KAFKA-19004:Move DelayedDeleteRecords to server-common module #19226
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| /* | ||
| * 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.kafka.server.purgatory; | ||
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|
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| import org.apache.kafka.common.TopicPartition; | ||
| import org.apache.kafka.common.message.DeleteRecordsResponseData.DeleteRecordsPartitionResult; | ||
| import org.apache.kafka.common.protocol.Errors; | ||
| import org.apache.kafka.server.metrics.KafkaMetricsGroup; | ||
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|
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| import com.yammer.metrics.core.Meter; | ||
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| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
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||
| import java.util.Collections; | ||
| import java.util.Map; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.function.BiConsumer; | ||
| import java.util.function.Consumer; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| /** | ||
| * A delayed delete records operation that can be created by the replica manager and watched | ||
| * in the delete records operation purgatory | ||
| */ | ||
| public class DelayedDeleteRecords extends DelayedOperation { | ||
|
|
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| private static final Logger LOG = LoggerFactory.getLogger(DelayedDeleteRecords.class); | ||
|
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| // migration from kafka.server.DelayedDeleteRecordsMetrics | ||
| private static final KafkaMetricsGroup METRICS_GROUP = new KafkaMetricsGroup("kafka.server", "DelayedDeleteRecordsMetrics"); | ||
| private static final Meter AGGREGATE_EXPIRATION_METER = METRICS_GROUP.newMeter("ExpiresPerSec", "requests", | ||
| TimeUnit.SECONDS); | ||
|
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| private final Map<TopicPartition, DeleteRecordsPartitionStatus> deleteRecordsStatus; | ||
| private final BiConsumer<TopicPartition, DeleteRecordsPartitionStatus> onAcksPending; | ||
| private final Consumer<Map<TopicPartition, DeleteRecordsPartitionResult>> responseCallback; | ||
|
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| public DelayedDeleteRecords(long delayMs, | ||
| Map<TopicPartition, DeleteRecordsPartitionStatus> deleteRecordsStatus, | ||
| // To maintain compatibility with dependency packages, the logic has been moved to the caller. | ||
| BiConsumer<TopicPartition, DeleteRecordsPartitionStatus> onAcksPending, | ||
| Consumer<Map<TopicPartition, DeleteRecordsPartitionResult>> responseCallback) { | ||
| super(delayMs); | ||
| this.onAcksPending = onAcksPending; | ||
| this.deleteRecordsStatus = Collections.unmodifiableMap(deleteRecordsStatus); | ||
| this.responseCallback = responseCallback; | ||
| // first update the acks pending variable according to the error code | ||
| deleteRecordsStatus.forEach((topicPartition, status) -> { | ||
| if (status.responseStatus().errorCode() == Errors.NONE.code()) { | ||
| // Timeout error state will be cleared when required acks are received | ||
| status.setAcksPending(true); | ||
| status.responseStatus().setErrorCode(Errors.REQUEST_TIMED_OUT.code()); | ||
| } else { | ||
| status.setAcksPending(false); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| /** | ||
| * The delayed delete records operation can be completed if every partition specified in the request satisfied one of the following: | ||
| * | ||
| * 1) There was an error while checking if all replicas have caught up to the deleteRecordsOffset: set an error in response | ||
| * 2) The low watermark of the partition has caught up to the deleteRecordsOffset. set the low watermark in response | ||
| * | ||
| */ | ||
| @Override | ||
| public boolean tryComplete() { | ||
| // check for each partition if it still has pending acks | ||
| deleteRecordsStatus.forEach((topicPartition, status) -> { | ||
| LOG.trace("Checking delete records satisfaction for {}, current status {}", topicPartition, status); | ||
| // skip those partitions that have already been satisfied | ||
| if (status.acksPending()) { | ||
| onAcksPending.accept(topicPartition, status); | ||
| } | ||
| }); | ||
| // check if every partition has satisfied at least one of case A or B | ||
| return deleteRecordsStatus.values().stream().noneMatch(DeleteRecordsPartitionStatus::acksPending) && forceComplete(); | ||
| } | ||
|
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||
| @Override | ||
| public void onExpiration() { | ||
| deleteRecordsStatus.forEach((topicPartition, status) -> { | ||
|
There was a problem hiding this comment. AGGREGATE_EXPIRATION_METER.mark(deleteRecordsStatus.values().stream().filter(DeleteRecordsPartitionStatus::acksPending).count()); |
||
| if (status.acksPending()) { | ||
| AGGREGATE_EXPIRATION_METER.mark(); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| /** | ||
| * Upon completion, return the current response status along with the error code per partition | ||
| */ | ||
| @Override | ||
| public void onComplete() { | ||
| responseCallback.accept(deleteRecordsStatus.entrySet().stream() | ||
| .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue().responseStatus()))); | ||
| } | ||
| } | ||
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Should this be
com.yammer.metrics.core?