mimaison commented on code in PR #19285: URL: https://github.com/apache/kafka/pull/19285#discussion_r2021190137
########## storage/src/main/java/org/apache/kafka/server/purgatory/DelayedRemoteListOffsets.java: ########## @@ -0,0 +1,198 @@ +/* + * 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; + +import org.apache.kafka.common.TopicPartition; +import org.apache.kafka.common.errors.ApiException; +import org.apache.kafka.common.message.ListOffsetsResponseData; +import org.apache.kafka.common.protocol.Errors; +import org.apache.kafka.common.record.FileRecords; +import org.apache.kafka.common.requests.ListOffsetsResponse; +import org.apache.kafka.server.metrics.KafkaMetricsGroup; +import org.apache.kafka.storage.internals.log.OffsetResultHolder; + +import com.yammer.metrics.core.Meter; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ExecutionException; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicBoolean; +import java.util.function.Consumer; + +public class DelayedRemoteListOffsets extends DelayedOperation { + + private static final Logger LOG = LoggerFactory.getLogger(DelayedRemoteListOffsets.class); + + private final KafkaMetricsGroup metricsGroup = new KafkaMetricsGroup("kafka.server", "DelayedRemoteListOffsetsMetrics"); + final Meter aggregateExpirationMeter = metricsGroup.newMeter("ExpiresPerSec", "requests", TimeUnit.SECONDS); + final Map<TopicPartition, Meter> partitionExpirationMeters = new ConcurrentHashMap<>(); Review Comment: Looking at it again, I think making this collection a class member may change the behavior of the metrics. So I'll make it static to ensure we don't break anything. What's interesting is that there isn't any logic removing entries from this collection! I think entries should be cleared if a topic is deleted. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
