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[HUDI-7086] Scaling gcs event source (apache#10073)
- Scaling gcs event source --------- Co-authored-by: rmahindra123 <rmahindra@Rajeshs-MacBook-Pro.local>
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...lities/src/main/java/org/apache/hudi/utilities/sources/helpers/gcs/PubsubQueueClient.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. | ||
| */ | ||
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| package org.apache.hudi.utilities.sources.helpers.gcs; | ||
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| import com.google.cloud.ServiceOptions; | ||
| import com.google.cloud.monitoring.v3.MetricServiceClient; | ||
| import com.google.cloud.pubsub.v1.stub.GrpcSubscriberStub; | ||
| import com.google.cloud.pubsub.v1.stub.SubscriberStub; | ||
| import com.google.cloud.pubsub.v1.stub.SubscriberStubSettings; | ||
| import com.google.monitoring.v3.ListTimeSeriesRequest; | ||
| import com.google.monitoring.v3.Point; | ||
| import com.google.monitoring.v3.ProjectName; | ||
| import com.google.monitoring.v3.TimeInterval; | ||
| import com.google.protobuf.util.Timestamps; | ||
| import com.google.pubsub.v1.AcknowledgeRequest; | ||
| import com.google.pubsub.v1.PullRequest; | ||
| import com.google.pubsub.v1.PullResponse; | ||
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| import java.io.IOException; | ||
| import java.time.Instant; | ||
| import java.util.List; | ||
| import java.util.concurrent.TimeUnit; | ||
|
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| public class PubsubQueueClient { | ||
| private static final String METRIC_FILTER_PATTERN = "metric.type=\"pubsub.googleapis.com/subscription/%s\" AND resource.label.subscription_id=\"%s\""; | ||
| private static final String NUM_UNDELIVERED_MESSAGES = "num_undelivered_messages"; | ||
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| public SubscriberStub getSubscriber(SubscriberStubSettings subscriberStubSettings) throws IOException { | ||
| return GrpcSubscriberStub.create(subscriberStubSettings); | ||
| } | ||
|
|
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| public PullResponse makePullRequest(SubscriberStub subscriber, String subscriptionName, int batchSize) throws IOException { | ||
| PullRequest pullRequest = PullRequest.newBuilder() | ||
| .setMaxMessages(batchSize) | ||
| .setSubscription(subscriptionName) | ||
| .build(); | ||
| return subscriber.pullCallable().call(pullRequest); | ||
| } | ||
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| public void makeAckRequest(SubscriberStub subscriber, String subscriptionName, List<String> messages) { | ||
| AcknowledgeRequest acknowledgeRequest = AcknowledgeRequest.newBuilder() | ||
| .setSubscription(subscriptionName) | ||
| .addAllAckIds(messages) | ||
| .build(); | ||
| subscriber.acknowledgeCallable().call(acknowledgeRequest); | ||
| } | ||
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| public long getNumUnAckedMessages(String subscriptionId) throws IOException { | ||
| try (MetricServiceClient metricServiceClient = MetricServiceClient.create()) { | ||
| MetricServiceClient.ListTimeSeriesPagedResponse response = metricServiceClient.listTimeSeries( | ||
| ListTimeSeriesRequest.newBuilder() | ||
| .setName(ProjectName.of(ServiceOptions.getDefaultProjectId()).toString()) | ||
| .setFilter(String.format(METRIC_FILTER_PATTERN, NUM_UNDELIVERED_MESSAGES, subscriptionId)) | ||
| .setInterval(TimeInterval.newBuilder() | ||
| .setStartTime(Timestamps.fromSeconds(Instant.now().getEpochSecond() - TimeUnit.MINUTES.toSeconds(2))) | ||
| .setEndTime(Timestamps.fromSeconds(Instant.now().getEpochSecond())) | ||
| .build()) | ||
| .build()); | ||
| // use the latest value from the window | ||
| List<Point> pointList = response.getPage().getValues().iterator().next().getPointsList(); | ||
| return pointList.stream().findFirst().map(point -> point.getValue().getInt64Value()).orElse(Long.MAX_VALUE); | ||
| } | ||
| } | ||
| } |
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