brandboat commented on code in PR #19762: URL: https://github.com/apache/kafka/pull/19762#discussion_r2114281965
########## raft/src/main/java/org/apache/kafka/raft/KafkaRaftLog.java: ########## @@ -0,0 +1,843 @@ +/* + * 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.raft; + +import org.apache.kafka.common.KafkaException; +import org.apache.kafka.common.TopicPartition; +import org.apache.kafka.common.Uuid; +import org.apache.kafka.common.config.TopicConfig; +import org.apache.kafka.common.errors.CorruptRecordException; +import org.apache.kafka.common.errors.InvalidConfigurationException; +import org.apache.kafka.common.record.MemoryRecords; +import org.apache.kafka.common.record.Records; +import org.apache.kafka.common.utils.LogContext; +import org.apache.kafka.common.utils.Time; +import org.apache.kafka.common.utils.Utils; +import org.apache.kafka.server.common.OffsetAndEpoch; +import org.apache.kafka.server.config.ServerLogConfigs; +import org.apache.kafka.server.storage.log.FetchIsolation; +import org.apache.kafka.server.util.Scheduler; +import org.apache.kafka.snapshot.FileRawSnapshotReader; +import org.apache.kafka.snapshot.FileRawSnapshotWriter; +import org.apache.kafka.snapshot.NotifyingRawSnapshotWriter; +import org.apache.kafka.snapshot.RawSnapshotReader; +import org.apache.kafka.snapshot.RawSnapshotWriter; +import org.apache.kafka.snapshot.SnapshotPath; +import org.apache.kafka.snapshot.Snapshots; +import org.apache.kafka.storage.internals.log.AppendOrigin; +import org.apache.kafka.storage.internals.log.FetchDataInfo; +import org.apache.kafka.storage.internals.log.LogConfig; +import org.apache.kafka.storage.internals.log.LogDirFailureChannel; +import org.apache.kafka.storage.internals.log.LogStartOffsetIncrementReason; +import org.apache.kafka.storage.internals.log.ProducerStateManagerConfig; +import org.apache.kafka.storage.internals.log.UnifiedLog; +import org.apache.kafka.storage.log.metrics.BrokerTopicStats; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.File; +import java.io.IOException; +import java.io.UncheckedIOException; +import java.nio.file.DirectoryStream; +import java.nio.file.Files; +import java.nio.file.Path; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.NoSuchElementException; +import java.util.Optional; +import java.util.Properties; +import java.util.TreeMap; +import java.util.concurrent.atomic.AtomicLong; +import java.util.function.Function; + +public class KafkaRaftLog implements ReplicatedLog { + + private static final Logger LOG = LoggerFactory.getLogger(KafkaRaftLog.class); + + private final Logger logger; + private final UnifiedLog log; + private final Time time; + private final Scheduler scheduler; + // Access to this object needs to be synchronized because it is used by the snapshotting thread to notify the + // polling thread when snapshots are created. This object is also used to store any opened snapshot reader. + private final TreeMap<OffsetAndEpoch, Optional<FileRawSnapshotReader>> snapshots; + private final TopicPartition topicPartition; + private final MetadataLogConfig config; + private final String logIdent; + + public static KafkaRaftLog createLog( + TopicPartition topicPartition, + Uuid topicId, + File dataDir, + Time time, + Scheduler scheduler, + MetadataLogConfig config, + int nodeId) throws IOException { + Properties props = new Properties(); + props.setProperty(TopicConfig.MAX_MESSAGE_BYTES_CONFIG, String.valueOf(config.maxBatchSizeInBytes())); + props.setProperty(TopicConfig.SEGMENT_BYTES_CONFIG, String.valueOf(config.logSegmentBytes())); Review Comment: Just a reminder — we recently introduced some changes in KafkaMetadataLog (see https://github.com/apache/kafka/commit/bcda92b5b9a7b120dd53f924bb9b336e7803f12a#diff-b332f85b04775c821226b6f704e91d51f9647f29ba73dace65b99cf36f6b9cea) -- 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
