ .ofLongs()
+ .setDescription("The maximum number of pending lookup requests
in the broker. "
+ + "Equal to \"maxConcurrentLookupRequest\" defined in
broker.conf.")
+ .buildWithCallback(
+ measurement ->
measurement.record(pulsar.getConfig().getMaxConcurrentLookupRequest()));
this.pendingTopicLoadRequests = ObserverGauge.build(
- "pulsar_broker_topic_load_pending_requests", "-")
- .supplier(() ->
pulsar.getConfig().getMaxConcurrentTopicLoadRequest()
- - topicLoadRequestSemaphore.get().availablePermits())
+ "pulsar_broker_topic_load_pending_requests", "-")
+ .supplier(this::getPendingTopicLoadRequests)
.register();
+ this.pendingTopicLoadRequestsCounter =
pulsar.getOpenTelemetry().getMeter()
+ .gaugeBuilder("pulsar.broker.topic.load.pending.request.usage")
Review Comment:
Tentatively went with
`pulsar.broker.topic.lookup.operation.pending.[usage,limit]`.
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