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[feat][broker] PIP-264: Add replication subscription stats (#23026)
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72 changes: 72 additions & 0 deletions
72
...rc/main/java/org/apache/pulsar/broker/stats/OpenTelemetryReplicatedSubscriptionStats.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.apache.pulsar.broker.stats; | ||
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|
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| import io.opentelemetry.api.common.AttributeKey; | ||
| import io.opentelemetry.api.common.Attributes; | ||
| import io.opentelemetry.api.metrics.DoubleHistogram; | ||
| import io.opentelemetry.api.metrics.LongCounter; | ||
| import java.util.concurrent.TimeUnit; | ||
| import org.apache.pulsar.broker.PulsarService; | ||
| import org.apache.pulsar.common.stats.MetricsUtil; | ||
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|
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| public class OpenTelemetryReplicatedSubscriptionStats { | ||
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| public static final AttributeKey<String> SNAPSHOT_OPERATION_RESULT = | ||
| AttributeKey.stringKey("pulsar.replication.subscription.snapshot.operation.result"); | ||
| public enum SnapshotOperationResult { | ||
| SUCCESS, | ||
| TIMEOUT; | ||
| private final Attributes attributes = Attributes.of(SNAPSHOT_OPERATION_RESULT, name().toLowerCase()); | ||
| } | ||
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| public static final String SNAPSHOT_OPERATION_COUNT_METRIC_NAME = | ||
| "pulsar.broker.replication.subscription.snapshot.operation.count"; | ||
| private final LongCounter snapshotOperationCounter; | ||
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| public static final String SNAPSHOT_DURATION_METRIC_NAME = | ||
| "pulsar.broker.replication.subscription.snapshot.operation.duration"; | ||
| private final DoubleHistogram snapshotDuration; | ||
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| public OpenTelemetryReplicatedSubscriptionStats(PulsarService pulsar) { | ||
| var meter = pulsar.getOpenTelemetry().getMeter(); | ||
| snapshotOperationCounter = meter.counterBuilder(SNAPSHOT_OPERATION_COUNT_METRIC_NAME) | ||
| .setDescription("The number of snapshot operations attempted") | ||
| .setUnit("{operation}") | ||
| .build(); | ||
| snapshotDuration = meter.histogramBuilder(SNAPSHOT_DURATION_METRIC_NAME) | ||
| .setDescription("Time taken to complete a consistent snapshot operation across clusters") | ||
| .setUnit("s") | ||
| .build(); | ||
| } | ||
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| public void recordSnapshotStarted() { | ||
| snapshotOperationCounter.add(1); | ||
| } | ||
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| public void recordSnapshotTimedOut(long durationMs) { | ||
| snapshotDuration.record(MetricsUtil.convertToSeconds(durationMs, TimeUnit.MILLISECONDS), | ||
| SnapshotOperationResult.TIMEOUT.attributes); | ||
| } | ||
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| public void recordSnapshotCompleted(long durationMs) { | ||
| snapshotDuration.record(MetricsUtil.convertToSeconds(durationMs, TimeUnit.MILLISECONDS), | ||
| SnapshotOperationResult.SUCCESS.attributes); | ||
| } | ||
| } |
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